# NTSB investigations: Lycoming 0-235 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 WPR23LA280](https://openairdocs.org/ntsb/WPR23LA280.md): Piper PA-12S · Kalispell, MT · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2023 · N48MR · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing with a crosswind.
- [NTSB WPR23LA266](https://openairdocs.org/ntsb/WPR23LA266.md): Piper PA-12 · Judith Gap, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N4135M · Substantial damage
  > The pilot's decision to take off on a soft field that exceeded the performance capabilities of the airplane, which resulted in an impact with a pole and terrain.
- [NTSB WPR18LA118](https://openairdocs.org/ntsb/WPR18LA118.md): Diamond Aircraft Ind DA 42 NG · Bozeman, MT · Accident · No injuries · Class 3 · Limited · Final report · Apr 4, 2018 · N621ZC · 2 aircraft · Substantial damage
  > The student pilot and flight instructor's failure to see and avoid the stationary airplane during taxi, which resulted in a ground collision.
- [NTSB GAA16CA319](https://openairdocs.org/ntsb/GAA16CA319.md): American AA 1 · Denton, MT · Accident · No injuries · Data collection · Final report · Jun 12, 2016 · N5720L · Substantial damage
  > The pilot's premature rotation and failure to attain sufficient airspeed required for a sustained climb, resulting in a runway overrun and collision with a fence.
- [NTSB WPR14CA075](https://openairdocs.org/ntsb/WPR14CA075.md): Cessna 152 · St. Ignatius, MT · Accident · Serious injuries · Data collection · Final report · Dec 24, 2013 · N5533B · Substantial damage
  > The non-certificated pilot's failure to maintain a stabilized approach for landing that resulted in a long landing and subsequent runway overrun.
- [NTSB WPR12CA293](https://openairdocs.org/ntsb/WPR12CA293.md): Piper PA-12 · Stevensville, MT · Accident · No injuries · Data collection · Final report · Jul 4, 2012 · N2870M · Substantial damage
  > The separation of the left rudder control cable from the rudder bellcrank, which resulted in a loss of directional control during landing roll.
- [NTSB WPR11FA383](https://openairdocs.org/ntsb/WPR11FA383.md): Piper PA-38-112 · Silver Bow, MT · Accident · 2 fatal · Field investigation · Final report · Aug 15, 2011 · N2584N · Substantial damage
  > The pilot's failure to maintain airplane control while maneuvering.
- [NTSB WPR10CA380](https://openairdocs.org/ntsb/WPR10CA380.md): Piper PA-12 · White Sulphur Springs, MT · Accident · No injuries · Data collection · Final report · Aug 2, 2010 · N3098M · Substantial damage
  > The pilot’s loss of directional control while attempting to avoid a herd of antelope crossing the runway during the landing rollout.
- [NTSB SEA07LA024](https://openairdocs.org/ntsb/SEA07LA024.md): Cessna 152 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Nov 25, 2006 · N93239 · Substantial damage
  > The student pilot's misjudged distance/speed during final approach, which resulted in an overrun during landing roll and collision with a fence.
- [NTSB SEA05CA148](https://openairdocs.org/ntsb/SEA05CA148.md): Piper PA-16 · Park City, MT · Accident · No injuries · Data collection · Final report · Jul 20, 2005 · N5942H · Substantial damage
  > The failure of the pilot to maintain directional control of the airplane on the takeoff roll. Factors contributing to the accident included the loose gravel, ditch, and the fence.
- [NTSB SEA04LA067](https://openairdocs.org/ntsb/SEA04LA067.md): Champion 7ECA · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N5235X · Substantial damage
  > The pilot's failure to perform a go-around. Contributing factors were the pilot's misjudgment of speed and distance and the tree.
- [NTSB SEA04LA044](https://openairdocs.org/ntsb/SEA04LA044.md): Piper PA-20 · Laurel, MT · Accident · No injuries · Limited investigation · Final report · Feb 24, 2004 · N7321K · Substantial damage
  > The student pilot's failure to maintain aircraft control during the landing roll. Inadequate remedial action was a factor.
- [NTSB SEA03LA065](https://openairdocs.org/ntsb/SEA03LA065.md): Piper PA-38 · Trident, MT · Accident · No injuries · Limited investigation · Final report · Apr 20, 2003 · N9705T · Substantial damage
  > Fuel exhaustion while in cruise flight due to inadequate preflight planning / preparation. A fence was a factor.
- [NTSB SEA03LA057](https://openairdocs.org/ntsb/SEA03LA057.md): Cessna 152 · Butte, MT · Accident · No injuries · Limited investigation · Final report · Apr 7, 2003 · N48733 · Destroyed
  > The pilot's inadequate compensation for gusty variable wind conditions and his improper flare. Factors include gusty and variable winds.
