# Maule MX-7-180

- Type: Aircraft model (FAA registry)
- Registry codes: 5470205, 5460185
- Manufacturer (registry): MAULE
- Model: MX-7-180
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 5
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS 3A23](https://openairdocs.org/tcds/3A23) (OpenAirDocs)
- Holder: Maule Aerospace Technology Inc.
- Registered aircraft: 27
- Page: https://openairdocs.org/model/maule-mx-7-180

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 98-15-18 R1](https://openairdocs.org/ad/98-15-18-R1): Wings · Maule Aerospace Technology Bee Dee M-4, M-4, M-4-180C and 36 more. Effective Jan 21, 2014
- [AD 2008-24-02](https://openairdocs.org/ad/2008-24-02): Rear elevator control horn · Maule Aerospace Technology Bee Dee M-4, M-4, M-4-180C and 41 more. Effective Dec 30, 2008
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2000-09-06](https://openairdocs.org/ad/2000-09-06): Sleeve Terminal Ends · Allison 250-B17C gas turbine engine, Edo Model 797-2500… (Maule Aerospace Technologies STC SA2661SO). Effective May 30, 2000
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996

Historical (superseded or no longer in force):

- [AD 98-15-18](https://openairdocs.org/ad/98-15-18) (historical): Wing Lift Struts · Maule Aerospace Technology Bee Dee M-4, M-4, M-4-180C and 37 more. Effective Sep 9, 1998
- [AD 95-26-18](https://openairdocs.org/ad/95-26-18) (historical): Wing Lift Strut · Maule Aerospace Technology M-4, M-4-180C, M-4-180S and 41 more. Effective Jan 26, 1996

## Information bulletins (advisory) (1)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018

## Registered aircraft (27)

- [N122WA](https://openairdocs.org/aircraft/N122WA): [Nagle Derek T](https://openairdocs.org/faa-owner/NAGLE%20DEREK%20T), [Ada, MI](https://openairdocs.org/faa-place/MI/Ada), S/N 11075C
- [N123SP](https://openairdocs.org/aircraft/N123SP): [Main Wesley Jake](https://openairdocs.org/faa-owner/MAIN%20WESLEY%20JAKE), [Kenai, AK](https://openairdocs.org/faa-place/AK/Kenai), built 1991, S/N 11083C
- [N148DP](https://openairdocs.org/aircraft/N148DP): [Henke Kristen C](https://openairdocs.org/faa-owner/HENKE%20KRISTEN%20C), [Bettendorf, IA](https://openairdocs.org/faa-place/IA/Bettendorf), S/N 11015C
- [N280SA](https://openairdocs.org/aircraft/N280SA): [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1990, S/N 11070C
- [N30592](https://openairdocs.org/aircraft/N30592): [Kussmaul Richard](https://openairdocs.org/faa-owner/KUSSMAUL%20RICHARD), [Clinton, MI](https://openairdocs.org/faa-place/MI/Clinton), built 1994, S/N 11093C
- [N3171H](https://openairdocs.org/aircraft/N3171H): [Kh Air LLC](https://openairdocs.org/faa-owner/KH%20AIR%20LLC), [New London, MN](https://openairdocs.org/faa-place/MN/New%20London), built 2018, S/N 22045C
- [N561TP](https://openairdocs.org/aircraft/N561TP): [Kerner Christine A](https://openairdocs.org/faa-owner/KERNER%20CHRISTINE%20A), [Yelm, WA](https://openairdocs.org/faa-place/WA/Yelm), built 1988, S/N 11041C
- [N5653R](https://openairdocs.org/aircraft/N5653R): [Schoenau Michael](https://openairdocs.org/faa-owner/SCHOENAU%20MICHAEL), [Tulare, CA](https://openairdocs.org/faa-place/CA/Tulare), S/N 11001C
