# NTSB investigations, 1989, WA

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 · 76 cases

## Latest cases

- [NTSB DCA90MA011](https://openairdocs.org/ntsb/DCA90MA011.md): British Aerospace BAE-3101 · Pasco, WA · Accident · 6 fatal · Class 1 · Major · Final report · Dec 27, 1989 · N410UE · Destroyed
  > The flightcrew's decision to continue an unstabilized instrument landing system (ILS) approach that led to a stall, most likely of the horizontal stabilizer, and loss of control at low altitude. Contributing to the accident was the air traffic controller's…
- [NTSB SEA90FA027](https://openairdocs.org/ntsb/SEA90FA027.md): Cessna 172N · Nordland, WA · Accident · 2 fatal · Field investigation · Final report · Dec 21, 1989 · N2228E · Destroyed
  > Undetermined.
- [NTSB SEA90LA029](https://openairdocs.org/ntsb/SEA90LA029.md): Aero Commander 600 S-2D · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Dec 11, 1989 · N1767S · Destroyed
  > An engine loss of power for undetermined reasons. Contributing to the accident was the embankment.
- [NTSB SEA90FA028](https://openairdocs.org/ntsb/SEA90FA028.md): Cessna 210-5 (205) · Rainier, WA · Accident · 2 fatal · Field investigation · Final report · Dec 8, 1989 · CFOXF · Destroyed
  > Continued flight by the pilot into known adverse weather conditions, and his failure to maintain sufficient altitude/clearance from wooded mountainous terrain. Factors related to the accident were: darkness and the weather/terrain conditions.
- [NTSB SEA90LA025](https://openairdocs.org/ntsb/SEA90LA025.md): Hiller UH-12E · Raymond, WA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1989 · N9762C · Substantial damage
  > Loss of engine power due to fatigue failure of the impeller. The helicopter was substantially damaged as a result of a roll-over on uneven terrain.
- [NTSB SEA90LA024](https://openairdocs.org/ntsb/SEA90LA024.md): Cessna A-185-F · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1989 · N1920Q · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing roll.
- [NTSB SEA90FA021](https://openairdocs.org/ntsb/SEA90FA021.md): Beech B35 · Bremerton, WA · Accident · 2 fatal · Field investigation · Final report · Nov 23, 1989 · N8918A · Destroyed
  > The pilot's improper IFR procedure, his failure to maintain proper alignment on the ILS approach, and his failure to initiate a missed approached after reaching the lateral limits of the ILS system or decision height. Darkness and deteriorating weather were…
- [NTSB SEA90LA020](https://openairdocs.org/ntsb/SEA90LA020.md): Cessna 172 · Bremerton, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1989 · N63496 · Destroyed
  > Fuel exhaustion and inadequate preflight planning.
- [NTSB SEA90FA019](https://openairdocs.org/ntsb/SEA90FA019.md): Piper PA-24-250 · Vancouver, WA · Accident · 3 fatal · Field investigation · Final report · Nov 19, 1989 · N8289P · Destroyed
  > The pilot in command's inadequate preflight planning, pilot's attempted VFR flight into IMC conditions and the pilot's lack of instrument qualifications. Contributing to the accident was the low ceiling, fog and the pilot's lack of recent experience.
- [NTSB SEA90LA018](https://openairdocs.org/ntsb/SEA90LA018.md): Cessna 140 · Amboy, WA · Accident · No injuries · Limited investigation · Final report · Nov 18, 1989 · N2070V · Destroyed
  > Loss of engine power due to carburetor icing.
- [NTSB SEA90LA017](https://openairdocs.org/ntsb/SEA90LA017.md): Ercoupe 415D · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Nov 18, 1989 · N3354H · Substantial damage
  > The pilot's inadvertant leaning of the fuel mixture to near idle cutoff, causing the engine to quit.
- [NTSB SEA90LA014](https://openairdocs.org/ntsb/SEA90LA014.md): Cessna 182E · Quilcene, WA · Accident · No injuries · Limited investigation · Final report · Nov 9, 1989 · N3117Y · Substantial damage
  > The pilot failed to adequately compensate for tailwind conditions when landing on a short wet runway.
- [NTSB SEA90FA133](https://openairdocs.org/ntsb/SEA90FA133.md): Cessna 172M · Snoqualmie, WA · Accident · 1 fatal · Field investigation · Final report · Nov 8, 1989 · N73422 · Destroyed
  > Intentional flight into known adverse weather conditions and poor weather evaluation by the pilot.