- [NTSB SEA01LA128](https://openairdocs.org/ntsb/SEA01LA128.md): Tibert Baby Lakes · Stevensville, MT · Accident · No injuries · Limited investigation · Final report · Jul 7, 2001 · N94AT · Substantial damage
  > The pilot's failure to maintain directional control of the tailwheel-equipped aircraft during the landing roll. Factors include the pilot's low total time in this make and model aircraft and his lack of recent experience in this make and model aircraft.
- [NTSB SEA01LA122](https://openairdocs.org/ntsb/SEA01LA122.md): Piper PA-38-112 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Jun 27, 2001 · N9341T · 2 aircraft · Substantial damage
  > The pilot of another aircraft failed to maintain clearance while maneuvering for a formation flight. An updraft was a factor.
- [NTSB SEA00LA044](https://openairdocs.org/ntsb/SEA00LA044.md): Cessna 152 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Feb 16, 2000 · N757XG · Substantial damage
  > Directional control was not maintained. Inadequate remedial action was a factor.
- [NTSB SEA99LA017](https://openairdocs.org/ntsb/SEA99LA017.md): Champion 7ECA · Jardine, MT · Accident · No injuries · Limited investigation · Final report · Nov 27, 1998 · N8306V · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance with trees and terrain. Contributing factors were unfavorable winds, mountainous terrain and trees.
- [NTSB SEA98LA037](https://openairdocs.org/ntsb/SEA98LA037.md): Piper PA-11 · Bridger, MT · Accident · Minor injuries · Limited investigation · Final report · Feb 15, 1998 · N947MG · Substantial damage
  > The student pilot's failure to maintain airspeed during a bounced landing recovery.
- [NTSB SEA97LA103](https://openairdocs.org/ntsb/SEA97LA103.md): Cessna 152 · Deer Lodge, MT · Accident · No injuries · Limited investigation · Final report · May 9, 1997 · N714VL · Substantial damage
  > The pilot's improper decision to abort the takeoff, and his improper use of brakes during the abort. A factor contributing to the accident was the pilot's failure to maintain directional control during the takeoff roll.
- [NTSB SEA96LA096](https://openairdocs.org/ntsb/SEA96LA096.md): Tilbert Baby Great Lakes · Stevensville, MT · Accident · No injuries · Limited investigation · Final report · May 20, 1996 · N94AT · Substantial damage
  > the pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in loss of directional control and an inadvertent ground swerve. Factors relating to the accident were: the adverse wind conditions (crosswind and gusts),…
- [NTSB SEA94LA019](https://openairdocs.org/ntsb/SEA94LA019.md): Piper PA-12 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Oct 22, 1993 · N3568M · Substantial damage
  > The pilot's improper recovery from a bounced landing, and failure to maintain directional control of the airplane. Factors related to the accident were: the pilot's improper flare for landing, the resultant porpoise, and the ditch near the side of the runway.
- [NTSB DEN90LA082](https://openairdocs.org/ntsb/DEN90LA082.md): Piper PA-18-150 · Whitewater, MT · Accident · No injuries · Limited investigation · Final report · Mar 28, 1990 · N7134K · Substantial damage
  > Pilot's delayed use of carburetor heat and the subsequent induction icing related partial power loss. Contributing factors were the carburetor icing conditions and the unsuitable terrain in which the forced landing was performed.
- [NTSB DEN87LA030](https://openairdocs.org/ntsb/DEN87LA030.md): Piper PA-12 · Opheim, MT · Accident · No injuries · Limited investigation · Final report · Dec 15, 1986 · N78588 · Substantial damage
  > The plt elected to take off downhill because he said the hill was too steep to try a takeoff uphill even into the wind. He said that just prior to lift off, he hit a snowbank which slowed the acft down. Deeper snow was then contacted and the acft flipped over.
- [NTSB DEN87LA027](https://openairdocs.org/ntsb/DEN87LA027.md): Cessna 152A · Great Falls, MT · Accident · No injuries · Limited investigation · Final report · Dec 2, 1986 · N4784A · Substantial damage
  > The student plt was cleared to make a touch-&-go landing on rwy 21. As he was lndg, he noticed the arresting barrier (cable) was raised. He added full pwr & pulled back on the yoke to avoid hitting the cable. The acft lifted off, but its tail hit the cable.…
- [NTSB DEN86LA247](https://openairdocs.org/ntsb/DEN86LA247.md): Grumman AA-1A · Chinook, MT · Accident · Minor injuries · Limited investigation · Final report · Sep 4, 1986 · N6401L · Substantial damage
  > The acft took off on a 3900-foot dry asphalt rwy. An uncommanded left yaw developed which the plt was unable to counter. The acft struck a fence off the left side of the rwy and nosed over.
