Type Record · As of May 3, 2026
PIPER PA-18-135
Fixed Wing Single Engine · LYCOMING 0-320 SERIES
Registered
218
Year Range
1947–1957
NTSB Events
119
Airworthiness Directives
26
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered PIPER PA-18-135 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- AK 27.3% 59
- MT 7.9% 17
- WA 6.5% 14
- TX 5.1% 11
- MN 3.7% 8
- NY 3.7% 8
- SD 3.7% 8
- MI 2.8% 6
- CO 2.8% 6
- WI 2.8% 6
+30 more states
By Decade of Manufacture
- 1940s 0.5% 1
- 1950s 77.5% 169
- Unknown 22.0% 48
02 / NTSB Records
Events involving PIPER PA-18-135 aircraft
119 event(s) on file. Showing the most recent 25 · 94 more available on NTSB CAROL.
-
Jul 10, 2025
N27293Palmer, Alaska
NTSB Docket → -
Jun 28, 2025
N55PTChenega, Alaska
NTSB Docket → -
Sep 3, 2023
N7199KCompton, California Minor
NTSB Docket → -
Aug 29, 2022
N1129Palmer, Alaska
NTSB Docket → -
Jul 1, 2022
N1136Walker, Minnesota
NTSB Docket → -
Aug 30, 2019
N1124Fairbanks, Alaska
NTSB Docket → -
Jan 3, 2019
N89018Longmont, Colorado
NTSB Docket → -
Oct 14, 2018
N6690DCherry Ridge, Pennsylvania
NTSB Docket → -
Jul 8, 2017
N99031Big Timber, Montana Serious
NTSB Docket → -
May 11, 2017
N1258CSeward, Alaska Serious
NTSB Docket → -
May 21, 2016
N1258CSeward, Alaska
NTSB Docket → -
Jan 1, 2016
N2684ANewman Lake, Washington
NTSB Docket → -
Jul 20, 2015
N8761CDillingham, Alaska
NTSB Docket → -
Jul 2, 2015
N8086CTwin Falls, Idaho Minor
NTSB Docket → -
Sep 13, 2014
N959ESusitna, Alaska
NTSB Docket → -
Sep 4, 2014
N2158AFairbanks, Alaska
NTSB Docket → -
Sep 3, 2014
N8775CHomer, Alaska
NTSB Docket → -
Jun 18, 2014
N27293Beluga, Alaska
NTSB Docket → -
Apr 13, 2014
N2875DAguas Buenas, Puerto Rico
NTSB Docket → -
Apr 12, 2014
N1394YKent, Oregon Serious
NTSB Docket → -
Oct 9, 2013
N54LPVenice, LA Fatal
NTSB Docket → -
Jul 27, 2013
N1467CFairbanks, Alaska
NTSB Docket → -
Jul 27, 2013
N37JRQuilcene, Washington Serious
NTSB Docket → -
Jan 2, 2012
N9952QDel Norte, Colorado
NTSB Docket → -
Aug 12, 2011
N1258CColdfoot, Alaska Minor
NTSB Docket →
02b / NASA ASRS Reports
Near-miss reports involving PIPER PA-18-135
NASA's voluntary, confidential reporting system surfaces what almost went wrong. 1 de-identified ASRS report references this airframe. Pilot-written narrative. ASRS reports are voluntary and not investigated — they represent the reporter's perspective and cannot infer prevalence.
03 / Airworthiness Directives
FAA directives applicable to PIPER PA-18-135
26 directive(s) on file. Showing the most recent 25 · 1 more in the Federal Register.
-
Feb 13, 2025
Airworthiness Directives; FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. (Piper) airplanes. This AD was prompted by reports of broken rudders. This AD requires replacing any rudder equipped with a rudder post made from a certain carbon s…
-
Oct 6, 2023
Airworthiness Directives; FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. (Piper) airplanes. This proposed AD was prompted by reports of broken rudders. This proposed AD would require replacing any rudder equipped with a rudder post…
-
Aug 17, 2020
Airworthiness Directives; Aspen Avionics, Inc.
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. As pu…
-
Jul 31, 2020
Airworthiness Directives; Aspen Avionics, Inc.