- [NTSB SEA90LA010](https://openairdocs.org/ntsb/SEA90LA010.md): Hughes 369D · Neah Bay, WA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1989 · N9163F · Substantial damage
  > Fatigue failure of all four attachment studs of the tailrotor gearbox resulting in separation of the gear box, and inadequate maintenance inspection.
- [NTSB SEA90FA005](https://openairdocs.org/ntsb/SEA90FA005.md): Hughes 369D · Bothell, WA · Accident · 1 fatal · Field investigation · Final report · Oct 13, 1989 · N8613F · Destroyed
  > The pilot failed to determine weather conditions before the flight, his attempt to fly VFR in IMC, and his failure to maintain obstacle clearance altitude. Factors in the accident were the low ceiling, rain and fog weather conditions.
- [NTSB SEA90FA002](https://openairdocs.org/ntsb/SEA90FA002.md): Bellanca 17-30A · Cougar, WA · Accident · 2 fatal · Field investigation · Final report · Oct 1, 1989 · CGUVU · Destroyed
  > Continued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain proper altitude/clearance above mountainous terrain. The adverse weather and terrain were related factors.
- [NTSB SEA89LA181](https://openairdocs.org/ntsb/SEA89LA181.md): Cessna 152 · Alderwood Manor, WA · Accident · No injuries · Limited investigation · Final report · Sep 30, 1989 · N24995 · Substantial damage
  > Inadequate compensation for wind conditions by the student pilot, and inadequate supervision by the instructor pilot (CFI), which resulted in a failure to maintain proper altitude. Factors related to the accident were: unfavorable (variable) wind, downdraft,…
- [NTSB SEA89LA184](https://openairdocs.org/ntsb/SEA89LA184.md): Cessna 172K · East Sound, WA · Accident · No injuries · Limited investigation · Final report · Sep 26, 1989 · N84152 · Substantial damage
  > The student pilot's failure to maintain directional control.
- [NTSB SEA89LA175](https://openairdocs.org/ntsb/SEA89LA175.md): Bell 47G3B2 · Monitor, WA · Accident · 1 fatal · Limited investigation · Final report · Sep 18, 1989 · N83111 · Destroyed
  > The pilot failed to maintain aircraft separation from obstacles on the ground. A factor in the accident was the bright glare from the rising sun.
- [NTSB SEA89LA174](https://openairdocs.org/ntsb/SEA89LA174.md): de Havilland Beaver DHC-2 MK.1 · Kapowsin, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1989 · N5163G · Substantial damage
  > An undetermined loss of engine power.
- [NTSB SEA89LA169](https://openairdocs.org/ntsb/SEA89LA169.md): Cessna 152 · Ellensburg, WA · Accident · No injuries · Limited investigation · Final report · Sep 11, 1989 · N25228 · Substantial damage
  > The pilot's failure to obtain current in-flight wind information in order to calculate that his remaining fuel supply was adequate to reach his final destination. Contributing was his inadequate preflight planning.
- [NTSB SEA89LA167](https://openairdocs.org/ntsb/SEA89LA167.md): Robinson R22 · Kent, WA · Accident · No injuries · Limited investigation · Final report · Sep 9, 1989 · N8034J · Destroyed
  > The instructor pilot's failure to take timely corrective action to recover from a low rotor RPM condition, resulting in impact with the ground.
- [NTSB SEA89LA164](https://openairdocs.org/ntsb/SEA89LA164.md): Cessna 182 · Lester, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 1989 · N44888 · Destroyed
  > The pilot's loss of control of the aircraft due to his improper use of the aircraft flight controls. Contributing factors in the accident were the moderate turbulence and trace mixed icing in clouds.
- [NTSB SEA89LA161](https://openairdocs.org/ntsb/SEA89LA161.md): Cessna 172P · Alderwood Manor, WA · Accident · No injuries · Limited investigation · Final report · Sep 4, 1989 · N98354 · Substantial damage
  > Improper planning/decision by the pilot. The tailwind and high obstructions were related factors.
- [NTSB SEA89FA156](https://openairdocs.org/ntsb/SEA89FA156.md): Cessna TU206C · Skykomish, WA · Accident · 1 fatal · Field investigation · Final report · Sep 2, 1989 · N21NW · Destroyed
  > The pilot's decision to continue the flight into IMC. The pilot did not adequately plan and prepare for the flight and was unable to maintain a proper altitude above the terrain for VMC. Fog was a related factor.
