# NTSB investigations, 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 14 of 56 · 2,799 cases

## Cases, newest first

- [NTSB FTW97LA254](https://openairdocs.org/ntsb/FTW97LA254.md): North American NA-265-80 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Jul 5, 1997 · N100EJ · Substantial damage
  > The failure of maintenance personnel to mask the gear locking pins prior to painting the airplane which resulted in the right main gear locking pin jamming in the unlocked position due to contamination with paint. A factor was the failure of maintenance…
- [NTSB FTW97LA240](https://openairdocs.org/ntsb/FTW97LA240.md): Ercoupe Ercoupe 415-C · Ardmore, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 1997 · N2308H · Substantial damage
  > The pilot's failure to maintain clearance from the power line. Factors were his improper decision to continue the flight after he noted a loss of engine power during initial takeoff climb and the loss of engine power for an undetermined reason.
- [NTSB FTW97LA228](https://openairdocs.org/ntsb/FTW97LA228.md): Rockwell S-2R · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1997 · N4859X · Destroyed
  > loss of engine power for undetermined reason(s). A factor relating to the accident was: the lack of suitable terrain for a forced landing.
- [NTSB FTW97LA211](https://openairdocs.org/ntsb/FTW97LA211.md): Beech 58 · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1997 · N22SS · Substantial damage
  > The pilot's impairment of judgment and performance due to alcohol which led to an attempted takeoff in an airplane without an elevator installed.
- [NTSB FTW97FA199](https://openairdocs.org/ntsb/FTW97FA199.md): Beech V35 · Shawnee, OK · Accident · 3 fatal · Field investigation · Final report · May 23, 1997 · N5459U · Destroyed
  > The pilot's inadvertent entry into a spin. A factor was the pilot's initiated flight into adverse weather.
- [NTSB FTW97LA178](https://openairdocs.org/ntsb/FTW97LA178.md): Rans S-12 · Goldsby, OK · Accident · Serious injuries · Limited investigation · Final report · Apr 23, 1997 · UNREG · Destroyed
  > the pilot-in-command's improper judgment in allowing the passenger to control the airplane, and the pilot-in-command's inadequate supervision. Factors relating to the accident were: the passenger's failure to maintain minimum required airspeed, which resulted…
- [NTSB FTW97LA164](https://openairdocs.org/ntsb/FTW97LA164.md): Cessna 150F · Norman, OK · Accident · No injuries · Limited investigation · Final report · Apr 21, 1997 · N3101X · Substantial damage
  > Improper flare.
- [NTSB FTW97LA156](https://openairdocs.org/ntsb/FTW97LA156.md): Rockwell 114 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 1997 · N4861W · Destroyed
  > The exhaust manifold cracking due to the pilot's inadequate maintenance modification of the exhaust system which resulted in a fire. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW97LA153](https://openairdocs.org/ntsb/FTW97LA153.md): Mooney M20F · Marietta, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 6, 1997 · N6492Q · Substantial damage
  > The pilot's inadequate short field takeoff. A factor was the pilot's lack of recent experience in short field takeoffs from a grass/turf runway.
- [NTSB FTW97LA149](https://openairdocs.org/ntsb/FTW97LA149.md): Beech D35 · Bartlesville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 3, 1997 · N940MD · Substantial damage
  > the pilot's selection of an empty fuel tank, which resulted in fuel starvation and loss of engine power. A factor relating to the accident was: the pilot's lack of familiarity with the aircraft.
- [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 FTW97LA146](https://openairdocs.org/ntsb/FTW97LA146.md): Beech G33 · Bixby, OK · Accident · No injuries · Limited investigation · Final report · Mar 28, 1997 · N166B · Substantial damage
  > failure of a number two connecting rod bolt, possibly from being either over-torqued or under-torqued during installation, and failure of the pilot to see-and-avoid the transmission line, while performing a forced landing.
- [NTSB FTW97FA135](https://openairdocs.org/ntsb/FTW97FA135.md): Teschendorf Cassutt Sport · Stilwell, OK · Accident · 1 fatal · Field investigation · Final report · Mar 20, 1997 · N86T · Destroyed
  > failure of the right wing spar and/or debonding of the right wing skin, which resulted in separation of the wing skin and a portion of the right wing, during high speed flight. Factors related to the accident were: previous wing damage and inadequate…
- [NTSB FTW97LA116](https://openairdocs.org/ntsb/FTW97LA116.md): Cessna 172P · Cleveland, OK · Accident · No injuries · Limited investigation · Final report · Mar 10, 1997 · N65753 · Substantial damage
  > The pilot/mechanic's improper installation of the spark plug, resulting in its separation from the engine. A factor was the unsuitable terrain available in the runway's overrun area.
