# NTSB investigations, ID: Airframe/component/system failure/malfunction

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 SEA07CA186](https://openairdocs.org/ntsb/SEA07CA186.md): Cessna 182 · Bear Lake, ID · Accident · No injuries · Data collection · Final report · Jun 22, 2007 · N3570B · Substantial damage
  > The separation of the bolt that holds the nosewheel steering torque arm to the nose wheel strut during the takeoff roll, resulting in no nosewheel steering being available during the landing roll at the pilot's destination. Factors include the pilot's failure…
- [NTSB SEA07LA140](https://openairdocs.org/ntsb/SEA07LA140.md): Cessna A185F · Shearer, ID · Accident · Serious injuries · Limited investigation · Final report · May 30, 2007 · N104DE · Substantial damage
  > A fracture and separation of the left main landing gear strut during the landing roll due to fatigue.
- [NTSB SEA07LA145](https://openairdocs.org/ntsb/SEA07LA145.md): Swearingen SA-226T · McCall, ID · Accident · No injuries · Limited investigation · Final report · Apr 1, 2007 · N46SA · Substantial damage
  > The nosewheel steering system's uncommanded turn during the landing roll, making it impossible for the pilot to maintain directional control. Factors include a snow bank running parallel to the side of the runway.
- [NTSB SEA07LA055](https://openairdocs.org/ntsb/SEA07LA055.md): Cessna 421 · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Jan 30, 2007 · N4584L · Substantial damage
  > The separation of the bolt that attaches the elevator trim tab actuator rod to the elevator trim tab horn, resulting in violent flutter of the elevator, and eventually to the separation of the inboard half of the right elevator.
- [NTSB SEA06CA048](https://openairdocs.org/ntsb/SEA06CA048.md): Cessna A185E · Lewiston, ID · Accident · No injuries · Data collection · Final report · Jan 30, 2006 · N2303Y · Substantial damage
  > The failure of the left main landing gear attaching bolt, which resulted in the left main gear collapsing during the landing roll.
- [NTSB SEA05LA170](https://openairdocs.org/ntsb/SEA05LA170.md): Piper PA-24-250 · Challis, ID · Accident · Serious injuries · Limited investigation · Final report · Aug 13, 2005 · N6677P · Substantial damage
  > The installation of an improper oil gasket by maintenance personnel, which resulted in a loss of engine oil and subsequent loss of engine power during the emergency descent.
- [NTSB SEA05LA008](https://openairdocs.org/ntsb/SEA05LA008.md): Higgins Acro-Sport II · Coeur d'Alene, ID · Accident · No injuries · Limited investigation · Final report · Oct 2, 2004 · N214JH · Substantial damage
  > The airplane's wood propeller separated from the airplane during cruise. A factor was the ditch that the airplane impacted during the landing roll subsequent to the forced landing.
- [NTSB SEA04LA103](https://openairdocs.org/ntsb/SEA04LA103.md): D'Amico Kitfox Series 7 · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Jun 5, 2004 · N1852N · Substantial damage
  > The disconnection of the elevator pitch control assembly and the pitch rod during the takeoff as a result of an unsecured bolt.
- [NTSB SEA04LA039](https://openairdocs.org/ntsb/SEA04LA039.md): Piper PA-18-150 · McCall, ID · Accident · No injuries · Limited investigation · Final report · Feb 8, 2004 · N5753Z · Substantial damage
  > The failure of the right rear ski cable and the owner's improper substitution of the right rear ski cable with an unapproved ski cable. A factor was the slushy snow.
- [NTSB SEA04LA019](https://openairdocs.org/ntsb/SEA04LA019.md): Kaman K-600 · Nordman, ID · Accident · 1 fatal · Limited investigation · Final report · Nov 20, 2003 · N286M · Substantial damage
  > The total failure of the helicopter's right main rotor shaft while in an ascending hover due to the propagation of a fatigue crack that initiated in a corrosion pit on the surface of a slot in the wall of the subject shaft. Factors include accumulation of…
- [NTSB SEA03LA187](https://openairdocs.org/ntsb/SEA03LA187.md): Cessna 172RG · Blanchard, ID · Accident · No injuries · Limited investigation · Final report · Sep 6, 2003 · N6368R · Substantial damage
  > The loss of engine oil as a result of the inadequate installation of the idler gear shaft set screw and the lack of a safety wire on the hex head (oil) plug. A contributing factor was the rough and uneven terrain.