- [N56557](https://openairdocs.org/aircraft/N56557): [Mannering Robert D](https://openairdocs.org/faa-owner/MANNERING%20ROBERT%20D), [Warrensburg, MO](https://openairdocs.org/faa-place/MO/Warrensburg), S/N 11002C
- [N56587](https://openairdocs.org/aircraft/N56587): [Bumpus James M](https://openairdocs.org/faa-owner/BUMPUS%20JAMES%20M), [Lucas, OH](https://openairdocs.org/faa-place/OH/Lucas), S/N 11004C
- [N5659H](https://openairdocs.org/aircraft/N5659H): [Varnold Paul M](https://openairdocs.org/faa-owner/VARNOLD%20PAUL%20M), [Pilesgrove, NJ](https://openairdocs.org/faa-place/NJ/Pilesgrove), built 1985, S/N 11003C
- [N5661Y](https://openairdocs.org/aircraft/N5661Y): [Baumann Jon G](https://openairdocs.org/faa-owner/BAUMANN%20JON%20G), [Midland, TX](https://openairdocs.org/faa-place/TX/Midland), S/N 11010C
- [N5662Z](https://openairdocs.org/aircraft/N5662Z): [Edwards Ryan D](https://openairdocs.org/faa-owner/EDWARDS%20RYAN%20D), [Columbus, GA](https://openairdocs.org/faa-place/GA/Columbus), built 1985, S/N 11018C
- [N5663N](https://openairdocs.org/aircraft/N5663N): [Meranda Andrew J](https://openairdocs.org/faa-owner/MERANDA%20ANDREW%20J), [Morganton, NC](https://openairdocs.org/faa-place/NC/Morganton), built 1986, S/N 11021C
- [N5669D](https://openairdocs.org/aircraft/N5669D): [Murphey Julian R](https://openairdocs.org/faa-owner/MURPHEY%20JULIAN%20R), [Knoxville, TN](https://openairdocs.org/faa-place/TN/Knoxville), built 1987, S/N 11029C
- [N5669N](https://openairdocs.org/aircraft/N5669N): [Lynn Martin K](https://openairdocs.org/faa-owner/LYNN%20MARTIN%20K), [Brownsboro, AL](https://openairdocs.org/faa-place/AL/Brownsboro), built 1987, S/N 11032C
- [N6114Y](https://openairdocs.org/aircraft/N6114Y): [Flies Warren E](https://openairdocs.org/faa-owner/FLIES%20WARREN%20E), [Mesa, AZ](https://openairdocs.org/faa-place/AZ/Mesa), built 1988, S/N 11043C
- [N6129C](https://openairdocs.org/aircraft/N6129C): [Sumner Scott B](https://openairdocs.org/faa-owner/SUMNER%20SCOTT%20B), [Catoosa, OK](https://openairdocs.org/faa-place/OK/Catoosa), built 1988, S/N 11057C
- [N61330](https://openairdocs.org/aircraft/N61330): [Holman Ricardo Earl](https://openairdocs.org/faa-owner/HOLMAN%20RICARDO%20EARL), [Creswell, OR](https://openairdocs.org/faa-place/OR/Creswell), built 1989, S/N 11065C
- [N6133A](https://openairdocs.org/aircraft/N6133A): [Reinders Monte M](https://openairdocs.org/faa-owner/REINDERS%20MONTE%20M), [Port Townsend, WA](https://openairdocs.org/faa-place/WA/Port%20Townsend), built 1990, S/N 14001C
- [N773MC](https://openairdocs.org/aircraft/N773MC): [Alexy Kenneth J](https://openairdocs.org/faa-owner/ALEXY%20KENNETH%20J), [Washington, MI](https://openairdocs.org/faa-place/MI/Washington), S/N 11019C
- [N830LM](https://openairdocs.org/aircraft/N830LM): [Kq Aviation LLC](https://openairdocs.org/faa-owner/KQ%20AVIATION%20LLC), [Old Town, FL](https://openairdocs.org/faa-place/FL/Old%20Town), built 1988, S/N 11048C
- [N9076H](https://openairdocs.org/aircraft/N9076H): [Beachy Jonas D](https://openairdocs.org/faa-owner/BEACHY%20JONAS%20D), [Whittington, IL](https://openairdocs.org/faa-place/IL/Whittington), built 1989, S/N 11040C
