Type Record · As of May 3, 2026
PIPER PA-11S
Fixed Wing Single Engine · CONT MOTOR C90 SERIES
Registered
4
Year Range
1947–1949
NTSB Events
3
Airworthiness Directives
11
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered PIPER PA-11S aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- ME 25.0% 1
- WA 25.0% 1
- ND 25.0% 1
- MA 25.0% 1
By Decade of Manufacture
- 1940s 75.0% 3
- Unknown 25.0% 1
02 / NTSB Records
Events involving PIPER PA-11S aircraft
3 event(s) on file. Showing the most recent 3.
-
Mar 1, 2014
N5556HMarlboro, Massachusetts
NTSB Docket → -
Jul 16, 2002
N4504MPALERMO, Maine
NTSB Docket → -
Jul 20, 1991
N4504MEAGLE LAKE, Maine Minor
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to PIPER PA-11S
11 directive(s) on file. Showing the most recent 11.
-
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…
-
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…
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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…
-
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…
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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-11S
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A-691 Historical Rev 31 · 11/01/1977
Piper Aircraft Corporation
Models: J3C-40, PA-11, J3C-65S, PA-11S + 3 more
06 / Supplemental Type Certificates
Modifications approved for PIPER PA-11S
143 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.
-
05/27/2025
STC SA00081NY
Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.
Alcor LLC
-
03/01/2025
STC SA7965SW
Application of fabric and polyurethane finishing system.
Shady Aviation LLC
-
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
-
09/10/2024
STC SA1496GL
Installation of a 12-gallon fuel tank and fuel system in the left wing or left and right wings.
Crown MN Aviation, LLC
-
09/10/2024
STC SA00715CH
Installation of Air Energy Service P/N J-3-212 ball type, sight fuel tank quantity gauge on the side of an AESI P/N AESI-125 12-gallon wing tank.
Crown MN Aviation LLC
-
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
-
06/20/2024
STC SA01343WI
Installation of B&C Specialty Products BC400 alternator
B & C Specialty Products Inc.
-
05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
-
03/19/2024
STC SA02582AK
Installation of Airframes Alaska Brake Pedal and Master Cylinder Assembly
Airframes Alaska LLC
-
12/21/2023
STC SA02579AK
Installation of Swing bar
Willow Mountain Ranch
-
08/16/2023
STC SA02576AK
Installation of Cleveland and ABI, LLC Wheel and Brake Kits
ABI LLC
-
07/07/2023
STC SA02233AK
Installation of high visibility fuel sight gauge.
Dakota Cub Aircraft Inc.
-
06/23/2023
STC SA02233AK
Installation of high visibility fuel sight gauge.
Dakota Cub Aircraft Inc.
-
03/31/2023
STC SA02765SE
Installation of Acme Stinger tailwheel landing gear shock absorber
Hood Tech Corp. Aero Inc.
-
03/29/2023
STC SA02764SE
Installation of Acme Aero Shock landing gear shock absorbers
Hood Tech Corp. Aero Inc.
-
03/29/2023
STC SA02765SE
Installation of Acme Stinger tailwheel landing gear shock absorber
Hood Tech Corp. Aero Inc.
-
12/28/2022
STC SA02987CH
Installation of the Electroair Electronic Ignition System
Electroair Acquisition Corporation
-
09/09/2022
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
-
09/09/2022
STC SA4503NM (PAGE 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
-
09/01/2022
STC SA01967WI (2 OF3)
Use of GAMI G100UL High Octane Unleaded Avgas
General Aviation Modifications Inc.
-
05/25/2022
STC SA36CH
Installation of Baumann Model 1420 floats.
Baumann Floats LLC
-
05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
-
03/18/2022
STC SA02214AK
Installation of Alpha Omega Suspension System in place of original bungees or bungees and hydasorbs.
Burl's Aircraft Rebuild LLC
-
09/16/2021
STC SA02553AK
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener
Keller Engineering Group LLC
-
09/16/2021
STC ST02291AK-A
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener
Keller Engineering Group LLC
-
06/28/2021
STC SA220SO
Tow bar, release mechanism, and safety tow link.
Fliegen Works Inc. \n d/b/a Pacific Aerial Tow Hooks
+ 113 more STCs on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for PIPER PA-11S
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 4 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.
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 →