- [NTSB SEA03LA202](https://openairdocs.org/ntsb/SEA03LA202.md): North American P-51D · Jerome, ID · Accident · No injuries · Limited investigation · Final report · Jul 3, 2003 · N2869D · Substantial damage
  > The malfunction of the cooling system pressure relief valve and the pilot's failure to follow procedures. An engine over temperature, a coolant leak as a result of a relief valve failure, an obstructed windshield which was covered with coolant fluid, and an…
- [NTSB SEA03LA066](https://openairdocs.org/ntsb/SEA03LA066.md): Maule MX-7-235 · Plummer, ID · Accident · No injuries · Limited investigation · Final report · Apr 20, 2003 · N114MK · Substantial damage
  > The jamming of the left parking brake locking tab on a burr on the left brake master cylinder activation rod during the landing roll, resulting in the left brake becoming locked in a position where excessive braking was applied.
- [NTSB SEA02FA108](https://openairdocs.org/ntsb/SEA02FA108.md): Garlick UH-1H · Clark Fork, ID · Accident · 1 fatal · Field investigation · Final report · Jun 21, 2002 · N114DR · Substantial damage
  > A failure of unknown origin in the tail rotor drive assembly. Factors include mountainous terrain unsuitable for an emergency landing.
- [NTSB SEA02IA096](https://openairdocs.org/ntsb/SEA02IA096.md): Kaman K-600 (HH-43B) · Cocolalla, ID · Incident · No injuries · Incident investigation · Final report · May 21, 2002 · N286M · No damage
  > The reverse installation of the RPM compensator assembly control box bolts resulting in the threaded end of the bolt impinging on a clevis and jamming the collective during climb. A contributing factor was the lack of adequate documentation provided by the…
- [NTSB SEA02GA053](https://openairdocs.org/ntsb/SEA02GA053.md): Piper PA-31 · Atlanta, ID · Accident · 3 fatal · Final report · Mar 12, 2002 · N2336V · Substantial damage
  > The pilot's failure to maintain aircraft control while in cruise flight which resulted in the in-flight separation due to overload of the spar at the right wing root. Hypoxia was a factor.
- [NTSB SEA02LA046](https://openairdocs.org/ntsb/SEA02LA046.md): Cessna 421C · Hailey, ID · Accident · No injuries · Limited investigation · Final report · Mar 2, 2002 · N421DG · Substantial damage
  > Water contamination within the aircraft's landing gear hydraulic line(s) which froze and blocked the line(s) preventing extension of the right main gear. A factor was the below freezing environmental conditions which the aircraft was operating in prior to and…
- [NTSB SEA02IA044](https://openairdocs.org/ntsb/SEA02IA044.md): Bombardier DHC-8-401 · Boise, ID · Incident · No injuries · Incident investigation · Final report · Mar 2, 2002 · N410QX · No damage
  > The partial failure of one of the number two hydraulic system elevator hydraulic lines, leading to the loss of fluid and pressure in that system during cruise flight. This loss resulted in reliance upon the sole remaining activation system (number one…
- [NTSB SEA01TA083](https://openairdocs.org/ntsb/SEA01TA083.md): de Havilland DHC-6-300 · Star, ID · Accident · No injuries · Final report · May 1, 2001 · N49SJ · Substantial damage
  > Fatigue failure of the nose wheel steering cable during the landing roll. Rough/uneven terrain was a factor.
- [NTSB SEA00FA142](https://openairdocs.org/ntsb/SEA00FA142.md): Cessna TU-206G · Pistol Creek, ID · Accident · 1 fatal · Field investigation · Final report · Jul 25, 2000 · N206RA · Destroyed
  > A loss of engine power due to the fracture of the #2 cylinder intake valve stem and the puncturing of the #2 piston dome by the intake valve head. Factors include no suitable landing site within the maneuvering abilities of the aircraft, and coniferous trees…
- [NTSB SEA00LA120](https://openairdocs.org/ntsb/SEA00LA120.md): Cessna U206B · Yellow Pine, ID · Accident · No injuries · Limited investigation · Final report · Jul 2, 2000 · N3488L · Substantial damage
  > The locknut was not secured and backed off the bolt. An improper maintenance installation was a factor.