- [NTSB FTW97LA117](https://openairdocs.org/ntsb/FTW97LA117.md): Grumman G-164 · Newkirk, OK · Accident · No injuries · Limited investigation · Final report · Mar 6, 1997 · N527Y · Substantial damage
  > The partial loss of engine power due to failure of the blower (integral supercharger). A factor was the power line over which the pilot had to maneuver during the forced landing which resulted in insufficient airspeed to flare the airplane.
- [NTSB FTW97FA100](https://openairdocs.org/ntsb/FTW97FA100.md): Piper PA-28-200 · Lone Wolf, OK · Accident · 3 fatal · Field investigation · Final report · Feb 3, 1997 · N33322 · Destroyed
  > the pilot's impairment of judgment and performance due to drugs, his resultant improper planning/decision, and his failure to maintain sufficient altitude (clearance above a lake), while performing aerobatic flight. Factors relating to the accident were: the…
- [NTSB FTW97FA097](https://openairdocs.org/ntsb/FTW97FA097.md): Cessna 152 · Guthrie, OK · Accident · 2 fatal · Field investigation · Final report · Jan 31, 1997 · N5366B · Destroyed
  > The flight instructor's failure to obtain/maintain clearance with the power line. A factor was the sunglare from the setting sun, which could have impaired the flight instructor's ability to see the power line.
- [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 FTW97LA087](https://openairdocs.org/ntsb/FTW97LA087.md): Piper PA-28-140 · Sulphur, OK · Accident · No injuries · Limited investigation · Final report · Jan 23, 1997 · N15754 · Substantial damage
  > The loss of engine power due to fuel starvation and the pilot's improper use of the fuel tank selector. Factors were the pilot's failure to follow the checklist and the lack of suitable terrain for the forced landing.
- [NTSB FTW97IA084](https://openairdocs.org/ntsb/FTW97IA084.md): Boeing 727-100 · Oklahoma City, OK · Incident · No injuries · Incident investigation · Final report · Jan 22, 1997 · N198FE · No damage
  > existence of fumes from the cargo compartment and activation of the cargo smoke detector for undetermined reasons.
- [NTSB FTW97LA064](https://openairdocs.org/ntsb/FTW97LA064.md): Cessna P210N · Muskogee, OK · Accident · Serious injuries · Limited investigation · Final report · Dec 18, 1996 · N210BG · Substantial damage
  > the pilot's improper planning/decision and inaccurate fuel consumption calculations, which resulted in an inadequate supply of fuel, fuel exhaustion, and a subsequent forced landing at night. Darkness was a related factor.
- [NTSB FTW97LA062](https://openairdocs.org/ntsb/FTW97LA062.md): Luscombe 8E · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Dec 11, 1996 · N77974 · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the pilot to execute the forced landing.
- [NTSB FTW97LA057](https://openairdocs.org/ntsb/FTW97LA057.md): Gilbert Rutan Vari EZE · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Nov 10, 1996 · N18VE · Substantial damage
  > The pilot's failure to follow proper starting procedures and set the throttle to idle before hand propping.
- [NTSB FTW97LA036](https://openairdocs.org/ntsb/FTW97LA036.md): Cessna 150M · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Nov 10, 1996 · N8960U · Substantial damage
  > Fuel exhaustion due the student pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW97LA041](https://openairdocs.org/ntsb/FTW97LA041.md): Cessna 172RG · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Nov 1, 1996 · N9520B · Substantial damage
  > The failure of the main landing gear pivot gear assembly.
- [NTSB FTW97LA008](https://openairdocs.org/ntsb/FTW97LA008.md): Cessna 172M · Tuttle, OK · Accident · No injuries · Limited investigation · Final report · Oct 5, 1996 · N172JF · Substantial damage
  > failure of the pilot to maintain directional control during takeoff roll, which resulted in a ground swerve. Factors relating to the accident were: tall grass along the edges of the runway, and the proximity of the fence, fence posts, and trees.