The FAA is adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. This AD imposes operating restrictions on these display sy…
-
Jan 23, 2019
Airworthiness Directives; Aspen Avionics, Inc., Evolution Flight Display Units
We are adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc. (Aspen), Evolution Flight Display (EFD) EFD1000 Primary Flight Display (PFD), EFD1000 Multi-Function Display (MFD), EFD1000 Emergency Backup Display (EBD), and EFD500 MFD units installed on various aircraft. This AD requires disabling…
-
Apr 29, 2015
Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts
We are superseding Airworthiness Directive (AD) 99-01-05 R1, which applied to certain aircraft equipped with wing lift struts. AD 99-01-05 R1 required repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift strut; replac…
-
Dec 31, 2014
Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts
We propose to supersede Airworthiness Directive (AD) 99-01-05 R1, which applies to certain aircraft equipped with wing lift struts. AD 99-01-05 R1 currently requires repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lif…
-
Dec 31, 2013
Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to certain aircraft equipped with wing lift struts. The list of affected airplanes in the Applicability section is incorrect. Several Piper Aircraft, Inc. Model PA-18 airplanes were inadvertently omitted from…
-
Dec 10, 2013
Airworthiness Directives; Various Aircraft Equipped with Wing Lift Struts
We are revising Airworthiness Directive (AD) 99-01-05 for certain aircraft equipped with wing lift struts. AD 99-01-05 required repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift strut; replacing any cracked wing li…
-
Jan 16, 2013
Airworthiness Directives; Various Aircraft Equipped With Wing Lift Struts
We propose to revise an existing airworthiness directive (AD) that applies to certain aircraft equipped with wing lift struts. The existing AD currently requires repetitively inspecting the wing lift struts for corrosion; repetitively inspecting the wing lift strut forks for cracks; replacing any corroded wing lift st…
-
Jul 19, 2012
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for all Piper Aircraft, Inc. (type certificate previously held by The New Piper Aircraft Inc.) Models PA-18 and PA-19 airplanes. This proposed AD was prompted by incidents of inadvertent magneto switch shut off in flight. This proposed AD would require moving all…
-
Feb 7, 2006
Airworthiness Directives; Aero Advantage ADV200 Series (Part Numbers ADV211CC and ADV212CW) Vacuum Pumps
The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Aero Advantage ADV200 series (part numbers ADV211CC and ADV212CW) vacuum pumps installed under supplemental type certificate number SA10126SC, through field approval, or other methods. This AD requires you to remove from service any affe…
-
Jun 7, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual suppl…
-
May 11, 2005
Airworthiness Directives; Aero Advantage ADV200 Series (Part Numbers ADVPL211CC and ADVPL212CW) Vacuum Pumps
The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Aero Advantage ADV200 series (part numbers ADVPL211CC and ADVPL212CW) vacuum pumps installed under supplemental type certificate number SA10126SC, through field approval, or other methods. This proposed AD would require you to…
-
Mar 4, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the air…
-
Jan 19, 2005
Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD a…
-
Oct 7, 2004
Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33…
-
May 21, 2004
Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders
The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may…
-
Dec 30, 2003
Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders
The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, fr…
-
Dec 3, 2001
Airworthiness Directives; GARMIN International GNS 430 Units
This amendment adopts a new airworthiness directive (AD) that applies to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. This AD requires you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. This AD is the result of reports of ina…
-
Aug 6, 2001
Airworthiness Directives; GARMIN International GNS 430 Units
This document proposes to adopt a new airworthiness directive (AD) that would apply to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. The proposed AD would require you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. The proposed…
-
Nov 30, 1999
Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems
This amendment adopts a new airworthiness directive (AD) that applies to all aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. This AD requires incorporating revised operating limit…
-
Jul 7, 1999
Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems
This document proposes to adopt a new airworthiness directive (AD) that would apply to all U.S. owners and operators of aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. The propose…
-
Dec 31, 1998
Airworthiness Directives; All Airplane Models of The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) That Are Equipped with Wing Lift Struts
This amendment supersedes Airworthiness Directive (AD) 93-10- 06, which currently requires repetitively inspecting the wing lift struts and wing lift strut forks for cracks or corrosion on all airplane models of The New Piper Aircraft, Inc. (Piper) that are equipped with wing lift struts, and replacing any strut or fo…
-
Apr 23, 1998
Airworthiness Directives; All Models of The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) Airplanes Equipped With Wing Lift Struts
This document proposes to supersede Airworthiness Directive (AD) 93-10-06, which currently applies to all models of The New Piper Aircraft, Inc. (Piper) airplanes equipped with wing lift struts. AD 93- 10-06 requires repetitively inspecting the wing lift struts and wing lift strut forks for cracks or corrosion, and re…
04 / Type Certificate Data Sheets
FAA TCDS for PIPER PA-18-135
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- 1A2 Historical Rev 37 · 09/04/1996
The New Piper Aircraft Inc.
