Fixed Wing Single Engine · LYCOMING IO-540 SER · as of Sep 21, 2026
Resources Manufacturer · Maule Air ↗ Engine · Lycoming Engines ↗ TCDS A4NM ↗
Distribution · currently registered
By state (top 10)
- TX 9.3% 7
- DE 6.7% 5
- AK 5.3% 4
- WA 4.0% 3
- CO 4.0% 3
- AZ 4.0% 3
- WY 4.0% 3
- NY 4.0% 3
- VA 4.0% 3
- FL 4.0% 3
+25 more states
By decade of manufacture
- 1980s 1.3% 1
- 1990s 29.3% 22
- 2000s 45.3% 34
- 2010s 1.3% 1
- 2020s 1.3% 1
- Unknown 21.3% 16
NTSB records
16 event(s) on file. Showing the most recent 16.
- Oct 12, 2023 N235PR Provo, Utah NTSB docket ↗
- Mar 20, 2023 N79VE Abbeville, South Carolina Serious NTSB docket ↗
- Apr 27, 2019 N4257A Roosevelt, Utah NTSB docket ↗
- Sep 11, 2018 N969AW Floresville, Texas NTSB docket ↗
- Aug 24, 2017 N6447M Klamath Falls, Oregon NTSB docket ↗
- Jan 29, 2016 N66E Macon, Missouri NTSB docket ↗
- Oct 11, 2015 N3180G Mankato, Minnesota NTSB docket ↗
- Sep 30, 2015 N4244L Kemmerer, Wyoming NTSB docket ↗
- Jul 11, 2011 N6YM Tonasket, Washington Minor NTSB docket ↗
- Jul 25, 2006 N15SN Auburn, Washington NTSB docket ↗
- Apr 10, 2005 N1033C Borrego Springs, California NTSB docket ↗
- Jun 25, 2004 N1936P Miles City, Montana NTSB docket ↗
- Nov 4, 2003 N246SV Truth or Conseq, New Mexico NTSB docket ↗
- Jul 31, 2001 N17FR Flagstaff, Arizona NTSB docket ↗
- Apr 26, 2001 N126DP Summer Lake, Oregon NTSB docket ↗
- Jan 19, 2001 N246SV DURANGO, Colorado NTSB docket ↗
Airworthiness directives
16 directive(s) on file. Showing the most recent 16.
- 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…
- Dec 16, 2013
Airworthiness Directives; Maule Aerospace Technology, Inc. Airplanes
We are revising Airworthiness Directive (AD) 98-15-18 that applies to certain Maule Aerospace Technology, Inc. Models M-4, M-5, M- 6, M-7, MT-7, MX-7, MXT-7, and M-8 airplanes that are equipped with rear wing lift struts, part number (P/N) 2079E, and/or front wing lift struts, P/N 2080E. AD 98-15-18 required repetitiv…
- Aug 13, 2013
Airworthiness Directives; Maule Aerospace Technology, Inc. Airplanes
We propose to revise airworthiness directive (AD) 98-15-18 that applies to certain Maule Aerospace Technology, Inc. M-4, M-5, M-6, M-7, MT-7, MX-7, MXT-7, and M-8 airplanes that are equipped with rear wing lift struts, part number (P/N) 2079E, and/or front wing lift struts, P/N 2080E. AD 98-15-18 currently requires re…
- Nov 25, 2008
Airworthiness Directives; Maule Aerospace Technology, Inc. M-4, M-5, M-6, and M-7 Series and Model M-8-235 Airplanes
The FAA adopts a new airworthiness directive (AD) for certain Maule Aerospace Technology, Inc. M-4, M-5, M-6, and M-7 series and Model M-8-235 airplanes. This AD requires you to paint the top of the rear elevator control horn, the elevator control cable end attached to the top of the rear control horn, the bottom of t…
- Aug 19, 2008
Airworthiness Directives; Maule Aerospace Technology, Inc. Models M-4, M-5, M-6, M-7, and M-8 Series Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Maule Aerospace Technology, Inc. Models M-4, M-5, M-6, M-7, and M-8 series airplanes. This proposed AD would require you to paint the top of the rear elevator control horn, the elevator control cable end attached to the top of the rear control horn, th…
- 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…
- 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…
- May 9, 2000