- [N9210M](https://openairdocs.org/aircraft/N9210M): [Hahn David](https://openairdocs.org/faa-owner/HAHN%20DAVID), [Port Lavaca, TX](https://openairdocs.org/faa-place/TX/Port%20Lavaca), built 1991, S/N 11067C
- [N9227W](https://openairdocs.org/aircraft/N9227W): [Masterman Robert David](https://openairdocs.org/faa-owner/MASTERMAN%20ROBERT%20DAVID), [Chugiak, AK](https://openairdocs.org/faa-place/AK/Chugiak), S/N 11097C
- [N9230T](https://openairdocs.org/aircraft/N9230T): [Proctor Richard P](https://openairdocs.org/faa-owner/PROCTOR%20RICHARD%20P), [Statesboro, GA](https://openairdocs.org/faa-place/GA/Statesboro), S/N 11095C
- [N988MS](https://openairdocs.org/aircraft/N988MS): [Long Mark A](https://openairdocs.org/faa-owner/LONG%20MARK%20A), [Stanton, MI](https://openairdocs.org/faa-place/MI/Stanton), built 1988, S/N 11058C

## NTSB investigations (15)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR23LA254](https://openairdocs.org/ntsb/WPR23LA254), Jul 4, 2023: Maule MX7-180C (N3171H), Belgrade, MT, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing with a quartering tailwind, which resulted in a runway excursion and nose over.
- [NTSB CEN15CA134](https://openairdocs.org/ntsb/CEN15CA134), Jan 23, 2015: Maule MX 7-180 (N773MC), Georgetown, TX, substantial damage. Probable cause: The pilot did not maintain control of the airplane while landing in gusting crosswind conditions.
- [NTSB WPR10CA455](https://openairdocs.org/ntsb/WPR10CA455), Sep 11, 2010: Maule MX7 (N6138Y), Willows, CA, substantial damage. Probable cause: The pilot's inadequate compensation for the gusty crosswind condition and his failure to maintain directional control.
- [NTSB ANC05CA109](https://openairdocs.org/ntsb/ANC05CA109), Jul 27, 2005: Maule MX7-180 (N185DB), Yakutat, AK, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing, and his failure to maintain directional control of the airplane during the landing roll, which resulted in a nose-over. A factor contributing…
- [NTSB NYC00LA179](https://openairdocs.org/ntsb/NYC00LA179), Jul 1, 2000: Maule MX-7-180 (N5661P), Woodbine, NJ, substantial damage. Probable cause: The pilot-in-command's failure to initiate a timely go-around.
- [NTSB CHI97LA107](https://openairdocs.org/ntsb/CHI97LA107), Apr 19, 1997: Maule MX-7-180 (N5666N), Lakeville, MN, substantial damage. Probable cause: the pilot's inadequate compensation for the crosswind.
- [NTSB SEA96LA142](https://openairdocs.org/ntsb/SEA96LA142), Jul 5, 1996: Maule MX-7-180 (N5663U), Newport, OR, substantial damage. Probable cause: the passenger's inadvertent activation of the aircraft's rudder, which resulted in a loss of directional control and collision with a tree during an attempted go-around (aborted landing).
- [NTSB FTW93LA199](https://openairdocs.org/ntsb/FTW93LA199), Jun 29, 1993: Maule MX-7-180 (N4UM), Eufaula, OK, substantial damage. Probable cause: THE PILOTS IMPROPER COMPENSATION FOR THE WIND CONDITIONS. A FACTOR WAS THE CROSSWIND
- [NTSB LAX93LA082](https://openairdocs.org/ntsb/LAX93LA082), Dec 30, 1992: Maule MX-7-180 (N5653R), Oceano, CA, substantial damage. Probable cause: THE PILOT'S OPERATION OF THE AIRCRAFT WITH KNOWN DEFICIENCIES IN THE BRAKE SYSTEM.