Models: PA-19 (Army L-18C), PA-18AS-135, PA-18AS-150, PA-18A-135 + 15 more
05 / Special Airworthiness Information Bulletins
Advisories applicable to PIPER PA-18-135
7 SAIBs on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.
-
05/09/2013
SAIB CE-13-30
IGNITION SYSTEM Toggle Style Magneto Switches on the Left Side Cabin Adjacent to the Pilot Seat
-
02/06/2013
SAIB CE-13-14
Fuselage Cracking at Aft Tail Post Weld Joint on Piper Model PA-18 (L-21) Airplanes
-
03/24/2005
SAIB CE-03-02R1
SAIB CE-03-02R1 —
-
09/24/2004
SAIB CE-04-91
SAIB CE-04-91 —
-
06/08/2001
SAIB CE-01-27
SAIB CE-01-27 —
-
04/11/2001
SAIB CE-01-21
SAIB CE-01-21 —
-
08/07/1996
SAIB ACE-96-04
SAIB ACE-96-04 —
06 / Supplemental Type Certificates
Modifications approved for PIPER PA-18-135
574 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
12/09/2025
STC SA01005DE
Installation of a EarthX ETX900-TSO Lithium battery
EarthX Inc.
-
07/30/2025
STC SA01704LA
Installation of the Grove Disk Brake System
Grove Aircraft Landing Gear Systems Inc.
-
06/10/2025
STC SA02211AK
Installation of components to change thrust line orientation
Steve Pierce
-
05/28/2025
STC SA11840BO
Installation of T3 Tailwheel Suspension Systems suspension
T3 Tailwheel Suspension Systems
-
05/27/2025
STC SA00081NY
Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.
Alcor LLC
-
05/20/2025
STC SA02200AK
Fabrication of replacement engine exhaust system assembly (P/N PA18ESA).
Power Flow Systems Inc.
-
05/01/2025
STC SA01005DE
Installation of a EarthX ETX900-TSO Lithium battery
EarthX Inc.
-
04/02/2025
STC SA02211AK
Installation of components to change thrust line orientation
Mark Englerth
-
04/01/2025
STC SA04046CH PAGE 2
Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)
Acron Aviation Inc.
-
04/01/2025
STC SA02738CH (PAGE 2)
Installation of L-3 Communications Avionics Systems
Acron Aviation Inc.
-
03/19/2025
STC SA575WE
Belly master spray system.
Texas Transland LLC
-
03/19/2025
STC SA4-1430
125-gallon hopper and small swathmaster.
Texas Transland LLC
-
03/12/2025
STC SA388EA
Installation of engine and propeller
Steve Pierce
-
03/01/2025
STC SA7965SW
Application of fabric and polyurethane finishing system.
Shady Aviation LLC
-
12/17/2024
STC SA11854CH
Installation of modified exhaust system in lieu of original components
Dakota Cub Aircraft Inc.
-
11/22/2024
STC SA04378CH
Installation of an engine modified per STC SE04349CH
SureFly Partners Ltd.
-
10/31/2024
STC SA02765SE
Installation of Acme Stinger tailwheel landing gear shock absorber
Acme Suspensions LLC
-
10/31/2024
STC SA02764SE
Installation of Acme Aero Shock landing gear shock absorbers
Acme Suspensions LLC
-
10/23/2024
STC SA39CH
Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System
Wipaire Inc.
-
09/26/2024
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
-
08/27/2024
STC SA04837NY
Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights
AeroLED's Holdings, LLC
-
08/27/2024
STC SA02386AK
Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems
AeroLED's Holding LLC
-
08/19/2024
STC SA03898NY
Installation and maintenance of ORATEX covering and coating material
Aircraft Design & Certification Ltd
-
06/20/2024
STC SA01343WI
Installation of B&C Specialty Products BC400 alternator
B & C Specialty Products Inc.
-
06/18/2024
STC SA04568CH
Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder func…
uAvionix Corporation
-
06/13/2024
STC SA02511SE (2 OF 2)
Installation of replacement fuel quantity indicator sending unit(s)
CiES Inc.
-
06/13/2024
STC SA02511SE (2 OF 3)
Installation of replacement fuel quantity indicator sending unit(s)
CiES Inc.