Airworthiness Directives; Maule Aerospace Technology, Inc. M-4, M-5, M-6, M-7, MX-7, and MXT-7 Series Airplanes and Models MT-7-235 and M-8-235 Airplanes
This amendment adopts a new airworthiness directive (AD) that applies to certain Maule Aerospace Technology, Inc. (Maule) M-4, M-5, M-6, M-7, MX-7, and MXT-7 series airplanes and Models MT-7-235 and M-8- 235 airplanes. This AD requires you to inspect all Nicopress<SUP>TM</SUP> sleeve terminal ends for correct size com…
- Jul 21, 1998
Airworthiness Directives; Maule Aerospace Technology Corp. M-4, M-5, M-6, M-7, MX-7, and MXT-7 Series Airplanes and Models MT-7-235 and M-8-235 Airplanes
This amendment supersedes Airworthiness Directive (AD) 95-26- 18, which currently requires inspecting (one-time) certain wing lift struts for internal corrosion on certain Maule Aerospace Technology Corp. (Maule) M-4, M-5, M-6, M-7, MX-7, and MXT-7 series airplanes and Models MT-7-235 and M-8-235 airplanes, and replac…
- Mar 24, 1998
Airworthiness Directives; Maule Aerospace Technology Corp. M-4, M-5, M-6, M-7, MX-7, and MXT-7 Series Airplanes and Models MT-7-235 and M-8-235 Airplanes
This document proposes to supersede Airworthiness Directive (AD) 95-26-18, which currently requires inspecting (one-time) certain wing lift struts for internal corrosion on Maule Aerospace Technology Corp. (Maule) M-4, M-5, M-6, M-7, MX-7, and MXT-7 series airplanes and Models MT-7-235 and M-8-235 airplanes, and repla…
Type certificate data sheets · 1 match in the FAA catalog
- 3A23 Maule Aerospace Technology Inc. Historical Rev 32 · 10/14/2015
Models: M-5-220C, Bee Dee M-4, MX-7-160C, M-7-235B + 47 more
Supplemental type certificates · 434 on file
- 03/03/2026 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 12/09/2025 STC SA01005DE Installation of a EarthX ETX900-TSO Lithium battery EarthX Inc. DRS ↗
- 07/24/2025 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 07/21/2025 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 05/27/2025 STC SA5581SW Installation of ALCOR true-flow/ totalizer system Alcor LLC DRS ↗
- 05/27/2025 STC SA00081NY Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC DRS ↗
- 04/01/2025 STC SA02738CH (PAGE 1) Installation of L-3 Communications Avionics Systems Acron Aviation Inc. DRS ↗
- 04/01/2025 STC SA04046CH Page 1 Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) Acron Aviation Inc. DRS ↗
- 03/01/2025 STC SA7965SW Application of fabric and polyurethane finishing system. Shady Aviation LLC DRS ↗
- 11/22/2024 STC SA04378CH Installation of an engine modified per STC SE04349CH SureFly Partners Ltd. DRS ↗
- 10/23/2024 STC SA39CH Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System Wipaire Inc. DRS ↗
- 09/26/2024 STC SA02594SE SkyView HDX Instrumentation and Autopilot System manufactured Dynon Avionics DRS ↗
- 08/27/2024 STC SA04837NY Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights AeroLED's Holdings, LLC DRS ↗
- 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 DRS ↗
- 08/21/2024 STC SA01757WI To allow the use of UL91 or UL94 (minimum) grade aviation fuel Swift Fuels LLC DRS ↗
- 06/13/2024 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 06/13/2024 STC SA02511SE (1 OF 3) Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 06/13/2024 STC SA02511SE (1 OF 2) Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 05/17/2024 STC SA4503NM (PAGE 1) Remove original cloth covering and install Ceconite covering Ceconite Division of Poly-Fiber Inc. DRS ↗
