# NTSB investigations: Lycoming 0-235 series, OK

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.

Page 1 of 2 · 83 cases

## Latest cases

- [NTSB CEN25LA201](https://openairdocs.org/ntsb/CEN25LA201.md): Lancair 235 · Pawhuska, OK · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2025 · N25DB · Substantial damage
  > The pilot’s failure to properly configure the airplane for landing.
- [NTSB CEN24LA158](https://openairdocs.org/ntsb/CEN24LA158.md): Jacobson SE5A Replica · Luther, OK · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2024 · N124BM · Substantial damage
  > The pilot’s failure to use carburetor heat, which resulted in fuel starvation during the initial climb, a loss of engine power, and impact with terrain.
- [NTSB CEN21LA311](https://openairdocs.org/ntsb/CEN21LA311.md): Eslinger C W/Eslinger S M Cassutt · Pryor, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N8277S · Substantial damage
  > The pilot’s high flare and failure to execute a go-around which resulted in a hard landing and runway excursion.
- [NTSB GAA17CA173](https://openairdocs.org/ntsb/GAA17CA173.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Mar 2, 2017 · N6138Q · Substantial damage
  > The student pilot’s loss of directional control.
- [NTSB GAA16CA116](https://openairdocs.org/ntsb/GAA16CA116.md): Cessna 152 · Durant, OK · Accident · No injuries · Data collection · Final report · Jan 29, 2016 · N5101P · Substantial damage
  > The pilot's failure to maintain pitch control during the landing, resulting in a porpoise.
- [NTSB CEN15CA121](https://openairdocs.org/ntsb/CEN15CA121.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Jan 22, 2015 · N6300Q · Substantial damage
  > The pilot's improper landing technique which resulted in a hard landing and subsequent nose landing gear collapse.
- [NTSB CEN12LA314](https://openairdocs.org/ntsb/CEN12LA314.md): Cessna 152 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · May 21, 2012 · N6102Q · Substantial damage
  > The student pilot's improper configuration of the airplane flaps during an aborted landing, which resulted in an inadequate climb rate and subsequent collision with trees.
- [NTSB CEN09CA387](https://openairdocs.org/ntsb/CEN09CA387.md): Cessna 152 · Oklahoma City, OK · Accident · No injuries · Data collection · Final report · Jun 24, 2009 · N67797 · Substantial damage
  > The pilot's failure to maintain control of the airplane during landing.
- [NTSB CEN09LA168](https://openairdocs.org/ntsb/CEN09LA168.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Feb 14, 2009 · N6300Q · Substantial damage
  > The pilot's improper flare and recovery from a bounced landing.
- [NTSB DEN08CA126](https://openairdocs.org/ntsb/DEN08CA126.md): Cessna 152 · Mc Alester, OK · Accident · No injuries · Data collection · Final report · Jul 19, 2008 · N6293H · Substantial damage
  > The student pilot's improper flare and improper recovery from a bounced landing.
- [NTSB DFW08CA163](https://openairdocs.org/ntsb/DFW08CA163.md): Cessna CE-152 · Foss, OK · Accident · No injuries · Data collection · Final report · Jun 10, 2008 · N95028 · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB DFW08CA044](https://openairdocs.org/ntsb/DFW08CA044.md): Cessna 152 · Madill, OK · Accident · No injuries · Data collection · Final report · Nov 30, 2007 · N6135M · Substantial damage
  > The pilot failed to maintain directional control during landing roll. A contributing factor was the crosswind.
- [NTSB DFW08CA028](https://openairdocs.org/ntsb/DFW08CA028.md): Cessna 152 · Ardmore, OK · Accident · No injuries · Data collection · Final report · Nov 8, 2007 · N4830B · Substantial damage
  > The pilot's improper landing flare which resulted in a hard landing.
- [NTSB DFW07CA058](https://openairdocs.org/ntsb/DFW07CA058.md): Cessna 152 · McAlester, OK · Accident · No injuries · Data collection · Final report · Jan 24, 2007 · N49053 · Substantial damage
  > The student pilot's improper recovery from a bounced landing resulting in the collapse of the nose landing gear.
- [NTSB DFW05CA224](https://openairdocs.org/ntsb/DFW05CA224.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Data collection · Final report · Aug 29, 2005 · N4670B · Substantial damage
  > The pilot's improper recovery from a bounced landing. A contributing factor was the dark night conditions.