- [NTSB LAX92LA317](https://openairdocs.org/ntsb/LAX92LA317), Jul 28, 1992: Maule MX-7-180 (N6138Y), Lovelock, NV, substantial damage. Probable cause: THE FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT. A FACTOR IN THE ACCIDENT WAS THE PRESENCE OF DUST DEVILS IN THE VICINITY OF THE AIRPORT.
- [NTSB MIA92LA147](https://openairdocs.org/ntsb/MIA92LA147), Jul 7, 1992: Maule MX-7-180 (N148DP), Okeechobee, FL, substantial damage. Probable cause: THE FAILURE OF THE PILOT-IN-COMMAND OF N148DP TO OBTAIN NOTAM INFORMATION CONCERNING MILITARY ROUTES ALONG HIS ROUTE OF FLIGHT, RESULTING IN HIS ENCOUNTER WITH A FLIGHT OF F16 AIRCRAFT WHO WERE…
- [NTSB MKC89GA147](https://openairdocs.org/ntsb/MKC89GA147), Jun 30, 1989: Maule MX-7 (N6131M), Atlantic, IA, substantial damage, 2 fatal. Probable cause: FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHILE MANEUVERING AT LOW ALTITUDE, WHICH LED TO AN INADVERTENT STALL AND LOSS OF CONTROL. A CONTRIBUTING FACTOR WAS THE LACK OF ALTITUDE TO RECOVER…
- [NTSB ATL89LA134](https://openairdocs.org/ntsb/ATL89LA134), Apr 24, 1989: Maule MX-7-180 (N6129C), Millersburg, OH, substantial damage. Probable cause: THE PILOTS FAILURE TO COMPENSATE FOR THE GUSTY WIND CONDITIONS DURING LANDING.
- [NTSB BFO88LA020](https://openairdocs.org/ntsb/BFO88LA020), Feb 24, 1988: Maule MX7-180 (N5662H), Lewisburg, WV, substantial damage
- [NTSB ATL87LA128](https://openairdocs.org/ntsb/ATL87LA128), Apr 28, 1987: Maule MX-7-180 (N5670C), Greenville, SC, substantial damage

## FAA accident and incident reports (29)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20230704008709A](https://openairdocs.org/incident/20230704008709A), Jul 4, 2023: Maule MX-7-180 (N3171H), Belgrade, MT, Substantial damage. The pilot stated the following: I picked up ATIS victor (which had not changed since I had departed kbzn and called for winds variable@ 3 KTS). I entered a…
- [Accident 20150123002939A](https://openairdocs.org/incident/20150123002939A), Jan 23, 2015: Maule MX-7-180 (N773MC), Georgetown, TX, Substantial damage. Following purchase PIC received 1.5 hours dual before embarking cross country from Virginia to Texas. While landing at gorgetown airport (gtu) PIC over…
- [Accident 20100911050589A](https://openairdocs.org/incident/20100911050589A), Sep 11, 2010: Maule MX-7-180 (N6138Y), Willows, CA, Substantial damage. During a normal landing at the Willows, Glen-county airport, CA, the aircraft ground looped during rollout. The aircraft was substantially damaged during the…
- [Incident 20070722018759I](https://openairdocs.org/incident/20070722018759I), Jul 22, 2007: Maule MX7180 (N5669N), Cambridge, MD, Minor damage. (-23) Pilot landed at cge on rwy 16. The pilot stated there was a crosswind and he could not control the aircraft. The aircraft ground-looped. It came to rest…
- [Accident 20050726017319A](https://openairdocs.org/incident/20050726017319A), Jul 26, 2005: Maule MX7180 (N185DB), Yakutat, AK, Substantial damage. (-23) The pilot had reason to believe the hikers on the beach might have been in distress, so he attempted to make an off airport landing in their vicinity.…
- [Incident 20041205032969I](https://openairdocs.org/incident/20041205032969I), Dec 5, 2004: Maule MX7180 (N30592), Franklin, PA, Minor damage. (-23) The pilot performed a normal landing and during rollout the aircraft pulled hard to its right. The pilot applied corrective inputs, but the corrective…