- 02/02/2024 STC SA02658SE (1 OF 2) Installation of Garmin GI 275 Multi-Function Display System Garmin International Inc. DRS ↗
- 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. DRS ↗
- 08/16/2023 STC SA02576AK Installation of Cleveland and ABI, LLC Wheel and Brake Kits ABI LLC DRS ↗
- 08/10/2023 STC SA02019WI Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine DRS ↗
- 07/19/2023 STC SA04378CH Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat… SureFly Partners Ltd. DRS ↗
- 05/22/2023 STC SA01435LA Installation of engines modified with Firewall Forward Technologies LLC modified camshaft Centri-Lube Technologies LLC DRS ↗
- 04/05/2023 STC SA00756DE Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Se… Peregrine DRS ↗
- 04/04/2023 STC SA11137SC Installation of Plane-Power ALT-FLX alternator Hartzell Engine Technologies, LLC DRS ↗
- 02/09/2023 STC SA01606CH Installation of alternate electro-hydraulic power pack system for operation of main wheel skis. F.Atlee Dodge Aircraft Services DRS ↗
- 01/10/2023 STC SA04378CH Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat… SureFly Partners Ltd DRS ↗
- 12/14/2022 STC SA01233SE Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly ABI, LLC DRS ↗
+ 404 more STCs on file
PMA replacement parts · 12 on file
- STS-S12#https://drs.faa.gov/browse/excelExternalWindow/4D1FADFAD9E0A0618625825900708E24.0001## Solenoid Contactor - Starter Lamar Technologies LLC replaces 70-112225-5
- STS-S12#https://drs.faa.gov/browse/excelExternalWindow/0D1FABEF5B69424C8625825900708E25.0001## Solenoid Contactor - Starter Lamar Technologies LLC replaces SAZ-4201E
- STS-S12#https://drs.faa.gov/browse/excelExternalWindow/E10285D4E616536986257DE9004D1120.0001## Solenoid Contactor - Starter Sky-Tec Partners Ltd replaces 70-112225-5, SAZ-4201E
- STS-S12#https://drs.faa.gov/browse/excelExternalWindow/11BCA512D1C1742786257DCE005E8262.0001## Solenoid Contactor - Starter Sky-Tec Partners Ltd replaces 70-112225-5, SAZ-4201E
- Master Drawing List CFMI 3000-9, Revision D, Dated 04/04/11#https://drs.faa.gov/browse/excelExternalWindow/52205BBF7CA61FE1862578A1004BC98B.0001## Model 3000 Ski Installation Parts Custom Fiberglass Molding Inc replaces Modification Part
- Master Drawing List CFMI 3000-10, Revision F, Dated 04/04/11#https://drs.faa.gov/browse/excelExternalWindow/84D7373B27CC8860862578A1004BC9CB.0001## Model 3000-01 A/B) Ski Installation Parts Custom Fiberglass Molding Inc replaces Modification Part
- ST-892-20/30#https://drs.faa.gov/browse/excelExternalWindow/BEAFA1F8CF2A9204862576DA005926D1.0001## System 20/30 Single and Two Axis Automatic Flight Guidance Systems S-TEC Corporation replaces Modification Part
- ST-890#https://drs.faa.gov/browse/excelExternalWindow/136FB060DEEBC722862576DA005926A5.0001## System 55X Two Axis Automatic Flight Guidance System S-TEC Corporation replaces Modification Part
- ST-872-20/30#https://drs.faa.gov/browse/excelExternalWindow/43A70BE639F25C64862576DA0059258C.0001## System 20/30 Single and Two Axis Automatic Flight Guidance Systems S-TEC Corporation replaces Modification Part
- ST-810-20/30#https://drs.faa.gov/browse/excelExternalWindow/881F7C4E8690721B862576DA00592552.0001## System 20/30 Single and Two Axis Automatic Flight Guidance Systems S-TEC Corporation replaces Modification Part