- [NTSB SEA89FA155](https://openairdocs.org/ntsb/SEA89FA155.md): Cessna 402B · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 31, 1989 · CGRKR · Substantial damage
  > The landing gear down lock mechanism failure.
- [NTSB SEA89FA160](https://openairdocs.org/ntsb/SEA89FA160.md): Cessna 152 · Snohomish, WA · Accident · 4 fatal · Field investigation · Final report · Aug 30, 1989 · N49231 · 2 aircraft · Destroyed
  > The pilot's failure to see and avoid N49231, a Cessna 172. Contributing factors were: a flight path directly into the setting sun, and the low light conditions of dusk on the ground below.
- [NTSB SEA89LA149](https://openairdocs.org/ntsb/SEA89LA149.md): Swanson RV-4 · Carnation, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 13, 1989 · N9RS · Substantial damage
  > The pilot entered an inadvertent stall and hit trees while performing aerobatics.
- [NTSB SEA89LA145](https://openairdocs.org/ntsb/SEA89LA145.md): Cessna 177 · Fall City, WA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1989 · N3448T · Substantial damage
  > The pilot misjudged his landing flare and then did not properly recover from the resulting bounce.
- [NTSB SEA89LA144](https://openairdocs.org/ntsb/SEA89LA144.md): Robinson R22 · Brinnon, WA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1989 · N933CB · Destroyed
  > The pilot's inadequate in-flight planning. The helicopter skid contacted the water as a result of the pilot's misjudgement of clearance above the water.
- [NTSB SEA89LA146](https://openairdocs.org/ntsb/SEA89LA146.md): Abbott Gyroplane · Newport, WA · Accident · No injuries · Limited investigation · Final report · Jul 30, 1989 · N14HS · Destroyed
  > The pilot's selection of unsuitable terrain and the delay in aborting the takeoff.
- [NTSB SEA89LA140](https://openairdocs.org/ntsb/SEA89LA140.md): Piper PA-28-140 · Vashon, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1989 · N8402C · Substantial damage
  > The pilot's inadequate preflight planning/preparation. Factors related to the accident were: unfavorable wind conditions, high obstructions (trees), and soft terrain where the aircraft touched down during the aborted takeoff.
- [NTSB SEA89LA136](https://openairdocs.org/ntsb/SEA89LA136.md): Cessna A188B · Albion, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 1989 · N9768G · Destroyed
  > The pilot failed to see and avoid a wooden utility pole while cruising at a low level. A contributing factor was the dusk light conditions.
- [NTSB SEA89LA134](https://openairdocs.org/ntsb/SEA89LA134.md): Mirsepasy 3Q2 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 18, 1989 · N38AM · Substantial damage
  > Fuel starvation due to a blocked fuel line which resulted in the pilot having to land on unsuitable terrain.
- [NTSB SEA89LA128](https://openairdocs.org/ntsb/SEA89LA128.md): Bell 206B · Longview, WA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1989 · N53W · Substantial damage
  > The pilot inadvertently turning off the engine fuel supply instead of the external load fuel supply. Contributing to the accident was the pilot's failure to jettison the external load during the autorotation.
- [NTSB SEA89LA127](https://openairdocs.org/ntsb/SEA89LA127.md): Piper PA-28-180 · Snoqualmie Pass, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 30, 1989 · N56759 · Destroyed
  > Improper in-flight planning/descision by the pilot, which resulted in the aircraft entering a box canyon with insufficient speed and altitude to maneuver out of the confined area. Factors related to the accident were: the pilot's continued flight into known…
- [NTSB SEA89LA123](https://openairdocs.org/ntsb/SEA89LA123.md): Piper PA-20 · Orchards, WA · Accident · No injuries · Limited investigation · Final report · Jun 29, 1989 · N8986C · Substantial damage
  > The failure of the pilot to align the aircraft with the landing runway on touchdown and his failure to maintain directional control during landing ground roll, resulting in a ground loop.
- [NTSB SEA89LA125](https://openairdocs.org/ntsb/SEA89LA125.md): Maule M4-210 · Lopez, WA · Accident · No injuries · Limited investigation · Final report · Jun 28, 1989 · N4744T · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing roll.