- [NTSB FTW97LA007](https://openairdocs.org/ntsb/FTW97LA007.md): Hispano Aviacion HA-200 Saeta · Elk City, OK · Accident · No injuries · Limited investigation · Final report · Oct 5, 1996 · N3179K · Substantial damage
  > The loss of aircraft control due to a fuel imbalance as a result of a partial failure of the fuel jettison system. A factor was that fuel could not be transferred from the left wing tip fuel tank to the rear fuselage fuel tank.
- [NTSB FTW96LA363](https://openairdocs.org/ntsb/FTW96LA363.md): Cessna 150M · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 1996 · N9253U · Substantial damage
  > the student pilot's inadequate preflight planning/preparation, and subsequent fuel exhaustion due to an inadequate supply of fuel. Factors relating to the accident were: the student's lack of experience in this make and model of aircraft, darkness, and lack…
- [NTSB FTW96LA358](https://openairdocs.org/ntsb/FTW96LA358.md): Piper PA-28-235 · Tulsa, OK · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 1996 · N8565W · Substantial damage
  > low fluid level in the hydraulic reservoir, due to inadequate maintenance/inspection, which resulted in an inoperative brake system. Factors relating to the accident were: the down sloping runway, and trees at the departure end of the runway.
- [NTSB FTW96LA345](https://openairdocs.org/ntsb/FTW96LA345.md): Cessna 210-5 · Muskogee, OK · Accident · No injuries · Limited investigation · Final report · Aug 7, 1996 · N8139Z · Substantial damage
  > loss of engine power due to fuel contamination. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB FTW96LA327](https://openairdocs.org/ntsb/FTW96LA327.md): Beech 95-B55B · Kingfisher, OK · Accident · No injuries · Limited investigation · Final report · Jul 29, 1996 · N8576R · Substantial damage
  > the pilot's misjudgment of distance and speed, and his failure to attain a proper touchdown point, while landing. Related factors were: the short/wet runway, and uneven terrain and ditch beyond the end of the runway.
- [NTSB FTW96LA326](https://openairdocs.org/ntsb/FTW96LA326.md): Rockwell International S2R · Tahlequah, OK · Accident · No injuries · Limited investigation · Final report · Jul 25, 1996 · N4886X · Substantial damage
  > the pilot's failure to refuel the airplane resulting in fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW96LA318](https://openairdocs.org/ntsb/FTW96LA318.md): Steward Breezy · Owasso, OK · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1996 · N2343 · Substantial damage
  > the pilot's failure to secure his cargo prior to departure. A factor was the lack of suitable terrain available for the forced landing.
- [NTSB FTW96LA312](https://openairdocs.org/ntsb/FTW96LA312.md): Cessna 182A · Skiatook, OK · Accident · No injuries · Limited investigation · Final report · Jul 21, 1996 · N2182G · Substantial damage
  > a loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.
- [NTSB FTW96LA300](https://openairdocs.org/ntsb/FTW96LA300.md): Cessna 172P · Owasso, OK · Accident · No injuries · Limited investigation · Final report · Jul 4, 1996 · N62511 · Substantial damage
  > Inadequate maintenance by maintenance personnel resulting in inoperative brake system during an aborted takeoff. A factor was the downhill runway condition.
- [NTSB FTW96LA298](https://openairdocs.org/ntsb/FTW96LA298.md): Beech 95-A55 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Jul 3, 1996 · N2992F · Substantial damage
  > The pilot's inadvertent premature retraction of the landing gear during takeoff roll. A factor was inadequate supervision by the safety pilot/flight instructor.
- [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 FTW96LA283](https://openairdocs.org/ntsb/FTW96LA283.md): Piper PA-28-180 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Jun 29, 1996 · N7859W · Substantial damage
  > The student pilot's improper flare during the landing, which resulted in a collapsed nose gear, ground swerve, and collision with an object.
- [NTSB FTW96LA255](https://openairdocs.org/ntsb/FTW96LA255.md): Cessna 152 · Hobart, OK · Accident · No injuries · Limited investigation · Final report · Jun 16, 1996 · N93139 · Substantial damage
  > the pilot became lost/disoriented, and failed to properly use information that was provided by ATC, which resulted in fuel exhaustion and an encounter with soft terrain during an emergency landing. A factor relating to the accident was: the lack of suitable…
- [NTSB FTW96LA249](https://openairdocs.org/ntsb/FTW96LA249.md): American General AG-5B · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Jun 15, 1996 · N115JE · Substantial damage
  > the pilot's improper planning/decision, which resulted in fuel exhaustion and loss of engine power, due to an inadequate supply of fuel. Darkness was a related factor.