- 94016-02#https://drs.faa.gov/browse/excelExternalWindow/8FB5FBE2331591928525703D005FB814.0001## Isolator, Vibration Hutchinson Aerospace & Industry Inc replaces 94016-02
- 93110-08#https://drs.faa.gov/browse/excelExternalWindow/6CF24A7BEB10D1EB8525703D005FB87D.0001## Isolator, Engine Hutchinson Aerospace & Industry Inc replaces 93110-08
Equivalent level of safety findings · 1 on file
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 75
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1033C | WA | 1997 | ● | Look up ↗ |
| N103PZ | CO | 2005 | · | Look up ↗ |
| N1044L | AK | 1996 | · | Look up ↗ |
| N1044N | GA | 1996 | · | Look up ↗ |
| N1047Y | AZ | 1997 | · | Look up ↗ |
| N1048X | OH | — | · | Look up ↗ |
| N1051Z | NC | 1998 | · | Look up ↗ |
| N114WM | IN | 2001 | · | Look up ↗ |
| N126CM | WY | 2003 | · | Look up ↗ |
| N126DP | MS | — | ● | Look up ↗ |
| N1275V | CA | — | · | Look up ↗ |
| N15SN | NH | 2001 | ● | Look up ↗ |
| N17FR | OK | 1998 | ● | Look up ↗ |
| N181MJ | AK | 1997 | · | Look up ↗ |
| N186SA | NY | 1999 | · | Look up ↗ |
| N1936P | VA | 1997 | ● | Look up ↗ |
| N226MC | TX | 2002 | · | Look up ↗ |
| N226TP | DE | 2006 | · | Look up ↗ |
| N227YZ | RI | 2002 | · | Look up ↗ |
| N234DG | NY | 2000 | · | Look up ↗ |
| N235PM | MI | 2004 | · | Look up ↗ |
| N235PR | TX | — | ● | Look up ↗ |
| N235RF | AK | 1984 | · | Look up ↗ |
| N235RT | TX | 1999 | · | Look up ↗ |
| N246SV | DE | 2001 | ● | Look up ↗ |
| N249RD | WI | 2001 | · | Look up ↗ |
| N251TT | WY | 1997 | · | Look up ↗ |
| N287MC | UT | 2001 | · | Look up ↗ |
| N300SG | NM | — | · | Look up ↗ |
| N3180G | CO | — | ● | Look up ↗ |
| N321TL | OR | 2000 | · | Look up ↗ |
| N345GW | MT | 2017 | · | Look up ↗ |
| N399Z | GA | — | · | Look up ↗ |
| N418KM | VA | 2002 | · | Look up ↗ |
| N4235R | RI | 1999 | · | Look up ↗ |
| N4244L | PA | 2002 | ● | Look up ↗ |
| N4245R | DE | 2001 | · | Look up ↗ |
| N4251P | TX | 2000 | · | Look up ↗ |
| N4257A | TN | — | ● | Look up ↗ |
| N42597 | AL | — | · | Look up ↗ |
| N4274Y | CA | 2000 | · | Look up ↗ |
| N444SF | AK | 2001 | · | Look up ↗ |
| N444YT | FL | 2002 | · | Look up ↗ |
| N531SB | NE | 2009 | · | Look up ↗ |
| N531WS | FL | 2008 | · | Look up ↗ |
| N54328 | WA | — | · | Look up ↗ |
| N5503L | TX | 1999 | · | Look up ↗ |
| N5517Z | NH | 2002 | · | Look up ↗ |
| N55RW | AZ | — | · | Look up ↗ |
| N586EC | MT | 1998 | · | Look up ↗ |
| N629RD | CO | — | · | Look up ↗ |
| N6447M | WY | 2001 | ● | Look up ↗ |
| N656CG | AZ | 2008 | · | Look up ↗ |
| N6589W | ME | 1999 | · | Look up ↗ |
| N66E | ME | 2002 | ● | Look up ↗ |
| N696DY | DE | 1997 | · | Look up ↗ |
| N6YM | TX | — | ● | Look up ↗ |
| N725YP | VA | 2000 | · | Look up ↗ |
| N745JM | SD | 2001 | · | Look up ↗ |
| N781DC | NC | 1999 | · | Look up ↗ |
| N787GW | KS | 2004 | · | Look up ↗ |
| N788WT | OK | 1999 | · | Look up ↗ |
| N79VE | SC | 2023 | ● | Look up ↗ |
| N812RR | NY | 2004 | · | Look up ↗ |
| N834KB | TN | 2008 | · | Look up ↗ |
| N87HY | NM | 2000 | · | Look up ↗ |
| N899Z | AR | — | · | Look up ↗ |
| N913B | WI | 1999 | · | Look up ↗ |
| N916LT | MI | 2002 | · | Look up ↗ |
| N969AW | TX | — | ● | Look up ↗ |
| N969EZ | WA | — | · | Look up ↗ |
| N995TH | MN | 1999 | · | Look up ↗ |
| N999VH | DE | 2003 | · | Look up ↗ |
| N999VV | OH | 1999 | · | Look up ↗ |
| N9VX | FL | 1997 | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available