- [NTSB SEA00LA090](https://openairdocs.org/ntsb/SEA00LA090.md): Cessna T210M · Boise, ID · Accident · No injuries · Limited investigation · Final report · May 25, 2000 · N761VZ · Substantial damage
  > The deterioration and subsequent leakage of a hydraulic line which resulted in the total loss of hydraulic fluid and the inability of the pilot to extend the landing gear into the locked position.
- [NTSB SEA00LA025](https://openairdocs.org/ntsb/SEA00LA025.md): Dassault DA-20 · Boise, ID · Accident · No injuries · Limited investigation · Final report · Nov 27, 1999 · N216SA · Substantial damage
  > Failure of the forward gear door lock pin. An inoperative landing gear door and inadequate maintenance inspection of the aircraft were factors.
- [NTSB SEA00TA013](https://openairdocs.org/ntsb/SEA00TA013.md): Hiller UH-12E · Stites, ID · Accident · Serious injuries · Final report · Nov 2, 1999 · N5388V · Substantial damage
  > Inadequate inspection of the control rotor cuff by a company mechanic and subsequent fatigue fracture of the cuff, resulting in an inflight separation of the control rotor blade. Factors contributing to the accident were: inadequate quality control during…
- [NTSB SEA99LA063](https://openairdocs.org/ntsb/SEA99LA063.md): Lake LA-4 · Coeur D'Alene, ID · Accident · No injuries · Limited investigation · Final report · May 15, 1999 · N152WB · Substantial damage
  > The fatigue failure of a repair weld on one of the engine pylon mount straps and the resultant reduction in directional control. Factors include an inadequate repair of the strap, variable wind speeds and sudden wind shifts.
- [NTSB SEA98LA178](https://openairdocs.org/ntsb/SEA98LA178.md): Cessna 414 · Burley, ID · Accident · No injuries · Limited investigation · Final report · Sep 28, 1998 · CGLHP · Substantial damage
  > A brake system failure for undetermined reasons. An intentional ground loop was a factor.
- [NTSB SEA98LA158](https://openairdocs.org/ntsb/SEA98LA158.md): Cessna 182 · Yellowpine, ID · Accident · No injuries · Limited investigation · Final report · Aug 7, 1998 · N6437A · Substantial damage
  > Right main landing gear spring strut fatigue, improper maintenance, and subsequent separation of the strut end.
- [NTSB CHI97FA149](https://openairdocs.org/ntsb/CHI97FA149.md): Bell 206L3 · Boise, ID · Accident · No injuries · Field investigation · Final report · May 27, 1997 · N35CH · Substantial damage
  > the improper torque meter installation by maintenance personnel, attempting flight with known discrepancies by the pilot-in-command and the check airman, and an improper autorotation by the pilot-in-command with improper oversight of the autorotation maneuver…
- [NTSB SEA96FA187](https://openairdocs.org/ntsb/SEA96FA187.md): Garlick UH-1H · Coeur D'Alene, ID · Accident · Serious injuries · Field investigation · Final report · Aug 12, 1996 · N97NW · Substantial damage
  > Fatigue fracture of the left forward vertical stabilizer spar, resulting in loss of the vertical stabilizer and tail rotor and subsequent loss of control. A factor was insufficient applicability (by make and model) of an existing FAA airworthiness directive…
- [NTSB SEA96LA103](https://openairdocs.org/ntsb/SEA96LA103.md): Schweizer G164B · Moscow, ID · Accident · No injuries · Limited investigation · Final report · May 29, 1996 · N48559 · Substantial damage
  > inflight loss of an unsecured access plug from the engine crankcase, which resulted in a loss of engine oil and a forced landing. Factors relating to the accident were: hilly terrain, and foreign material (engine oil) on the windscreen which limited forward…
- [NTSB SEA95LA229](https://openairdocs.org/ntsb/SEA95LA229.md): Piper PA-18A · Roberts, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 1995 · N1953P · Substantial damage
  > an improperly performed major rebuild and inadequate inspection of the aircraft by maintenance personnel. Inadequate preflight inspection by the pilot contributed to the accident.
