Type Record · As of May 3, 2026
PIPER J4
Fixed Wing Single Engine · CONT MOTOR A&C65 SERIES
Registered
15
Year Range
1938–1941
NTSB Events
0
Airworthiness Directives
11
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered PIPER J4 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- DE 13.3% 2
- GA 13.3% 2
- OH 13.3% 2
- IL 6.7% 1
- MN 6.7% 1
- AR 6.7% 1
- PA 6.7% 1
- NJ 6.7% 1
- TX 6.7% 1
- AZ 6.7% 1
+2 more states
By Decade of Manufacture
- 1930s 40.0% 6
- 1940s 26.7% 4
- Unknown 33.3% 5
02 / NTSB Records
Events involving PIPER J4 aircraft
No NTSB-recorded events match PIPER J4 in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to PIPER J4
11 directive(s) on file. Showing the most recent 11.
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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 J4
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A-703 Historical Rev 5 · 08/07/2006
Piper Aircraft Inc.
Models: J4A-S, J4, J4A
06 / Supplemental Type Certificates
Modifications approved for PIPER J4
121 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
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
-
08/27/2024
STC SA04837NY
Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights
AeroLED's Holdings, LLC
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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
-
05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
-
12/28/2022
STC SA02987CH
Installation of the Electroair Electronic Ignition System
Electroair Acquisition Corporation
-
12/14/2022
STC SA01233SE
Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly
ABI, LLC
-
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.
-
05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
-
01/28/2022
STC SA03898NY
Installation and maintenance of ORATEX covering and coating material
Aircraft Design & Certification Ltd
-
10/25/2021
STC SA01015SE
Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires
ABI LLC
-
10/25/2021
STC SA01015SE (2 OF 2)
Installation of eligible Alaska Tire and Rubber Company TSO-C62d\nTires as listed in AML SA01015SE
ABI LLC
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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
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06/28/2021
STC SA220SO
Tow bar, release mechanism, and safety tow link.
Fliegen Works Inc. \n d/b/a Pacific Aerial Tow Hooks
-
03/30/2021
STC SA02386AK
Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems
Aero LEDs LLC
-
06/04/2020
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
03/07/2020
STC SA00079NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines …
Airwolf Filter Corporation
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07/11/2019
STC SA02987CH
Installation of the Electroair Electronic Ignition System
Electroair Acquisition Corporation
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07/11/2019
STC SA04032CH
Install rocker switch assemblies
Electroair Acquisition Corporation
-
06/19/2019
STC SA00344BO PAGE 1
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Whelen Aerospace Technologies
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03/01/2018
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
-
12/20/2017
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
12/20/2017
STC SA00079NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines …
Airwolf Filter Corporation
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11/08/2017
STC SA220SO
Tow bar, release mechanism, and safety tow link.
Fliegen Works Inc.
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10/30/2017
STC SA02212AK (PG 1)
Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems
Seaplanes North LLC
+ 91 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for PIPER J4
4 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.
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#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171953517520220706160155.0001##
LoPresti Speed Merchants
PMA holder → -
EA-20000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187485188420220525194028.0001##
Four-Cylinder Ignition Controller
Electroair Acquisition Corporation replaces Modification Part
PMA holder → -
EA-22000T#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164585118720220525194137.0001##
Controller Wire Harness- Twin (14 Pin)
Electroair Acquisition Corporation replaces Modification Part
PMA holder → -
EA-22000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193866519120220525194103.0001##
Controller Wire Harness (14 Pin)
Electroair Acquisition Corporation replaces Modification Part
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for PIPER J4
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 15 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 |
|---|---|---|---|---|
| N109N | IL | 1939 | · | Look up ↗ |
| N1759M | MN | — | · | Look up ↗ |
| N21599 | AR | 1938 | · | Look up ↗ |
| N21845 | DE | — | · | Look up ↗ |
| N22703 | DE | 1938 | · | Look up ↗ |
| N22725 | PA | 1938 | · | Look up ↗ |
| N22778 | NJ | 1939 | · | Look up ↗ |
| N25736 | TX | 1939 | · | Look up ↗ |
| N26751 | AZ | — | · | Look up ↗ |
| N26890 | GA | 1940 | · | Look up ↗ |
| N27807 | OH | 1940 | · | Look up ↗ |
| N30424 | GA | — | · | Look up ↗ |
| N31193 | OH | 1940 | · | Look up ↗ |
| N35880 | NE | 1941 | · | Look up ↗ |
| N79H | NY | — | · | 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 →