-
05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
-
05/14/2024
STC SA02580AK
Installation of Airframes Alaska Replacement Suspension
Airframes Alaska LLC
-
03/19/2024
STC SA02582AK
Installation of Airframes Alaska Brake Pedal and Master Cylinder Assembly
Airframes Alaska LLC
+ 544 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for PIPER PA-18-135
60+ parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
AF14467-07#https://drs.faa.gov/browse/excelExternalWindow/118864D5E94BF8DB8625849E005B5EB8.0001##
Baffle assembly
Airframes Inc replaces 14467-07
PMA holder → -
AF14458-05#https://drs.faa.gov/browse/excelExternalWindow/33B63D0F7C7F4D088625849E005B5E9F.0001##
Baffle assembly
Airframes Inc replaces 14458-05
PMA holder → -
AF14452-00#https://drs.faa.gov/browse/excelExternalWindow/56419D3DB68177A98625849E005B5E4B.0001##
Baffle assembly
Airframes Inc replaces 14452-00
PMA holder → -
AF14455-00#https://drs.faa.gov/browse/excelExternalWindow/2EC29135B68841708625849E005B5E61.0001##
Baffle assembly
Airframes Inc replaces 14455-00
PMA holder → -
AF14456-00#https://drs.faa.gov/browse/excelExternalWindow/87BABE22F331EC758625849E005B5E75.0001##
Baffle assembly
Airframes Inc replaces 14456-00
PMA holder → -
AF14457-00#https://drs.faa.gov/browse/excelExternalWindow/D3A943F4EC5D17308625849E005B5E88.0001##
Baffle assembly
Airframes Inc replaces 14457-00
PMA holder → -
AF10175-00#https://drs.faa.gov/browse/excelExternalWindow/08DE5C95BC77D84A8625849E005B5E33.0001##
Baffle assembly
Airframes Inc replaces 10175-00
PMA holder → -
2103#https://drs.faa.gov/browse/excelExternalWindow/B20F0FB3FB4275E386258439006DFBD4.0001##
Extended Baggage Compartment
F Atlee Dodge Aircraft Services LLC replaces Modification Part
PMA holder → -
3343#https://drs.faa.gov/browse/excelExternalWindow/708ED404903777DA8625840B0063C9E7.0001##
Rear Stick Cover
F Atlee Dodge Aircraft Services LLC replaces None
PMA holder → -
3236-30A-HR#https://drs.faa.gov/browse/excelExternalWindow/E8C10BA0FD2AA1558625833E0052AF2A.0001##
Clamp
F Atlee Dodge Aircraft Services LLC replaces 3236-30A-HR
PMA holder → -
3236-30-HR#https://drs.faa.gov/browse/excelExternalWindow/0BF91198089200568625833E0052AF29.0001##
Clamp
F Atlee Dodge Aircraft Services LLC replaces 3236-30-HR
PMA holder → -
3241-16HR#https://drs.faa.gov/browse/excelExternalWindow/F98D55DDE4AD85BD8625833E0052AF26.0001##
Strut
F Atlee Dodge Aircraft Services LLC replaces 13003-00
PMA holder → -
3236-B-HR#https://drs.faa.gov/browse/excelExternalWindow/2C28DAB7CC56B6E08625833E0052AF28.0001##
Bottom Shell Assembly
F Atlee Dodge Aircraft Services LLC replaces 12436-10
PMA holder → -
3236-A-HR#https://drs.faa.gov/browse/excelExternalWindow/B308B72FCA1763DE8625833E0052AF27.0001##
Top Shell Assembly
F Atlee Dodge Aircraft Services LLC replaces 12438-10
PMA holder → -
3241-HR#https://drs.faa.gov/browse/excelExternalWindow/6A42C722C802A65C8625833E0052AF23.0001##
Muffler Assembly
F Atlee Dodge Aircraft Services LLC replaces 12433-14
PMA holder → -
3241-15HR#https://drs.faa.gov/browse/excelExternalWindow/5FF995AA8F3A702C8625833E0052AF25.0001##
Strap
F Atlee Dodge Aircraft Services LLC replaces 10466-33
PMA holder → -