- [NTSB FTW96IA248](https://openairdocs.org/ntsb/FTW96IA248.md): Fairchild SA227-DC · Enid, OK · Incident · No injuries · Incident investigation · Final report · Jun 11, 1996 · N850LS · No damage
  > failure of the accessory drive bearing, causing the accessory drive gear teeth to shear and disengage the fuel pump accessory drive shaft, resulting in a disabled fuel pump and subsequent fuel starvation.
- [NTSB FTW96FA234](https://openairdocs.org/ntsb/FTW96FA234.md): Fairchild KR-31 · Bartlesville, OK · Accident · 4 fatal · Field investigation · Final report · Jun 1, 1996 · N7780 · 2 aircraft · Destroyed
  > The failure of each pilot-in-command to maintain visual lookout. Factors were: the lack of each pilot-in-command obtaining/maintaining communication with the control tower, and inadequate lookout by each pilot-rated passenger, the inadequate…
- [NTSB FTW96TA222](https://openairdocs.org/ntsb/FTW96TA222.md): McDonnell Douglas MD-520N · Bethany, OK · Accident · No injuries · Final report · May 16, 1996 · N520DD · Substantial damage
  > The main rotor blades' contact with the tail boom due to gusting winds during rotor deceleration.
- [NTSB FTW96LA204](https://openairdocs.org/ntsb/FTW96LA204.md): Cessna 172G · Okmulgee, OK · Accident · Minor injuries · Limited investigation · Final report · May 9, 1996 · N202EX · Substantial damage
  > The pilot's continued operation with known deficiencies in the airplane and the pilot's and maintenance personnel's failure to comply with an airworthiness directive resulting in the malfunctioning of a worn ignition switch. A factor was trees.
- [NTSB FTW96LA190](https://openairdocs.org/ntsb/FTW96LA190.md): Deaton JUNGSTER-1 · Mcalester, OK · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 1996 · N57GD · Destroyed
  > the pilot's failure to maintain obstacle clearance.
- [NTSB FTW96FA183](https://openairdocs.org/ntsb/FTW96FA183.md): Piper PA-28-151 · Vera, OK · Accident · 4 fatal · Field investigation · Final report · Apr 27, 1996 · N7845C · Destroyed
  > improper installation by unknown person(s) of incorrect exhaust system clamps, which led to an exhaust system disconnect and a subsequent engine compartment fire.
- [NTSB FTW96LA192](https://openairdocs.org/ntsb/FTW96LA192.md): Bell 47D1 · Ardmore, OK · Accident · No injuries · Limited investigation · Final report · Apr 26, 1996 · N5226 · Substantial damage
  > the student's inadvertent dynamic rollover, and inadequate supervision by the flight instructor.
- [NTSB FTW96FA181](https://openairdocs.org/ntsb/FTW96FA181.md): Beech A36 · Oklahoma City, OK · Accident · 1 fatal · Field investigation · Final report · Apr 25, 1996 · N2558W · Destroyed
  > the pilot's delay in aborting the landing and his failure to obtain/maintain sufficient airspeed during the aborted landing, which resulted in an inadvertent stall and collision with the terrain. Factors relating to the accident were: the pilot's improper…
- [NTSB FTW96LA177](https://openairdocs.org/ntsb/FTW96LA177.md): Air Tractor AT-502B · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Apr 18, 1996 · N6050D · Substantial damage
  > The pilot's improper planning/decision and failure to obtain/maintain sufficient airspeed to climb after takeoff, which resulted in a stall/mush and subsequent collision with terrain. Factors relating to the accident were: failure of the pilot to follow short…
- [NTSB FTW96LA137](https://openairdocs.org/ntsb/FTW96LA137.md): Bell B206-BIII · Chandler, OK · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 1996 · N312RS · Destroyed
  > the reported loss of engine power during a go-around for undetermined reason(s).

Next page: https://openairdocs.org/ntsb.md?state=OK&page=15

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=14&state=OK

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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.