- [NTSB DFW05CA164](https://openairdocs.org/ntsb/DFW05CA164.md): Cessna 152 · Burneyville, OK · Accident · No injuries · Data collection · Final report · Jun 16, 2005 · N93206 · Substantial damage
  > The students pilot's improper flare and his failure to maintain directional control of the airplane. A contributing factor was the bounced landing.
- [NTSB DFW05CA154](https://openairdocs.org/ntsb/DFW05CA154.md): Cessna 152 · Marietta, OK · Accident · No injuries · Data collection · Final report · Jun 11, 2005 · N47962 · Substantial damage
  > The pilot's failure to maintain directional control while executing a soft field take off. A factor was the prevailing dark night conditions.
- [NTSB DFW05LA106](https://openairdocs.org/ntsb/DFW05LA106.md): Piper PA-18-105 · Perry, OK · Accident · No injuries · Limited investigation · Final report · Apr 21, 2005 · N228T · Substantial damage
  > A loss of engine power for undetermined reasons. A contributing factor was collision with a piece of farm equipment.
- [NTSB DFW05CA101](https://openairdocs.org/ntsb/DFW05CA101.md): Cessna 152 · Stillwater, OK · Accident · No injuries · Data collection · Final report · Apr 8, 2005 · N68472 · Substantial damage
  > The student pilot's failure to maintain directional control during landing.
- [NTSB DFW05CA097](https://openairdocs.org/ntsb/DFW05CA097.md): Cessna 152 · Shawnee, OK · Accident · No injuries · Data collection · Final report · Apr 2, 2005 · N5086Q · Substantial damage
  > The pilot's improper landing flare and his inadequate recovery from a bounced landing. A factor was the prevailing crosswind.
- [NTSB FTW04LA114](https://openairdocs.org/ntsb/FTW04LA114.md): Piper PA-38-112 · Seminole, OK · Accident · No injuries · Limited investigation · Final report · Apr 25, 2004 · N6228A · Destroyed
  > The pilot's inadequate pre-flight planning. A contributing factor was the pilot's use of unsuitable terrain for takeoff.
- [NTSB FTW03LA127](https://openairdocs.org/ntsb/FTW03LA127.md): Cessna 152 · Durant, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 2003 · N116SS · Substantial damage
  > The student pilot's improper landing flare resulting in a hard landing and his improper recovery procedures for a bounced landing.
- [NTSB FTW03LA009](https://openairdocs.org/ntsb/FTW03LA009.md): Cessna 152 · Tulsa, OK · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 2002 · N520SU · Substantial damage
  > The pilot's improper recovery from a bounced landing and his failure to maintain airspeed. A contributing factor was the pilot's failure to align with the runway.
- [NTSB FTW02LA254](https://openairdocs.org/ntsb/FTW02LA254.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Sep 6, 2002 · N94112 · Substantial damage
  > the pilot's improper recovery from a bounced landing, which resulted in a hard landing.
- [NTSB FTW02LA073](https://openairdocs.org/ntsb/FTW02LA073.md): Cessna 152 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Jan 26, 2002 · N47802 · Substantial damage
  > the instructor pilot's delayed go-around which resulted in an in-flight collision with trees. A contributing factor to the accident was the instructor pilot's fatigued condition due to lack of sleep.
- [NTSB FTW02LA021](https://openairdocs.org/ntsb/FTW02LA021.md): Cessna 152 · Bethany, OK · Accident · No injuries · Limited investigation · Final report · Oct 26, 2001 · N67797 · Substantial damage
  > the mechanic's failure to properly lock the exhaust valve's clearance adjusting screw locknut, which resulted in a loose nut, disabling of the exhaust valve pushrod, and a partial loss of engine power while in cruise flight. A contributing factor was the…
- [NTSB FTW01LA078](https://openairdocs.org/ntsb/FTW01LA078.md): Cessna 152 · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 2001 · N757GP · Destroyed
  > the loss of engine power during the initial takeoff climb for an undetermined reason, which resulted in a forced landing. A contributory factor to the accident was the lack of suitable terrain for the forced landing.
- [NTSB FTW01LA045](https://openairdocs.org/ntsb/FTW01LA045.md): Cessna 152 · Bristow, OK · Accident · No injuries · Limited investigation · Final report · Jan 4, 2001 · N68472 · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions, which resulted in the airplane striking a snow bank during the landing flare/touchdown. A factor was the crosswind weather condition.