- [NTSB SEA95LA168](https://openairdocs.org/ntsb/SEA95LA168.md): Piper PA-25-235 · Shelley, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1995 · N8808L · Substantial damage
  > The left main landing gear tire burst during takeoff.
- [NTSB SEA94FA106](https://openairdocs.org/ntsb/SEA94FA106.md): Piper PA-32-260 · Kellogg, ID · Accident · 1 fatal · Field investigation · Final report · Apr 24, 1994 · N7659C · Destroyed
  > Failure of the pilot to maintain aircraft control, due to spatial disorientation, while flying with partial panel, and the design stress limits of the aircraft being exceeded. Factors related to the accident were: failure of the vacuum system, which resulted…
- [NTSB SEA93LA207](https://openairdocs.org/ntsb/SEA93LA207.md): Bell UH-1B · Pierce, ID · Accident · No injuries · Limited investigation · Final report · Sep 23, 1993 · N3979C · Substantial damage
  > Separation of the 90 degree gearbox after fatigue failure of the gearbox attach bolts. Factors include hilly/mountainous terrain.
- [NTSB SEA93FA186](https://openairdocs.org/ntsb/SEA93FA186.md): Dassault DA-10 · Hailey, ID · Accident · No injuries · Field investigation · Final report · Aug 26, 1993 · FBYCV · Substantial damage
  > The pilot-in-command's improper procedures. Factors include failure of an electrical relay, inoperative thrust reverser, poor crew coordination, and the second-in-command's improper procedures.
- [NTSB SEA93LA038](https://openairdocs.org/ntsb/SEA93LA038.md): Bellanca 7GCBC · Arco, ID · Accident · No injuries · Limited investigation · Final report · Dec 13, 1992 · N57659 · Substantial damage
  > A leaking crankshaft oil seal, and snow on the landing area.
- [NTSB DEN89FA202](https://openairdocs.org/ntsb/DEN89FA202.md): Aerospatiale AS-350D · Blanchard, ID · Accident · 4 fatal · Field investigation · Final report · Aug 28, 1989 · N132SH · Destroyed
  > Overheating and seizure of the swashplate bearing, which resulted in an inflight breakup of the helicopter and subsequent impact with the ground.
- [NTSB SEA89LA083](https://openairdocs.org/ntsb/SEA89LA083.md): Davis Starship Alpha · Star, ID · Accident · Serious injuries · Limited investigation · Final report · May 9, 1989 · N5531N · Substantial damage
  > Failure of the propeller drive belt (stripped teeth). Contributing factors were: strong/gusty winds and the hilly terrain.
- [NTSB SEA88FA069](https://openairdocs.org/ntsb/SEA88FA069.md): Aero Commander 680FL · Soda Springs, ID · Accident · 2 fatal · Field investigation · Final report · Apr 9, 1988 · N291NC · Destroyed
  > While en route on a night IFR cargo flt, the plt reqd & was clrd for a dscnt from an IFR cruise alt of 16,000 ft to proceed vfr-on-top. The last transmission from the acft was at 2106 when the plt acknowledged that he was familiar with the terrain along the…
- [NTSB SEA88LA042](https://openairdocs.org/ntsb/SEA88LA042.md): Piper PA-32-300 · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · Jan 29, 1988 · N4290R · Substantial damage
  > When the pilot attempted to reduce power to descend to land he was unable to obtain a power reduction due to the throttle rod end separating in flight. The pilot made a spiralling descent and then shut down the engine. The pilot misjudged his altitude and…
- [NTSB SEA88LA009](https://openairdocs.org/ntsb/SEA88LA009.md): Napper Vancraft · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Oct 17, 1987 · N49694 · Destroyed
  > The experimental gyrocopter was on a test flight when the right rudder pedal pivot bolt broke. The aircraft began a spiral in a counter-clockwise direction with the rudder separating from the aircraft at the hinge points. The aircraft continued to spiral to…
- [NTSB SEA86LA227](https://openairdocs.org/ntsb/SEA86LA227.md): Beech A-36 · Elk City, ID · Accident · No injuries · Limited investigation · Final report · Aug 28, 1986 · N354BQ · Substantial damage
  > During landing roll a loss of braking occurred due to excessively worn brake pads and a bent shaft in the left master cylinder. Near the end of the runway the pilot elected to ground loop the aircraft in order to avoid trees at the departure end of the runway.