- [Incident 20020906032999I](https://openairdocs.org/incident/20020906032999I), Sep 6, 2002: Maule MX7180 (N56557), Dallas, TX, Minor damage. (-23) N56557 was cleared to land on runway 13L at lovefield in a 10-15 knot cross-wind, the pilot did not use the flight controls correctly and the aircraft…
- [Accident 20000701043709A](https://openairdocs.org/incident/20000701043709A), Jul 1, 2000: Maule MX7180 (N5661P), Woodbine, NJ, Substantial damage. (-23) The accident occurred during an instructional period on simulated engine out procedures. Mr. Winchell was providing instruction to his son, owner of a/c…
- [Accident 19970419006159A](https://openairdocs.org/incident/19970419006159A), Apr 19, 1997: Maule MX7180 (N5666N), Lakeville, MN, Destroyed. Bounced nose high from hard landing wing stalled and hit runway. Aircraft cartwheeled into soft field . Too slow. (-23) eyewitness observed aircraft make what…
- [Incident 19961013042929I](https://openairdocs.org/incident/19961013042929I), Oct 13, 1996: Maule MX7180 (N9210M), Morristown, TN, Minor damage. Vehicle struck right gear on short final. Was too low. Vehicle pulled in front of the landing aircraft.
- [Accident 19960705043959A](https://openairdocs.org/incident/19960705043959A), Jul 5, 1996: Maule MX7180 (N5663U), Newport, OR, Substantial damage. Lost control on final when passenger pushed full rudder trying adjust seat. Tried go around but hit trees.
- [Incident 19950828034709I](https://openairdocs.org/incident/19950828034709I), Aug 28, 1995: Maule MX7180 (N5666N), Reno, NV, Minor damage. Gust of wind landing caused sharp swerve and ground loop. Not pilot error. Apparently encountered. Dust devil.
- [Incident 19941111042529I](https://openairdocs.org/incident/19941111042529I), Nov 11, 1994: Maule MX7180 (N5653R), Hanford, CA, Minor damage. Stalled at 20 ft AGL on flare for landing. Impact damaged gear strut.
- [Incident 19941027039939I](https://openairdocs.org/incident/19941027039939I), Oct 27, 1994: Maule MX7180 (N56557), Houston, TX, Minor damage. Lost control and ground looped the tail dragger.
- [Incident 19940813035919I](https://openairdocs.org/incident/19940813035919I), Aug 13, 1994: Maule MX7180 (N5653R), South Lake Taho, CA, Minor damage. Bounced on landing. Tried recover by convert to wheel landing. Left west side runway. Collapsed right main gear.
- [Incident 19940128002439I](https://openairdocs.org/incident/19940128002439I), Jan 28, 1994: Maule M5235C (N5653R), Hanford, CA, Minor damage. Narrative: N5653R. Maule (MX7180) departed tulare, CA. At about 1215 PST, January 28, 1994, on a VFR flight to Hanford, CA. On roll-out after landing on runway…
- [Incident 19930727035549I](https://openairdocs.org/incident/19930727035549I), Jul 27, 1993: Maule MX7180 (N5669D), Oshkosh, WI, Minor damage. Pilot lost directional control on landing rollout when wind gust hit aircraft. Ground looped.
- [Accident 19930629020869A](https://openairdocs.org/incident/19930629020869A), Jun 29, 1993: Maule MX7180 (N4UM), Eufaula, OK, Substantial damage. Made low pass in gusty crosswind, then elected go around, left wing low and climbing downwind turn. Struck trees.