- [NTSB DEN86LA086](https://openairdocs.org/ntsb/DEN86LA086.md): Cessna 152 · Wisdom, MT · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1986 · N69043 · Substantial damage
  > The student plt departed minden, NV on an unauthorized x-co flt that terminated in the accident at Wisdom, MT. During the landing roll at an abandoned arpt at Wisdom, the nose of the acft dug into the snow covered runway and the acft nosed over. The plt…
- [NTSB DEN85LA082](https://openairdocs.org/ntsb/DEN85LA082.md): Cessna 152 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Feb 15, 1985 · N24950 · Substantial damage
  > The acft collided with a snowbank during the landing roll following a loss of directional control. The plt reported that the left brake froze or locked up when it was applied during the landing. Inspection revealed that there was a substantial amount of ice…
- [NTSB DEN84LA305](https://openairdocs.org/ntsb/DEN84LA305.md): Cessna 152 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 30, 1984 · N93239 · Substantial damage
  > Plt flared abruptly and acft floated before it touched down hard on the rwy collapsing the nose gear. Acft traveled 20 ft off the right side of the rwy before coming to rest.
- [NTSB DEN84LA141](https://openairdocs.org/ntsb/DEN84LA141.md): Cessna 152 · Billings, MT · Accident · No injuries · Limited investigation · Final report · May 1, 1984 · N94156 · Substantial damage
  > During a crosswind takeoff the right wing began to raise just as the plt was thinking about rotating. This startled him & he aborted the takeoff. The acft departed the left side of the rwy & flipped over on its back.
- [NTSB DEN84LA063](https://openairdocs.org/ntsb/DEN84LA063.md): Cessna 152 · Homestead, MT · Accident · Serious injuries · Limited investigation · Final report · Jan 5, 1984 · N25230 · Destroyed
  > The acft crashed from an altitude of 200 ft while maneuvering over a creek. The acft was overloaded by 135 lbs with 2 occupants and full fuel. There were no FAA records found on the plt.
- [NTSB DEN83FTI04](https://openairdocs.org/ntsb/DEN83FTI04.md): Cessna 152 · Hamilton, MT · Accident · 2 fatal · Final report · May 23, 1983 · N5112Q · Destroyed
  > The acft was flying uphill at low alt when it struck the top of 4 trees and impacted the ground about 40 yards away inverted with power on at low airspeed. The elevation at the crash site was about 6000 ft MSL with the tops of the terrain in the direction of…
- [NTSB DEN82DA183](https://openairdocs.org/ntsb/DEN82DA183.md): American AA1 · Opheim, MT · Accident · 1 fatal · Final report · Sep 4, 1982 · N6130L · Destroyed
  > The pilot tookoff and made a pass over the airport. At about 500 feet the aircraft began to roll and spun to ground impact. Investigation revealed the pilot was apparently maneuvering and wing dipping for his friends on the ground when the stall occurred.
- [NTSB DEN80FTA22](https://openairdocs.org/ntsb/DEN80FTA22.md): Piper PA-18 · Alzada, MT · Accident · No injuries · Closed · May 17, 1980 · N7671D · Substantial damage
- [NTSB SEA79FA003](https://openairdocs.org/ntsb/SEA79FA003.md): Piper PA-18S · Bozeman, MT · Accident · 2 fatal · Closed · Oct 13, 1978 · N302T · Destroyed
- [NTSB SEA76DTI34](https://openairdocs.org/ntsb/SEA76DTI34.md): Bellanca 7ECA · Alder, MT · Accident · Serious injuries · Closed · Jul 29, 1976 · N8662 · Substantial damage
- [NTSB SEA74DTI02](https://openairdocs.org/ntsb/SEA74DTI02.md): Piper PA-12 · Ennis, MT · Accident · No injuries · Closed · Jul 6, 1973 · N78495 · Substantial damage
- [NTSB SEA72DTI02](https://openairdocs.org/ntsb/SEA72DTI02.md): Aeronca 7AC · Conrad, MT · Accident · No injuries · Closed · Jul 10, 1971 · N84458 · Substantial damage
- [NTSB SEA71FDA17](https://openairdocs.org/ntsb/SEA71FDA17.md): Piper PA-11 · Alzada, MT · Accident · No injuries · Closed · Mar 11, 1971 · N4532M · Substantial damage
- [NTSB SEA71DDA03](https://openairdocs.org/ntsb/SEA71DDA03.md): Piper PA-18 · Lavina, MT · Accident · No injuries · Closed · Aug 4, 1970 · N5480H · Substantial damage
- [NTSB SEA70FDA05](https://openairdocs.org/ntsb/SEA70FDA05.md): Aeronca 7DC · Wibaux, MT · Accident · No injuries · Closed · Mar 15, 1970 · N84032 · Substantial damage
- [NTSB SEA67D0142](https://openairdocs.org/ntsb/SEA67D0142.md): Champion 7ECA · Lewistown, MT · Accident · No injuries · Closed · Jun 28, 1966 · N8306V · Substantial damage
- [NTSB SEA66D0224](https://openairdocs.org/ntsb/SEA66D0224.md): Piper PA-18 · Lloyd, MT · Accident · No injuries · Closed · Feb 14, 1966 · N5486H · 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 ('41505'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41505&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.