AF10033X5R#https://drs.faa.gov/browse/excelExternalWindow/805F4919D630209C862582F30049FE2C.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X4L#https://drs.faa.gov/browse/excelExternalWindow/3A3E05F84A8BCC9C862582F30049FE05.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X35L#https://drs.faa.gov/browse/excelExternalWindow/7B2A9EC04C367E34862582F30049FDE9.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X34L#https://drs.faa.gov/browse/excelExternalWindow/88ACCC2B191ADA76862582F30049FDC3.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X35R#https://drs.faa.gov/browse/excelExternalWindow/DF51E6F53E72E229862582F30049FDDE.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X5L#https://drs.faa.gov/browse/excelExternalWindow/A23E23B55C87AE4A862582F30049FE21.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X34R#https://drs.faa.gov/browse/excelExternalWindow/7C625B280C81A3D4862582F30049FDD3.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
AF10033X4R#https://drs.faa.gov/browse/excelExternalWindow/567625F5A21E0ACF862582F30049FE11.0001##
Landing Gear Assembly
Airframes Alaska replaces Modification Part
PMA holder → -
3415#https://drs.faa.gov/browse/excelExternalWindow/779A521EB7472C1386257953005E1950.0001##
Tow Hook Installation
K&L Soaring LLC replaces 3415
PMA holder → -
3415#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122287308420221007131558.0001##
Tow Hook Installation
K&L Soaring LLC replaces 3415
PMA holder → -
LTC18-2B-1#https://drs.faa.gov/browse/excelExternalWindow/FB67CF2D6F4057F4862582A6006DF379.0001##
Doubler
Airglas Inc replaces Modification Part
PMA holder → -
SSDRC-3/4#https://drs.faa.gov/browse/excelExternalWindow/90228F87AD544428862582A6006DF384.0001##
D Ring
Airglas Inc replaces Modification Part
PMA holder → -
MS90727-16MOD#https://drs.faa.gov/browse/excelExternalWindow/87922AB07186F841862582A6006DF376.0001##
Bolt
Airglas Inc replaces Modification Part
PMA holder → -
LC18XL-4#https://drs.faa.gov/browse/excelExternalWindow/82E80F510C794D3A862582A6006DF36E.0001##
Strap Assy. Center Rear
Airglas Inc replaces Modification Part
PMA holder → -
LTC18-6#https://drs.faa.gov/browse/excelExternalWindow/E7C0347145F40EA6862582A6006DF372.0001##
Strap Assy.
Airglas Inc replaces Modification Part
PMA holder → -
LTC18-2B-2#https://drs.faa.gov/browse/excelExternalWindow/11BF89529797054C862582A6006DF378.0001##
Strap Assy.
Airglas Inc replaces Modification Part
PMA holder → -
LC18XL-3#https://drs.faa.gov/browse/excelExternalWindow/F08E4CEA0A5DC8E8862582A6006DF36B.0001##
Strap Assy. Center Front
Airglas Inc replaces Modification Part
PMA holder → -
LC18XL-2#https://drs.faa.gov/browse/excelExternalWindow/8F527390FE114D7E862582A6006DF369.0001##
Side Door
Airglas Inc replaces Modification Part
PMA holder → -
LC18XL-1#https://drs.faa.gov/browse/excelExternalWindow/1A82F0C8BD2940C3862582A6006DF368.0001##
Cargo Pod Molding
Airglas Inc replaces Modification Part
PMA holder → -
LTC18-8#https://drs.faa.gov/browse/excelExternalWindow/01BA0F57B02187F9862582A6006DF375.0001##
Clamp
Airglas Inc replaces Modification Part
PMA holder → -
LC18XL#https://drs.faa.gov/browse/excelExternalWindow/3E07DDC00D4B9702862582A6006DF365.0001##
Cargo Pod Kit
Airglas Inc replaces Modification Part
PMA holder → -
LTC18-5#https://drs.faa.gov/browse/excelExternalWindow/B96A4213085E0000862582A6006DF370.0001##
Strap Assy.
Airglas Inc replaces Modification Part
PMA holder → -
LC18-XL-2B#https://drs.faa.gov/browse/excelExternalWindow/BA53D976E3A04478862582A6006DF36A.0001##
Rear Door
Airglas Inc replaces Modification Part
PMA holder → -
B-00289-2#https://drs.faa.gov/browse/excelExternalWindow/1EFA38693473D1AF86257AB6007481D9.0001##
Relay, Over-Voltage, 14V
Lamar Technologies LLC replaces B-00289-2, 484-183
PMA holder →
+ 20 more PMA parts on file
09 / Equivalent Level of Safety findings
ELOS findings issued for PIPER PA-18-135
1 ELOS finding on file. The FAA issues an ELOS when an applicant proposes an alternative means that achieves the same safety outcome as a literal regulation — a standing record of which certification deviations the agency has approved for this model series.