- [Incident 19921230052559I](https://openairdocs.org/incident/19921230052559I), Dec 30, 1992: Maule MX7180 (N5653R), Oceano, CA, Minor damage. Pilot stated that the left brake locked on landing. The aircraft ground looped.
- [Accident 19920727027609A](https://openairdocs.org/incident/19920727027609A), Jul 27, 1992: Maule MX7180 (N6138Y), Lovelock, NV, Substantial damage. Lost directional control and ground looped on landing. Noted dust devils in area
- [Accident 19920707023939A](https://openairdocs.org/incident/19920707023939A), Jul 7, 1992: Maule MX7180 (N148DP), Okeechobee, FL, Substantial damage. Near miss by military jet caused pilot injury and structural damage from jet wake.NOTAMS on area avialable to pilot
- [Incident 19910502029509I](https://openairdocs.org/incident/19910502029509I), May 2, 1991: Maule MX7180 (N56587), Romeoville, IL, Minor damage. Pilot lost control of aircraft on landing rollout. Damaged right wing tip.
- [Incident 19901111058849I](https://openairdocs.org/incident/19901111058849I), Nov 11, 1990: Maule MX7180 (N5663U), Fort Pierce, FL, Minor damage. Pilot made a hard landing. Wind could have feen a factor.
- [Accident 19890424009759A](https://openairdocs.org/incident/19890424009759A), Apr 24, 1989: Maule MX7180 (N6129C), Millersburg, OH, Substantial damage. Dragged a wing on an embankment while turning to land. Lost control and crash landed.
- [Accident 19880224003429A](https://openairdocs.org/incident/19880224003429A), Feb 24, 1988: Maule MX7180 (N5662H), Lewisburg, WV, Substantial damage. Wind gust on landing flare. Wing hit runway. Aircraft cartwheeled.
- [Incident 19870913074609I](https://openairdocs.org/incident/19870913074609I), Sep 13, 1987: Maule MX7180 (N148DP), Vero Beach, FL, Minor damage. Student pilot with passenger lost control on downwind landing. Found defective wheel rim. Wind shifted at flare.
- [Incident 19870516053979I](https://openairdocs.org/incident/19870516053979I), May 16, 1987: Maule MX7180 (N5666N), Cameron Park, CA, Minor damage. Lost directional control on landing and veered off the runway side.
- [Accident 19870428011759A](https://openairdocs.org/incident/19870428011759A), Apr 28, 1987: Maule MX7180 (N5670C), Greenville, SC, Substantial damage. Lost control of aircraft doing touch and go landings. Departed runway. Ground looped and nosed down in a ditch.
- [Incident 19870204013299I](https://openairdocs.org/incident/19870204013299I), Feb 4, 1987: Maule MX7180 (N5663N), Giddings, TX. Landed on a road after engine ran rough and lost power. Found the intake rocker arm on number 2 cylinder failed.

## Service difficulty reports (20)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2006FA0000415](https://openairdocs.org/sdr/2006FA0000415), Apr 25, 2006: CABLE. FRAYED. FOUND RIGHT AND LEFT RUDDER TRIM CABLE BADLY FRAYED AS THE CABLE EXISTED THE RUDDER SKIN.
- [SDR AUS20030107](https://openairdocs.org/sdr/AUS20030107), Jan 31, 2003: BRUSHES. WORN. (AUS) STARTER MOTOR BRUSHES WORN UNEVENLY. THE STARTER MOTOR WASREMOVED DUE TO CONTAMINATION WITH ENGINE OIL FROM A LEAKING CRANKSHAFT SEAL. THE UNIT WAS REMOVE
- [SDR AUS20030105](https://openairdocs.org/sdr/AUS20030105), Jan 31, 2003: BOLT. WRONG PART. (AUS) THE MAJORITY OF THE BOLTS USED IN THE AIRCRAFT ARE AN TYPE BOLTS WITH A DRILLED SHANK COMBINED WITH A SELF LOCKING NUT. UNAPPROVED PART. PERSONNEL/MAINTEN
- [SDR AUS20030104](https://openairdocs.org/sdr/AUS20030104), Jan 31, 2003: FABRIC. FAULTY. (AUS) FUSELAGE AND EMPENNAGE FABRIC COVERING FAULTY. THE 76.2MM (3IN) LINEAR STRAIGHT AND PINKED TAPES COULD BE REMOVED BY LIGHTLYHOLDING THE TAPE BETWEEN THUMB
- [SDR AUS20030103](https://openairdocs.org/sdr/AUS20030103), Jan 31, 2003: CONTROL QUADRANT. OUT OF ADJUST. (AUS) ELEVATOR AND RUDDER CONTROLS OUT OF LIMIT. RUDDER SYSTEM - LT 27 DEGREES, RT 21 DEGREES (LIMITS 21DEGREES + 1 DEGREE). ELEVATOR SYSTEM - UP 28 DEGREES, DO
- [SDR AUS20030102](https://openairdocs.org/sdr/AUS20030102), Jan 31, 2003: BRUSHES. WORN. (AUS) ALTERNATOR CONTAMINATED WITH ENGINE OIL FROM A DETERIORATED CRANKSHAFT SEAL. THE UNIT WAS DISASSEMBLED AND THE FOLLOWING DEFECTS NOTED: THROUGH BOLTS WERE
- [SDR AUS20030101](https://openairdocs.org/sdr/AUS20030101), Jan 31, 2003: SEAL. DETERIORATED. (AUS) CRANKSHAFT SEAL DETERIORATED AND LEAKING. CONTAMINATION OF STARTER AND ALTERNATOR.
- [SDR AUS20030100](https://openairdocs.org/sdr/AUS20030100), Jan 31, 2003: BOLT. BENT. (AUS) TAIL WHEEL FORWARD SPRING ATTACHMENT BOLT BENT.
- [SDR AUS20030099](https://openairdocs.org/sdr/AUS20030099), Jan 31, 2003: CONNECTOR. DAMAGED. (AUS) MAIN LANDING GEAR OLEO CONNECTOR DISTORTED. OLEO CONNECTORRETAINS THE UNDERCARRIAGE SPRING AND SECURES THE OLEO ASSEMBLY TO THE FUSELAGE. FOLLOWING DISASS
- [SDR AUS20030098](https://openairdocs.org/sdr/AUS20030098), Jan 31, 2003: CONTROL CABLE. WORN. (AUS) AILERON CABLES WORN AT FUSELAGE FAIRLEADS.
- [SDR AUS20030096](https://openairdocs.org/sdr/AUS20030096), Jan 31, 2003: INDICATOR. INACCURATE. (AUS) FUEL INDICATING SYSTEM OUT OF CALIBRATION.
- [SDR AUS20030095](https://openairdocs.org/sdr/AUS20030095), Jan 31, 2003: SELECTOR. RESTRICTED. (AUS) FUEL SELECTOR RESTRICTED. THE AIRCRAFT DID NOT COMPLY WITH THETCDS IN THAT THE FUEL SELECTOR PLACARD DID NOT CONTAIN A "BOTH" POSITION. FURTHER INVESTIGAT
- [SDR AUS20030094](https://openairdocs.org/sdr/AUS20030094), Jan 31, 2003: TRANSMITTER. SHORTED. (AUS) LT AUXILIARY, RT AUXILIARY AND RT MAIN FUEL TRANSMITTERS FAILED. LT MAIN FUEL TRANSMITTER ERRATIC. THE TRANSMITTER EARTH RETURN BRASS PLATES LOCATED ADJAC
- [SDR AUS20030093](https://openairdocs.org/sdr/AUS20030093), Jan 31, 2003: LIFT STRUT. OUT OF ADJUST. (AUS) WING LIFT STRUTS (4OFF) PNO 2200E AND PNO 2201E OUT OF ADJUSTMENT RESULTING IN THE MAINPLANES NOT BEING SYMMETRICAL WITH THE FUSELAGE. LIFT STRUTS HAD BEE
- [SDR 20000626SH010](https://openairdocs.org/sdr/20000626SH010), May 23, 2000: GASKET. LOOSE. THE DIAMETER OF HEAT BOX THROAT IS LARGER THAN SEALING SURFACE OF CARBURETOR GASKET ALLOWING CARBURETOR BASKET TO REMAIN LOOSE. COULD BE SUCKED INTO CARBURETOR.
- [SDR 98ZZZX3081](https://openairdocs.org/sdr/98ZZZX3081), Jul 22, 1998: MUFFLER. SEPARATED. THE RIGHT HAND MUFFLER OUTLET AND PERFORATED INTERNAL BAFFLE IS FOUND COMPLETELY SEPARATED FROM THE MUFFLER AFT END PLATE. MUFFLER WAS MOUNTED ON AIRCRAFT WITH 
- [SDR AU980595](https://openairdocs.org/sdr/AU980595), May 25, 1998: THERMO VALVE. NUT LOOSE. (AUS) THERMOSTATIC OIL COOLER BYPASS VALVE (VERNATHERM) SHAFT NUT LOOSE. FOUND DURING INSPECTION IAW AD/LYC/78 AMDT5. PART TC: 770.
- [SDR 97ZZZX2100](https://openairdocs.org/sdr/97ZZZX2100), Apr 29, 1997: VALVE. SCREWS SHEARED. DURING AN ANNUAL INSPECTION, THE CARBURETOR HEAT DIVERTER VALVE WAS FOUND SHEARED FROM THE CONTROL SHAFT. TWO 8-32 SCREWS WITH SELF-LOCKING NUTS SECURE THE VALV
- [SDR 96ZZZX2180](https://openairdocs.org/sdr/96ZZZX2180), Apr 8, 1996: HEAT VALVE. DETERIORATED. DURING HEAT VALVE INSPECTION PER MAULE SB 16 (2-20-96) REFERENCE SL NR 56 (2-27-96) FOUND ON VISUAL INSPECTION, NO DEFECTS, BUT WHEN SLIGHT PULL PRESSURE APPLIE
- [SDR 96ZZZX39](https://openairdocs.org/sdr/96ZZZX39), Nov 18, 1995: AIR BOX. FAILED. SMALL PART OF AIR BOX BROKE LOOSE FROM BOX, LODGING IN CARBURETOR THROAT CAUSING ENGINE TO QUIT ON TAKEOFF. SUCCESSFUL LANDING WAS MADE BACK ON RUNWAY. AIR BOX 

## STCs that may be installed (OpenAirDocs) (149, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, LLC
- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA12472IB](https://openairdocs.org/stc/SA12472IB): Installation of the MT-Propeller Entwicklung GmbH MTV-15-B/203-58 propeller. MT-Propeller Entwicklung GmbH
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02576AK](https://openairdocs.org/stc/SA02576AK): Installation of Cleveland and ABI, LLC Wheel and Brake Kits. ABI LLC
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA00756DE](https://openairdocs.org/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 Sensor. Peregrine
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA01606CH](https://openairdocs.org/stc/SA01606CH): Installation of alternate electro-hydraulic power pack system for operation of main wheel skis. F.Atlee Dodge Aircraft Services
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA03819NY](https://openairdocs.org/stc/SA03819NY): Installation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA02549AK](https://openairdocs.org/stc/SA02549AK): Fabrication and installation of Lift Struts. Airframes Alaska LLC
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): 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 with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation
- [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine

All 149: https://openairdocs.org/model/maule-mx-7-180/stcs.md

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.