- [NTSB FTW98LA346](https://openairdocs.org/ntsb/FTW98LA346.md): Cessna 152 · Norman, OK · Accident · No injuries · Limited investigation · Final report · Aug 3, 1998 · N93116 · Substantial damage
  > The student pilot's delayed landing flare resulting in a hard landing and his improper recovery procedures for a bounced landing.
- [NTSB FTW98LA132](https://openairdocs.org/ntsb/FTW98LA132.md): Cessna 152 · Norman, OK · Accident · No injuries · Limited investigation · Final report · Feb 20, 1998 · N5128Q · Substantial damage
  > Fuel exhaustion due to the student pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW98LA124](https://openairdocs.org/ntsb/FTW98LA124.md): Piper PA-22-108 · Frederick, OK · Accident · No injuries · Limited investigation · Final report · Feb 3, 1998 · N4654Z · Substantial damage
  > The loss of wheel brakes due to the failure of the brake actuating cable. A factor was the tailwind.
- [NTSB FTW98LA023](https://openairdocs.org/ntsb/FTW98LA023.md): Cessna 152 · Norman, OK · Accident · No injuries · Limited investigation · Final report · Oct 18, 1997 · N93116 · Substantial damage
  > The pilot's improper flare and improper recovery from a bounced landing, which resulted in a porpoise and subsequent collapse of the nose gear.
- [NTSB FTW97LA152](https://openairdocs.org/ntsb/FTW97LA152.md): Piper PA-38-112 · Stillwater, OK · Accident · No injuries · Limited investigation · Final report · Mar 29, 1997 · N194BA · Substantial damage
  > the pilot's inadequate compensation for the wind conditions, and his failure to maintain directional control, which resulted in a ground swerve and collapse of the nose gear. The crosswind was a related factor.
- [NTSB FTW97LA095](https://openairdocs.org/ntsb/FTW97LA095.md): Piper PA-38-112 · Boswell, OK · Accident · Minor injuries · Limited investigation · Final report · Jan 30, 1997 · N2493A · Substantial damage
  > The student pilot's improper inflight planning and decision, after becoming lost/disoriented, which resulted in fuel exhaustion, before landing in a suitable landing area. Factors relating to the accident were: the pilot of another aircraft did not accurately…
- [NTSB FTW96LA287](https://openairdocs.org/ntsb/FTW96LA287.md): Cessna 421B · Stillwater, OK · Accident · No injuries · Limited investigation · Final report · Jul 2, 1996 · N450SU · 2 aircraft · Substantial damage
  > the failure of the pilots of the Cessna 421B, N450SU, and the Cessna 152, N94532, to maintain visual lookout. Factors were: the inadequate radio communications maintained by both pilots, and the failure of the student pilot of the Cessna 152 to take evasive…
- [NTSB FTW96LA036](https://openairdocs.org/ntsb/FTW96LA036.md): Cessna 152 · Marietta, OK · Accident · No injuries · Limited investigation · Final report · Nov 1, 1995 · N49131 · Substantial damage
  > the pilot's failure to maintain directional control. A factor was the wet grass runway.
- [NTSB FTW93LA050](https://openairdocs.org/ntsb/FTW93LA050.md): Cessna 150 · Norman, OK · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 1992 · N6539L · Substantial damage
  > The pilot's failure to refuel the airplane and power loss due to fuel exhaustion. Factors were the dark night and lack of suitable terrain.
- [NTSB FTW92LA176](https://openairdocs.org/ntsb/FTW92LA176.md): Cessna 152 · Marietta, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1992 · N4957P · Substantial damage
  > Engine power loss for undetermined reasons.
- [NTSB FTW91LA063](https://openairdocs.org/ntsb/FTW91LA063.md): Cessna 152 · Durant, OK · Accident · No injuries · Limited investigation · Final report · Apr 10, 1991 · N116SS · Substantial damage
  > The pilot's failure to maintain proper alignment during the flare.
- [NTSB FTW89IA168](https://openairdocs.org/ntsb/FTW89IA168.md): Cessna 152 · Bethany, OK · Incident · No injuries · Incident investigation · Final report · Sep 15, 1989 · N94808 · 2 aircraft · Minor damage
  > Failure of the Cessna 150 pilot to see-and-avoid the Cessna 152 (inadequate visual lookout), and failure of the tower controller to provide adequate service. Factors related to the accident were: high traffic density, which resulted in frequency congestion,…