-
ST02037AK-A-G-1
05/18/2017 →INFORMATION: Equivalent Level of Safety (ELOS) Finding for Piper Aircraft, Inc., Model PA-18-150 Airplane, Use of 14 CFR part 23 at amendment 23-64 Prior to Effective Date, Project ST02037AK-A
§ 23.2400
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for PIPER PA-18-135
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 218 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1012A | NC | 1950 | · | Look up ↗ |
| N10404 | LA | — | · | Look up ↗ |
| N1043K | OK | 1954 | · | Look up ↗ |
| N1047V | MI | 1954 | · | Look up ↗ |
| N1078A | WA | 1957 | · | Look up ↗ |
| N1113C | PA | 1953 | · | Look up ↗ |
| N1117C | TX | 1953 | ● | Look up ↗ |
| N111DB | MT | 1953 | · | Look up ↗ |
| N1124 | AK | 1955 | ● | Look up ↗ |
| N1129 | AK | 1954 | ● | Look up ↗ |
| N1130 | TX | 1954 | · | Look up ↗ |
| N1133 | UT | 1954 | ● | Look up ↗ |
| N1136 | AK | — | ● | Look up ↗ |
| N1161A | AK | — | · | Look up ↗ |
| N1181Y | AK | 1952 | ● | Look up ↗ |
| N1184C | MA | 1953 | ● | Look up ↗ |
| N118SM | MS | — | · | Look up ↗ |
| N1197C | MT | 1953 | ● | Look up ↗ |
| N1198 | GA | 1953 | · | Look up ↗ |
| N120KH | AK | — | · | Look up ↗ |
| N1246 | MN | 1954 | · | Look up ↗ |
| N1258C | AK | 1953 | ● | Look up ↗ |
| N135KS | IL | 1956 | · | Look up ↗ |
| N135WM | AK | 1954 | · | Look up ↗ |
| N1365C | MT | 1953 | · | Look up ↗ |
| N1366C | AK | 1953 | · | Look up ↗ |
| N1367C | MT | 1953 | ● | Look up ↗ |
| N1387G | AK | — | · | Look up ↗ |
| N1394R | MS | 1952 | · | Look up ↗ |
| N1394Y | WA | 1953 | ● | Look up ↗ |
| N1458C | AK | 1953 | · | Look up ↗ |
| N145C | MI | 1954 | · | Look up ↗ |
| N1466C | NY | — | · | Look up ↗ |
| N1467C | AK | 1953 | ● | Look up ↗ |
| N1476C | AK | 1953 | ● | Look up ↗ |
| N1554P | MT | 1954 | ● | Look up ↗ |
| N15558 | TX | — | ● | Look up ↗ |
| N1557P | AK | 1954 | · | Look up ↗ |
| N1559P | ME | 1954 | ● | Look up ↗ |
| N1565P | AK | 1954 | · | Look up ↗ |
| N1580P | CA | — | · | Look up ↗ |
| N1590P | AK | 1954 | ● | Look up ↗ |
| N1592P | GA | 1954 | · | Look up ↗ |
| N1596P | OK | — | · | Look up ↗ |
| N1597P | AK | 1954 | · | Look up ↗ |
| N1651P | IA | 1954 | · | Look up ↗ |
| N1857P | SD | 1955 | · | Look up ↗ |
| N18SN | NY | 1955 | · | Look up ↗ |
| N18YH | ID | — | · | Look up ↗ |
| N1953M | OK | — | · | Look up ↗ |
| N1991A | OR | 1952 | ● | Look up ↗ |
| N1994A | AK | 1952 | · | Look up ↗ |
| N20821 | MI | 1954 | · | Look up ↗ |
| N2102V | MT | 1954 | · | Look up ↗ |
| N2139A | CO | 1952 | · | Look up ↗ |
| N2150A | NJ | 1956 | ● | Look up ↗ |
| N2151A | ME | — | · | Look up ↗ |
| N2158A | AK | 1953 | ● | Look up ↗ |
| N219PS | WY | 1954 | · | Look up ↗ |
| N21N | NY | 1953 | · | Look up ↗ |
| N2205A | SD | 1952 | ● | Look up ↗ |
| N2207A | WA | 1951 | ● | Look up ↗ |
| N2227C | TX | 1954 | ● | Look up ↗ |
| N2265A | AK | 1952 | ● | Look up ↗ |
| N22KY | CO | — | · | Look up ↗ |
| N2325A | WA | — | · | Look up ↗ |
