Type Record · As of May 3, 2026
NORTH AMERICAN AT-6C(SNJ-4)
Fixed Wing Single Engine · P&W R1340 SERIES
Registered
3
Year Range
1942–1956
NTSB Events
1
Airworthiness Directives
3
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered NORTH AMERICAN AT-6C(SNJ-4) aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- NV 33.3% 1
- FL 33.3% 1
- KS 33.3% 1
By Decade of Manufacture
- 1940s 66.7% 2
- 1950s 33.3% 1
02 / NTSB Records
Events involving NORTH AMERICAN AT-6C(SNJ-4) aircraft
1 event(s) on file. Showing the most recent 1.
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Aug 3, 1985
N4434NPORT ISABEL, Texas
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to NORTH AMERICAN AT-6C(SNJ-4)
3 directive(s) on file. Showing the most recent 3.
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Jul 11, 2005
Airworthiness Directives; Rockwell International (Aircraft Specification No. A-2-575 Previously Held by North American and Recently Purchased by Boeing) Models AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), BC-1A, SNJ-7, and T-6G Airplanes; and Autair Ltd. (Aircraft Specification No. AR-11 Previously Held by Noorduyn Aviation Ltd.) Model Harvard (Army AT-16) Airplanes
This document makes a correction to Airworthiness Directive (AD) 2005-12-51, which was published in the Federal Register on June 21, 2005 (70 FR 35519), and applies to Rockwell International (Aircraft Specification No. A-2-575 previously held by North American and recently purchased by Boeing) Models AT-6 (SNJ-2), AT-…
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Jun 21, 2005
Airworthiness Directives; Rockwell International (Aircraft Specification No. A-2-575 previously held by North American and recently purchased by Boeing) Models AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), BC-1A, SNJ-7, and T-6G Airplanes; and Autair Ltd. (Aircraft Specification No. AR-11 previously held by Noorduyn Aviation Ltd.) Model Harvard (Army AT-16) Airplanes
The FAA is adopting a new airworthiness directive (AD) for Rockwell International (Aircraft Specification No. A-2-575 previously held by North American and recently purchased by Boeing) Models AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), AT-6D (SNJ-5), AT-6F (SNJ-6), BC-1A, SNJ-7, and T-6G airplanes; and Autair…
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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…
04 / Type Certificate Data Sheets
FAA TCDS for NORTH AMERICAN AT-6C(SNJ-4)
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- A-2-575 Historical Rev 16 · 11/16/2009
The Boeing Company
Models: SNJ-7, BC-1A, AT-6B, AT-6 (SNJ-2) + 5 more
06 / Supplemental Type Certificates
Modifications approved for NORTH AMERICAN AT-6C(SNJ-4)
124 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
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04/01/2025
STC SA04046CH Page 1
Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)
Acron Aviation Inc.
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03/01/2025
STC SA7965SW
Application of fabric and polyurethane finishing system.
Shady Aviation LLC
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09/26/2024
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
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05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
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02/02/2024
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc.
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12/12/2023
STC SA02571SE (PAGE 1)
Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).
Garmin International Inc.
-
10/10/2023
STC SA01899WI
Installation of Garmin G3X Touch Electronic Flight Instrument System
Garmin International Inc.
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12/12/2022
STC SA04046CH Page 1
Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)
L3Harris Aviation Products Inc.
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10/12/2022
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
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09/09/2022
STC SA4503NM (PAGE 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
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05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
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03/30/2022
STC SA02444AK (PAGE 1)
Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed
ADS-B Technologies LLC
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02/02/2022
STC SA02571SE (PAGE 1)
Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).
Garmin International Inc
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01/05/2022
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
-
12/29/2021
STC SA01899WI
Installation of Garmin G3X Touch Electronic Flight Instrument System
Garmin International Inc
-
12/20/2021
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
-
09/28/2021
STC SA01818WI
Installation of Garmin G5 Electronic Flight Instrument
Garmin International Inc.
-
07/15/2021
STC SA10822SC
Installation of EFD1000 Primary Flight Display
Aspen Avionics Inc.
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07/15/2021
STC SA10822SC
Installation of EFD1000 Primary Flight Display
Aspen Avionics Inc.
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07/09/2021
STC SA02571SE (PAGE 1)
Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).
Garmin International Inc
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06/14/2021
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
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06/09/2021
STC SA00401BO (PAGE 1)
Installation of a SkyTrax100B UAT receiver
Avidyne Corporation
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11/09/2020
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
-
10/19/2020
STC SA001410BO
Entered in Error - See SA00410BO
uAvionix Corporation
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08/31/2020
STC SA00410BO
Installation of an AV-30-C Multi-Mode Indicator
uAvionix Corporation
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08/31/2020
STC SA001410BO
Installation of an AV-30-C Multi-Mode Indicator
uAvionix Corporation
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02/12/2020
STC SA01899WI
Installation of Garmin G3X Touch Electronic Flight Instrument System
Garmin International Inc
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01/13/2020
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
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09/09/2019
STC SA01714WI (1 OF 2)
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit…
Garmin International Inc
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07/25/2019
STC SA02636SE
Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder.
Garmin International Inc
+ 94 more STCs on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for NORTH AMERICAN AT-6C(SNJ-4)
Advisory Circulars
ACs whose subject explicitly mentions NORTH AMERICAN or AT-6C(SNJ-4).
- AC 00-60B North American Free Trade Agreement and Specialty Air Services Operations ↗
- AC 90-91K North American Route Program ↗
- AC 00-60A North American Free Trade Agreement and Specialty Air Services Operations ↗
- AC 90-91J North American Route Program ↗
- AC 90-91H North American Route Program (NRP) ↗
- AC 90-91G North American Route Program (NRP) ↗
- AC 90-91F North American Route Program (NRP) ↗
- AC 90-91E North American Route Program ↗
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 3 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 →