- [NTSB FTW89LA009](https://openairdocs.org/ntsb/FTW89LA009.md): Cessna 152 · Muskogee, OK · Accident · No injuries · Limited investigation · Final report · Oct 26, 1988 · N4715B · Substantial damage
  > Acft's left wing struck a truck that was parked adjacent to the taxiway. After initial impact, the acft veered left and the nose also struck the truck. The plt stated that he was concentrating on a ramp sweeper that was moving down the taxiway in front of the…
- [NTSB FTW88DPJ09](https://openairdocs.org/ntsb/FTW88DPJ09.md): Cessna 152 · Skiatook, OK · Accident · No injuries · Final report · Aug 6, 1988 · N53321 · Substantial damage
  > The student pilot landed her aircraft on the last half of the runway. She added power and retracted the flaps when she decided to abort the landing and go around. She subsequently decided to abort the go around and pulled off the power. There was insufficient…
- [NTSB FTW88LA113](https://openairdocs.org/ntsb/FTW88LA113.md): Cessna 152 · Hinton, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 1, 1988 · N25352 · Substantial damage
  > The pilot departed bethany, Oklahoma on a local pleasure flight with the fuel tanks slightly less than 1/2 full. After about a 1.5 hour flight, he landed at the red rock airport in Hinton, Oklahoma. No service was performed on the aircraft while in Hinton and…
- [NTSB FTW88LA067](https://openairdocs.org/ntsb/FTW88LA067.md): Piper PA-38-112 · Washington, OK · Accident · No injuries · Limited investigation · Final report · Feb 19, 1988 · N9331T · Substantial damage
  > The student pilot received dual instruction in crosswind takeoffs and landings after which the instructor pilot deplaned to observe the student. The student lost directional control on the first takeoff attempt and the aircraft collided with a ditch after…
- [NTSB FTW87LA155](https://openairdocs.org/ntsb/FTW87LA155.md): Cessna 152 · Farris, OK · Accident · No injuries · Limited investigation · Final report · Jun 30, 1987 · N49131 · Substantial damage
  > The plt rprtd that drg a x-country flt, he got lost & the acft ran low on fuel. At dusk, he elected to make a precautionary landing in a open field. Drg the landing, the acft struck a tree & was damaged.
- [NTSB FTW87LA117](https://openairdocs.org/ntsb/FTW87LA117.md): Cessna 152 · Okmulgee, OK · Accident · No injuries · Limited investigation · Final report · May 10, 1987 · N4922P · Substantial damage
  > During a normal uneventful approach, and upon touchdown, the aircraft's nose gear collapsed for undetermined reasons. The aircraft slid to a stop causing substantial damage.
- [NTSB FTW86LA125](https://openairdocs.org/ntsb/FTW86LA125.md): Cessna 152 · Broken Arrow, OK · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 1986 · N65548 · Destroyed
  > The pilot made his takeoff from the intersection of a cinder packed runway, allowing only 900 feet before the end of the runway. Gross weight of the aircraft at the time of the accident was 1,700 lbs.; maximum gross weight of the aircraft is 1,670. The…
- [NTSB FTW86LA123](https://openairdocs.org/ntsb/FTW86LA123.md): Cessna 152 · Porum, OK · Accident · No injuries · Limited investigation · Final report · Jul 7, 1986 · N47802 · Substantial damage
  > The student pilot became disoriented during a cross-country flight. He was unable to find an airport and had to land in a field due to fuel exhaustion. During the attempted landing he had to maneuver to avoid a herd of cows and collided with a concrete fence…
- [NTSB FTW85LA208](https://openairdocs.org/ntsb/FTW85LA208.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · May 4, 1985 · N6593L · Substantial damage
  > The student plt was on a local instructional flt practicing solo landings. He stated he made a hard landing and the acft bounced with the nose gear ass'y separating allowing the acft to be substantially damaged. The left wing ass'y received substantial damage.
- [NTSB FTW84LA371](https://openairdocs.org/ntsb/FTW84LA371.md): Cessna 152 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1984 · N89099 · Substantial damage
  > Plt lost control after a hard, right-wind-down landing. Acft porpoised, collapsing the nose gear and came to rest nose down.

Next page: https://openairdocs.org/ntsb.md?engine=41505&state=OK&page=2

## 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" = 'OK' 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=OK

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