| N2366A | WI | 1952 | · | Look up ↗ |
| N2367A | MT | — | · | Look up ↗ |
| N2368A | IA | 1952 | ● | Look up ↗ |
| N2444A | AK | 1952 | ● | Look up ↗ |
| N2445A | AK | 1952 | · | Look up ↗ |
| N2461A | MN | 1952 | ● | Look up ↗ |
| N246LD | AK | 1952 | · | Look up ↗ |
| N2474Z | AK | 1954 | ● | Look up ↗ |
| N2487A | NE | 1952 | · | Look up ↗ |
| N2489A | WY | — | · | Look up ↗ |
| N2491A | MT | 1952 | ● | Look up ↗ |
| N2494A | TN | 1952 | ● | Look up ↗ |
| N2510A | AK | 1952 | · | Look up ↗ |
| N2514A | MN | 1953 | · | Look up ↗ |
| N2516A | MI | 1953 | · | Look up ↗ |
| N2581A | WI | 1952 | ● | Look up ↗ |
| N2585A | ND | — | ● | Look up ↗ |
| N267CM | — | 1954 | · | Look up ↗ |
| N2681A | AK | — | · | Look up ↗ |
| N2683A | AK | 1953 | ● | Look up ↗ |
| N2684A | WA | 1952 | ● | Look up ↗ |
| N2688A | ID | 1953 | · | Look up ↗ |
| N27036 | AK | — | ● | Look up ↗ |
| N270WC | AK | 1954 | · | Look up ↗ |
| N27293 | AK | 1954 | ● | Look up ↗ |
| N27347 | NY | 1954 | · | Look up ↗ |
| N2875D | PR | 1952 | ● | Look up ↗ |
| N30GW | SD | 1954 | · | Look up ↗ |
| N311K | CT | 1954 | · | Look up ↗ |
| N3128X | TX | — | ● | Look up ↗ |
| N318EA | WI | — | ● | Look up ↗ |
| N3257B | FL | 1954 | ● | Look up ↗ |
| N3299B | NE | 1954 | · | Look up ↗ |
| N3353A | WY | 1953 | ● | Look up ↗ |
| N3371B | AK | 1954 | · | Look up ↗ |
| N337EF | OK | — | · | Look up ↗ |
| N3592A | WA | 1953 | · | Look up ↗ |
| N3597A | MI | — | ● | Look up ↗ |
| N3685A | WA | 1953 | · | Look up ↗ |
| N3688A | MT | 1953 | ● | Look up ↗ |
| N3689A | MT | 1953 | · | Look up ↗ |
| N3695A | WA | 1954 | ● | Look up ↗ |
| N3698A | CO | 1953 | · | Look up ↗ |
| N3796A | OR | 1953 | · | Look up ↗ |
| N37JR | WA | 1955 | ● | Look up ↗ |
| N4666M | MN | 1947 | · | Look up ↗ |
| N46764 | DE | 1954 | · | Look up ↗ |
| N46775 | ME | 1954 | · | Look up ↗ |
| N46798 | MN | 1954 | · | Look up ↗ |
| N4988H | NY | — | ● | Look up ↗ |
| N49JK | AK | 1954 | · | Look up ↗ |
| N518GM | WA | 1953 | ● | Look up ↗ |
| N5238N | AK | 1955 | ● | Look up ↗ |
| N53RN | MI | 1953 | · | Look up ↗ |
| N53SJ | MN | 1953 | · | Look up ↗ |
| N5493H | CO | — | ● | Look up ↗ |
| N54LP | GA | 1954 | ● | Look up ↗ |
| N54YE | MO | 1954 | · | Look up ↗ |
| N5589J | MS | 1954 | ● | Look up ↗ |
| N55PT | AK | 1953 | ● | Look up ↗ |
| N64674 | KY | 1953 | · | Look up ↗ |
| N64679 | OH | 1954 | · | Look up ↗ |
| N6509C | OR | — | ● | Look up ↗ |
| N6690D | PA | 1954 | ● | Look up ↗ |
| N669AK | — | 1954 | · | Look up ↗ |
| N6942K | WA | 1953 | ● | Look up ↗ |
| N696RJ | WA | 1953 | · | Look up ↗ |
| N7199K | AK | 1950 | ● | Look up ↗ |
| N72573 | PA | 1954 | · | Look up ↗ |
| N7518K | NY | 1950 | ● | Look up ↗ |
| N757JV | NH | — | · | Look up ↗ |
| N7597K | SD | 1950 | ● | Look up ↗ |
| N759AK | AK | 1956 | · | Look up ↗ |
| N7610H | WI | — | · | Look up ↗ |
| N777HU | DE | — | · | Look up ↗ |
| N787SG | CA | 1953 | · | Look up ↗ |
| N8051C | ND | — | ● | Look up ↗ |