- [NTSB SEA85FA228](https://openairdocs.org/ntsb/SEA85FA228.md): Teratorn Tierra II · Post Falls, ID · Accident · 2 fatal · Field investigation · Final report · Sep 29, 1985 · UNREG · Destroyed
  > The acft contacted the terrain in an uncontrolled descent following an inflt separation of the left wing. A witness stated the left wing separated as the acft was being maneuvered in a race track pattern using bank angles of 45 degs. The wife of the acft…
- [NTSB SEA85FA181](https://openairdocs.org/ntsb/SEA85FA181.md): Piper PA-22 · Ketchum, ID · Accident · 2 fatal · Field investigation · Final report · Jul 29, 1985 · N4445A · Destroyed
  > Student pilot on cross country flt, route thru mountain pass and mountains. Attempted emergency landing on highway. During approach and while turning toward selected landing site, plt inadvertantly set full nose down trim with half flaps. As acft completed…
- [NTSB SEA85FA110](https://openairdocs.org/ntsb/SEA85FA110.md): Cessna 402 · Pocatello, ID · Accident · 1 fatal · Field investigation · Final report · May 16, 1985 · N402CS · Destroyed
  > Shortly after departure & level off, the plt reported an eng malfunction & initiated a return to the arpt. About 2 min later, he reported an eng fire & declared an emergency. Aprx 1 min thereafter, the rgt wing separated from the acft & the plane crashed. An…
- [NTSB SEA84LA109](https://openairdocs.org/ntsb/SEA84LA109.md): Grumman G-164 · Craigmont, ID · Accident · No injuries · Limited investigation · Final report · May 17, 1984 · N48373 · Substantial damage
  > During aerial application the engine lost power & a forced landing was initiated to a wheat field. During the landing approach the acft stalled at about 10 to 20 feet AGL. The acft landed hard and flipped over. Examination of the engine revealed a broken…
- [NTSB SEA83LA184](https://openairdocs.org/ntsb/SEA83LA184.md): Cessna 180 · Colburn, ID · Accident · No injuries · Limited investigation · Final report · Aug 28, 1983 · N3239D · Substantial damage
  > The acft collided with a fence and a ditch during an overrun while landing. The pilot reported he took off with the pitot tube cover on and had flown 7 miles to a private airstrip. The strip was reported to be about 1300 ft long. The pilot stated he landed…
- [NTSB SEA83FA009](https://openairdocs.org/ntsb/SEA83FA009.md): Boeing Vertol 107 · Cascade, ID · Accident · 2 fatal · Field investigation · Final report · Oct 14, 1982 · N6676D · Destroyed
  > During a log slinging operation a loud bang was heard & the acft was observed to rapidly descend vertically to the ground with numerous small fragments falling in the same vicinity. The #5 synchronization shaft was found to be fractured at the forward end…
- [NTSB SEA82IA101](https://openairdocs.org/ntsb/SEA82IA101.md): Douglas DC-9-31 · Boise, ID · Incident · No injuries · Incident investigation · Final report · Jul 5, 1982 · N919RW · Minor damage
  > After a gate delay to load late passengers, the flight was cleared for takeoff on runway 28L. About 4 seconds after rotation speed was called, the stickshaker activated and the takeoff was aborted. A readout of the CVR indicated that the thrust reversers were…
- [NTSB SEA82FA032](https://openairdocs.org/ntsb/SEA82FA032.md): Cessna P210N · Boise, ID · Accident · 4 fatal · Field investigation · Final report · Jan 21, 1982 · N4947K · Destroyed
  > After takeoff while climbing through 10,000 ft MSL the pilot declared an emergency. The pilot stated he was having vacuum problems and was on partial panel. Salt lake city ARTCC answered his request for guidance to a VFR landing with no gyro vector…

## 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" = 'ID' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&state=ID

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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.