- [NTSB SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121.md): Grumman-Schweizer G-164A · Colfax, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 1989 · N8974H · Substantial damage
  > Improper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing.
- [NTSB SEA89LA120](https://openairdocs.org/ntsb/SEA89LA120.md): Bell 47G-2 · Centralia, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1989 · N1161N · Destroyed
  > The pilot misjudged his clearance over trees, which resulted in an in-flight tail rotor strike with the trees and loss of tail rotor control. The trees were a related factor.
- [NTSB SEA89LA119](https://openairdocs.org/ntsb/SEA89LA119.md): Beech B35 · Dallesport, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 1989 · N5028C · Substantial damage
  > The premature rotatiion and liftoff by the pilot, which resulted in an inadvertent stall. A factor related to the accident was: the tailwind.
- [NTSB SEA89FA118](https://openairdocs.org/ntsb/SEA89FA118.md): Colonial C-1 · Bremerton, WA · Accident · 1 fatal · Field investigation · Final report · Jun 23, 1989 · N260B · Destroyed
  > Malfunction of both magnetos due to deterioration of the coils, which resulted in the loss of engine power. Factors related to the accident were: an inadequate airworthiness directive (no calendar time limits), and the lack of suitable terrain (rough/uneven)…
- [NTSB SEA89FA111](https://openairdocs.org/ntsb/SEA89FA111.md): Oregon Helicopters UH-1L · Baring, WA · Accident · Serious injuries · Field investigation · Final report · Jun 14, 1989 · N157LC · Destroyed
  > Fatigue failure of the tail rotor 42 degree gear box due to pilot induced overstress. Navy data and FAA type certificate limitations were not adhered to.
- [NTSB SEA89LA106](https://openairdocs.org/ntsb/SEA89LA106.md): Taylorcraft BC-12D · Longbranch, WA · Accident · No injuries · Limited investigation · Final report · Jun 12, 1989 · N39976 · Substantial damage
  > The poor in-flight decision by the pilot to land on water, downwind. His failure to compensate for the wind conditions resulted in a loss of control and nose over of the airplane.
- [NTSB SEA89FA104](https://openairdocs.org/ntsb/SEA89FA104.md): Anderson BD-5 · Everett, WA · Accident · 1 fatal · Field investigation · Final report · Jun 11, 1989 · N13AT · Destroyed
  > Inadequate maintenance by the pilot/owner/builder, his operation of the aircraft with a known deficiency, and his failure to maintain adequate airspeed during an emergency descent, which resulted in an inadvertent stall.
- [NTSB SEA89FA103](https://openairdocs.org/ntsb/SEA89FA103.md): Whittaker Bushby Mustang 1 · Alderwood Manor, WA · Accident · 1 fatal · Field investigation · Final report · Jun 10, 1989 · N8020E · Destroyed
  > Pilot's failure to maintain proper airspeed. Contributing factors were the pilot's poor judgement in flying a traffic pattern at tree-top level and a tailwind condition during the steep turn to final.
- [NTSB SEA89LA101](https://openairdocs.org/ntsb/SEA89LA101.md): Taylorcraft BC-12D · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Jun 6, 1989 · N96202 · Substantial damage
  > The pilot's failure to maintain directional control during landing ground roll, resulting in a ground loop and nose over. The crosswind is considered to be a contributing factor to the accident.
- [NTSB SEA89FA099](https://openairdocs.org/ntsb/SEA89FA099.md): Cushing 4 · Mansfield, WA · Accident · 2 fatal · Field investigation · Final report · Jun 4, 1989 · N5321U · Destroyed
  > Failure of the left wing main spar due to overload for undetermined reasons.
- [NTSB SEA89LA102](https://openairdocs.org/ntsb/SEA89LA102.md): Beech 19A · Cashmere, WA · Accident · No injuries · Limited investigation · Final report · Jun 3, 1989 · N6061N · Substantial damage
  > The pilot used poor starting procedures. The airplane was inadequately secured resulting in a collision with an object when the airplane broke free of the tiedown ropes.
- [NTSB SEA89LA098](https://openairdocs.org/ntsb/SEA89LA098.md): Bell 47G-2 · Buena, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1989 · N41721 · Destroyed
  > The pilot's failure to maintain an adequate visual lookout and clearance to avoid the power lines.

Next page: https://openairdocs.org/ntsb.md?year=1989&state=WA&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 year(c."eventDate") = 1989
  AND c."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=WA&year=1989

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