| N8056C | AK | 1954 | · | Look up ↗ |
| N8076C | AK | 1954 | ● | Look up ↗ |
| N8077C | FL | 1954 | · | Look up ↗ |
| N807EJ | DE | — | · | Look up ↗ |
| N8082C | SD | 1954 | ● | Look up ↗ |
| N8086C | ID | 1954 | ● | Look up ↗ |
| N8088C | ID | 1954 | · | Look up ↗ |
| N8143E | MO | — | ● | Look up ↗ |
| N8168C | MT | 1954 | · | Look up ↗ |
| N8180C | MT | 1954 | · | Look up ↗ |
| N8214C | TX | 1954 | · | Look up ↗ |
| N8226C | AK | 1954 | · | Look up ↗ |
| N8250C | AK | — | · | Look up ↗ |
| N8252C | MT | 1954 | ● | Look up ↗ |
| N8550C | MT | 1953 | · | Look up ↗ |
| N8553C | DE | 1953 | ● | Look up ↗ |
| N8559C | GU | — | ● | Look up ↗ |
| N8569C | CO | 1954 | · | Look up ↗ |
| N8570C | AK | 1953 | ● | Look up ↗ |
| N8574C | FL | 1953 | ● | Look up ↗ |
| N8579C | ND | 1953 | ● | Look up ↗ |
| N85DC | TX | 1954 | · | Look up ↗ |
| N8655C | AK | 1953 | ● | Look up ↗ |
| N8665C | NE | 1953 | · | Look up ↗ |
| N8676C | MT | — | ● | Look up ↗ |
| N8753C | TX | 1953 | ● | Look up ↗ |
| N8758C | AK | 1953 | · | Look up ↗ |
| N8761C | AK | 1953 | ● | Look up ↗ |
| N8775C | AK | 1953 | ● | Look up ↗ |
| N87875 | ND | 1954 | · | Look up ↗ |
| N8789C | SD | 1953 | ● | Look up ↗ |
| N87996 | TX | 1954 | · | Look up ↗ |
| N8854C | MO | 1953 | · | Look up ↗ |
| N8857C | AK | 1953 | · | Look up ↗ |
| N89018 | AK | 1954 | ● | Look up ↗ |
| N8960C | AK | 1954 | ● | Look up ↗ |
| N8965C | AK | 1953 | · | Look up ↗ |
| N9058G | CO | — | ● | Look up ↗ |
| N954PC | TX | — | · | Look up ↗ |
| N959E | AK | 1955 | ● | Look up ↗ |
| N96D | FL | — | · | Look up ↗ |
| N977VM | AK | 1953 | · | Look up ↗ |
| N9829Q | AK | 1954 | · | Look up ↗ |
| N9831Q | MN | — | · | Look up ↗ |
| N9833Q | MN | 1953 | · | Look up ↗ |
| N9835Q | LA | 1954 | · | Look up ↗ |
| N9836Q | AK | — | · | Look up ↗ |
| N9837Q | FL | 1953 | · | Look up ↗ |
| N9838Q | NY | — | · | Look up ↗ |
| N9839Q | SD | 1953 | · | Look up ↗ |
| N9840Q | AK | — | ● | Look up ↗ |
| N9842Q | GA | 1954 | · | Look up ↗ |
| N9843Q | WI | 1954 | ● | Look up ↗ |
| N9845Q | WI | 1954 | ● | Look up ↗ |
| N9846Q | SC | 1954 | · | Look up ↗ |
| N99031 | NV | 1954 | ● | Look up ↗ |
| N99042 | PA | 1955 | · | Look up ↗ |
| N9947Q | AK | 1954 | · | Look up ↗ |
| N9948Q | WA | 1954 | · | Look up ↗ |
| N9950Q | AK | 1955 | ● | Look up ↗ |
| N9952Q | MT | 1954 | ● | Look up ↗ |
| N9954Q | TX | — | · | Look up ↗ |
| N9955Q | AK | 1955 | · | Look up ↗ |
| N9957Q | SD | 1954 | · | Look up ↗ |
| N9962Q | WA | 1955 | · | Look up ↗ |
| N9963Q | AK | — | ● | Look up ↗ |
| N9964Q | NY | — | ● | Look up ↗ |
| N9965Q | NV | 1955 | ● | Look up ↗ |
| N9966Q | CA | 1955 | · | Look up ↗ |
| N9967Q | ID | 1954 | ● | Look up ↗ |
| N9968Q | MT | — | · | Look up ↗ |
| N9971Q | AK | 1954 | · | Look up ↗ |
| N9974Q | NC | 1953 | · | Look up ↗ |
| N9976Q | IL | 1954 | · | Look up ↗ |
| N9977Q | NV | — | ● | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →