# NTSB investigations: Lycoming O&VO-360 series, MT

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR24LA204](https://openairdocs.org/ntsb/WPR24LA204.md): Maule MXT-7-180 · Winifred, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 23, 2024 · N5519C · Substantial damage
  > The pilot’s inadvertent excessive application of brakes, which resulted in a nose over.
- [NTSB GAA19CA432](https://openairdocs.org/ntsb/GAA19CA432.md): Aviat A1 · Ennis, MT · Accident · Minor injuries · Data collection · Final report · Jul 17, 2019 · N137C · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's distraction due to looking at wildlife.
- [NTSB GAA16CA406](https://openairdocs.org/ntsb/GAA16CA406.md): Cessna 177 · Kalispell, MT · Accident · No injuries · Data collection · Final report · Jul 31, 2016 · N30550 · Substantial damage
  > The airplane's hard landing during an aborted takeoff, following an encounter with a downdraft during takeoff initial climb from a remote mountain airstrip, resulting in an uncontrolled descent, attempt to land on the runway remaining, and subsequent nose…
- [NTSB GAA15CA050](https://openairdocs.org/ntsb/GAA15CA050.md): Piper PA 28-180 · Deer Lodge, MT · Accident · No injuries · Data collection · Final report · Apr 17, 2015 · N7374W · Substantial damage
  > The pilot's inadequate recovery from a bounced landing, resulting in a loss of control and collision with terrain.
- [NTSB WPR14FA362](https://openairdocs.org/ntsb/WPR14FA362.md): Cessna 177B · Neihart, MT · Accident · 1 fatal · Field investigation · Final report · Sep 2, 2014 · N34880 · Destroyed
  > The pilot's failure to maintain clearance from terrain while maneuvering at low altitude in turbulent conditions over mountainous terrain. Contributing to the accident was the pilot's improper decision to traverse the mountainous area with the airplane over…
- [NTSB WPR13CA117](https://openairdocs.org/ntsb/WPR13CA117.md): Cessna 170B · Sunburst, MT · Accident · No injuries · Data collection · Final report · Feb 6, 2013 · N2619D · Substantial damage
  > The pilot's failure to compensate for the strong, gusting wind conditions, which resulted in a loss of airplane control during takeoff.
- [NTSB SEA07CA029](https://openairdocs.org/ntsb/SEA07CA029.md): Cessna 172RG · Laurel, MT · Accident · No injuries · Data collection · Final report · Dec 11, 2006 · N6501V · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions during the landing roll, which resulted in a loss of control and subsequent nose over. A contributing factor was the crosswind condition.
- [NTSB SEA07LA020](https://openairdocs.org/ntsb/SEA07LA020.md): Cessna 170B · Billings, MT · Accident · No injuries · Limited investigation · Final report · Nov 18, 2006 · N2619D · Substantial damage
  > The flight instructor's inadequate remedial action to maintain directional control, which resulted in a ground loop/swerve during takeoff roll. A factor was the failure of the pilot who was receiving instruction to maintain directional control.
- [NTSB SEA05CA135](https://openairdocs.org/ntsb/SEA05CA135.md): Cessna 170B · Laurel, MT · Accident · No injuries · Data collection · Final report · Jun 28, 2005 · N2619D · Substantial damage
  > The flight instructor's failure to maintain directional control during the landing roll, which resulted in an inadvertent ground loop. A contributing factor was the flight instructor's diverted attention to talking with the student.
- [NTSB SEA05CA050](https://openairdocs.org/ntsb/SEA05CA050.md): Aviat Husky A-1 · Kalispell, MT · Accident · No injuries · Data collection · Final report · Feb 17, 2005 · N22HU · Substantial damage
  > The pilot's failure to maintain clearance from a tree located off the departure end of his private airstrip during an aborted landing attempt. Factors include trees located near the departure end of the runway.
- [NTSB SEA05LA001](https://openairdocs.org/ntsb/SEA05LA001.md): Aviat A-1 · Winifred, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2004 · N79795 · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in an aerodynamic stall while maneuvering.
- [NTSB SEA04FA003](https://openairdocs.org/ntsb/SEA04FA003.md): Cessna 177B · Chinook, MT · Accident · 2 fatal · Field investigation · Final report · Oct 9, 2003 · N30921 · Destroyed
  > The total loss of engine power in cruise flight due to the separation of the carburetor from its mounting bolts, and the pilot's failure to adequately compensate for strong crosswinds while attempting the subsequent forced landing. Additional factors include…
- [NTSB SEA03LA040](https://openairdocs.org/ntsb/SEA03LA040.md): Piper PA-22-150 · Garryowen, MT · Accident · 1 fatal · Limited investigation · Final report · Feb 20, 2003 · N24MF · Substantial damage
  > The pilot in command's allowing the aircraft to inadvertently enter into a stall condition at low altitude while maneuvering. A contributing factor was the pilot's intentional low altitude maneuvering.
- [NTSB SEA02FA035](https://openairdocs.org/ntsb/SEA02FA035.md): Robinson R-22 Beta · Silver City, MT · Accident · Serious injuries · Field investigation · Final report · Jan 31, 2002 · N7507G · Substantial damage
  > Both the pilot/owner and the FAA inspector pilots' failure to maintain adequate rotor RPM during a practice auto rotation landing which resulted in a hard landing. A contributing factor was the pilot/owner's application of excessive anti-torque pedal during…
- [NTSB SEA98LA143](https://openairdocs.org/ntsb/SEA98LA143.md): McCarty Avid Magnum · Kalispell, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 18, 1998 · N64KM · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. A factor was gusty wind conditions.
- [NTSB SEA98FA089](https://openairdocs.org/ntsb/SEA98FA089.md): Mooney M20A · Canyon Creek, MT · Accident · 1 fatal · Field investigation · Final report · Jun 7, 1998 · N1048B · Destroyed
  > The design stress limits of the aircraft was exceeded. The pilot's inadequate preflight planning/preparation, lack of an instrument rating, poor weather evaluation and low ceilings and mountain obscuration were factors.
- [NTSB SEA98LA049](https://openairdocs.org/ntsb/SEA98LA049.md): Cessna 177A · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Mar 23, 1998 · N177MT · Substantial damage
  > The pilot's excessive descent rate on final, and improper recovery from a bounced landing.
- [NTSB SEA98LA025](https://openairdocs.org/ntsb/SEA98LA025.md): Cessna 177 · Thompson Falls, MT · Accident · No injuries · Limited investigation · Final report · Dec 18, 1997 · N2988X · Substantial damage
  > The student pilot's improper remedial action when confronted with a porpoised landing. A factor was his failure to execute a go-around maneuver.
- [NTSB SEA92LA185](https://openairdocs.org/ntsb/SEA92LA185.md): Schaknowski Dyke Delta JD-2 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1992 · N78BS · Substantial damage
  > Fatigue of the left main landing gear axle.
- [NTSB DEN87LA013](https://openairdocs.org/ntsb/DEN87LA013.md): Pitts S-1D · Shelby, MT · Accident · No injuries · Limited investigation · Final report · Nov 2, 1986 · N255NK · Destroyed
  > The plt took off with little or no warmup, pushed the acft to max performance at 10 ft, performed a max performance climb to 300 to 400 ft and reduced throttle to idle. As the acft reached stall speed, the plt dived at a 45 degree angle and impacted the…
- [NTSB DEN86LA041](https://openairdocs.org/ntsb/DEN86LA041.md): Cessna 177B · Billings, MT · Accident · No injuries · Limited investigation · Final report · Dec 6, 1985 · N13717 · Substantial damage
  > The acft was damaged during a forced landing in a fld following a loss of pwr from fuel exhaustion. The plt stated that during the preflight he checked the fuel level by the gages and not visually. The gages indicated slightly over one-half full at that time.
- [NTSB DEN85LA220](https://openairdocs.org/ntsb/DEN85LA220.md): Beech 76 · Sula, MT · Accident · No injuries · Limited investigation · Final report · Aug 15, 1985 · N3865U · Substantial damage
  > Plt stated that he overflew airstrip to 'make sure it was clear.' During the landing roll, he saw shrubbery on the rwy and attempted evasive action. The acft veered left and the left main gear rolled into a drainage ditch and the left wing contacted a fence…
- [NTSB DEN82DA023](https://openairdocs.org/ntsb/DEN82DA023.md): Bellanca 7GCBC · Havre, MT · Accident · No injuries · Final report · Jan 26, 1982 · N88202 · Substantial damage
  > While taking off to help gather cattle, the right axle failed as the left wing was picked up by gusty winds. The plane spun around 180 degrees and flipped over. The pilot reported that the axles were not heavy enough for consistent rough field use.
- [NTSB DEN82FTA09](https://openairdocs.org/ntsb/DEN82FTA09.md): Cessna 177B · Wolf Pt., MT · Accident · 1 fatal · Final report · Jan 20, 1982 · N35147 · Destroyed
  > The pilot reported that he encountered a snow squall while cruising at 5000 ft MSL on a VFR flight plan at night. He stated that he descended to 4000 ft MSL to try to get under the squall and continue. He was unable to remember what happened after descending…
- [NTSB DEN81FTA03](https://openairdocs.org/ntsb/DEN81FTA03.md): Brantly B-2B · Broadus, MT · Accident · No injuries · Closed · Oct 18, 1981 · N2271U · Substantial damage
- [NTSB DEN81FTA13](https://openairdocs.org/ntsb/DEN81FTA13.md): Cessna 177 · Lavina, MT · Accident · No injuries · Closed · Aug 9, 1981 · N34007 · Substantial damage
- [NTSB SEA79FA050](https://openairdocs.org/ntsb/SEA79FA050.md): Beech B23 · Neihart, MT · Accident · 4 fatal · Closed · Aug 24, 1979 · N7635R · Destroyed
- [NTSB SEA78FA066](https://openairdocs.org/ntsb/SEA78FA066.md): Piper PA-28 · Hall, MT · Accident · 4 fatal · Closed · Sep 19, 1978 · N8359C · Destroyed
- [NTSB SEA78FTI20](https://openairdocs.org/ntsb/SEA78FTI20.md): Piper PA-20 · Deer Lodge, MT · Accident · No injuries · Closed · May 29, 1978 · N1514A · Substantial damage
- [NTSB SEA77FTA30](https://openairdocs.org/ntsb/SEA77FTA30.md): Piper PA-28 · Miles City, MT · Accident · No injuries · Closed · Aug 26, 1977 · N5358L · Substantial damage
- [NTSB SEA75FTA14](https://openairdocs.org/ntsb/SEA75FTA14.md): Piper PA-18 · Hardin, MT · Accident · No injuries · Closed · Dec 4, 1974 · N8109Y · Substantial damage
- [NTSB SEA75FTA02](https://openairdocs.org/ntsb/SEA75FTA02.md): Mooney M20D · Glasgow, MT · Accident · No injuries · Closed · Jul 15, 1974 · N6619U · Substantial damage
- [NTSB SEA73FTI09](https://openairdocs.org/ntsb/SEA73FTI09.md): Mooney M20C · Harlem, MT · Accident · No injuries · Closed · Aug 21, 1972 · N2901L · Substantial damage
- [NTSB SEA73FTI04](https://openairdocs.org/ntsb/SEA73FTI04.md): Piper PA-20 · Great Falls, MT · Accident · No injuries · Closed · Aug 7, 1972 · N1514A · Substantial damage
- [NTSB SEA72DTI08](https://openairdocs.org/ntsb/SEA72DTI08.md): Mooney M20C · Great Falls, MT · Accident · Serious injuries · Closed · Oct 3, 1971 · N78939 · Substantial damage
- [NTSB SEA71FDA13](https://openairdocs.org/ntsb/SEA71FDA13.md): Beech B-95 · Forsyth, MT · Accident · No injuries · Closed · Feb 7, 1971 · N9923R · Substantial damage
- [NTSB SEA71DDA11](https://openairdocs.org/ntsb/SEA71DDA11.md): Piper PA-18 · Garryowen, MT · Accident · No injuries · Closed · Dec 4, 1970 · N8109Y · Substantial damage
- [NTSB SEA71DDG14](https://openairdocs.org/ntsb/SEA71DDG14.md): Mooney M20C · Melrose, MT · Accident · Minor injuries · Closed · Sep 17, 1970 · N5637Q · Substantial damage
- [NTSB SEA70FDG04](https://openairdocs.org/ntsb/SEA70FDG04.md): Mooney M20D · Great Falls, MT · Accident · Minor injuries · Closed · May 22, 1970 · N6715N · Substantial damage
- [NTSB SEA69D0026](https://openairdocs.org/ntsb/SEA69D0026.md): Piper PA-28 · Chinook, MT · Accident · No injuries · Closed · Jul 7, 1968 · N7557W · Substantial damage
- [NTSB SEA67A0043](https://openairdocs.org/ntsb/SEA67A0043.md): Brantly B-2B · Wyola, MT · Accident · No injuries · Closed · Dec 18, 1966 · N2183U · Substantial damage
- [NTSB SEA67D0168](https://openairdocs.org/ntsb/SEA67D0168.md): Mooney M20B · W S Springs, MT · Accident · No injuries · Closed · Oct 9, 1966 · N74785 · Substantial damage
- [NTSB SEA67F0077](https://openairdocs.org/ntsb/SEA67F0077.md): Piper PA-24 · Laurel, MT · Accident · No injuries · Closed · Aug 7, 1966 · N6593P · Substantial damage
- [NTSB SEA67D0035](https://openairdocs.org/ntsb/SEA67D0035.md): Piper PA-28 · Butte, MT · Accident · No injuries · Closed · Jul 15, 1966 · N7392W · Substantial damage
- [NTSB SEA67D0028](https://openairdocs.org/ntsb/SEA67D0028.md): Mooney M20C · Polson, MT · Accident · No injuries · Closed · Jun 15, 1966 · N5704Q · Substantial damage
- [NTSB SEA66D0197](https://openairdocs.org/ntsb/SEA66D0197.md): Mooney M20C · Polson, MT · Accident · No injuries · Closed · Jan 12, 1966 · N5704Q · Substantial damage
- [NTSB SEA66F0122](https://openairdocs.org/ntsb/SEA66F0122.md): Mooney M20C · Red Lodge, MT · Accident · No injuries · Closed · Sep 19, 1965 · N5882Q · Substantial damage
- [NTSB SEA65A0043](https://openairdocs.org/ntsb/SEA65A0043.md): Brantly B2 · St Mary, MT · Accident · No injuries · Closed · Feb 8, 1965 · N5967X · Substantial damage
- [NTSB UNK65X0713](https://openairdocs.org/ntsb/UNK65X0713.md): Mooney M21 · Plentywood, MT · Accident · No injuries · Closed · Nov 15, 1964 · N6881U · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41514'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41514&state=MT

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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.