# NTSB investigations, 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 42 of 97 · 4,814 cases

## Cases, newest first

- [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.
- [NTSB SEA89LA093](https://openairdocs.org/ntsb/SEA89LA093.md): Piper PA-22-150 · Black Diamond, WA · Accident · No injuries · Limited investigation · Final report · May 28, 1989 · N6121D · Substantial damage
  > Power loss due to magneto failure. Contributing to the accident were lack of suitable terrain for forced landing and the presence of obstacles.
- [NTSB SEA89LA091](https://openairdocs.org/ntsb/SEA89LA091.md): Pazmany PL-4A · Concrete, WA · Accident · Minor injuries · Limited investigation · Final report · May 21, 1989 · N445CB · Destroyed
  > An improper low pass and clearance with trees misjudged by pilot.
- [NTSB SEA89LA089](https://openairdocs.org/ntsb/SEA89LA089.md): Champion 7GCB · Copalis Beach, WA · Accident · No injuries · Limited investigation · Final report · May 15, 1989 · N8978R · Substantial damage
  > The pilot's failure to perform the necessary preflight planning and preparation which resulted in the selection of unsuitable terrain for landing. Contributing to the accident was the soft sand bar.
- [NTSB SEA89LA082](https://openairdocs.org/ntsb/SEA89LA082.md): Cessna 172 · Woodland, WA · Accident · No injuries · Limited investigation · Final report · May 9, 1989 · CGREV · Substantial damage
  > The pilot's poor planning and inadequate calculation of fuel consumption which resulted in fuel exhaustion.
- [NTSB SEA89LA080](https://openairdocs.org/ntsb/SEA89LA080.md): Mccoy Super Koala · Kelso, WA · Accident · Minor injuries · Limited investigation · Final report · May 6, 1989 · N30SK · Destroyed
  > The pilot's failure to adequately compensate for wind conditions, and the pilot's delay in initiating a go-around. Contributing to the accident were crosswind gusts, and lack of total pilot experience.
- [NTSB SEA89LA079](https://openairdocs.org/ntsb/SEA89LA079.md): Piper PA-38-112 · Lacey, WA · Accident · No injuries · Limited investigation · Final report · May 4, 1989 · N24508 · Substantial damage
  > Failure of the pilot to maintain proper alignment during landing.
- [NTSB SEA89LA078](https://openairdocs.org/ntsb/SEA89LA078.md): Cessna 172 · Lynden, WA · Accident · No injuries · Limited investigation · Final report · May 4, 1989 · N6064R · Substantial damage
  > The pilot delayed in aborting the landing and failed obtain or maintain sufficient airspeed to keep the aircraft from mushing after lift-off. Factors related to the accident were: obstructions near the approach end of the runway, failure of the pilot to…
- [NTSB SEA89LA073](https://openairdocs.org/ntsb/SEA89LA073.md): Donner/Parton Avid Flyer · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1989 · N4409D · Substantial damage
  > An ignition lead became disconnected from one cylinder, which resulted in a partial power loss. A factor related to the accident was: soft terrain in the touchdown area.
- [NTSB SEA89LA072](https://openairdocs.org/ntsb/SEA89LA072.md): Beech A55 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1989 · N6866Q · Destroyed
  > A premature/improper retraction of the landing gear by the second pilot (aircraft owner), who was occupying the right front seat.
- [NTSB SEA89FA068](https://openairdocs.org/ntsb/SEA89FA068.md): Lake LA-4-200-EP · Bellevue, WA · Accident · 2 fatal · Field investigation · Final report · Apr 12, 1989 · N8521Z · Destroyed
  > Loss of engine power for an undetermined reason and failure of the instructor pilot (CFI) to maintain control of the aircraft, which resulted in a stall/spin.
- [NTSB SEA89FA186](https://openairdocs.org/ntsb/SEA89FA186.md): American AA-1A · Enumclaw, WA · Accident · 1 fatal · Field investigation · Final report · Apr 7, 1989 · N9473L · Destroyed
  > Attempted flight into known adverse weather conditions. Factors include clouds, downdrafts, high winds.
- [NTSB SEA89LA065](https://openairdocs.org/ntsb/SEA89LA065.md): Cessna 150K · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Apr 6, 1989 · N6395G · Substantial damage
  > The decision of a student pilot to continue to land the aircraft with a crosswind that exceeded his ability level.
- [NTSB SEA89LA060](https://openairdocs.org/ntsb/SEA89LA060.md): Cessna 180 · Tacoma, WA · Accident · No injuries · Limited investigation · Final report · Mar 30, 1989 · N2936C · Substantial damage
  > The pilot's improper flare and improper recovery from the bounced landing. Contributing factors were the pilot's low total flight time and his inexperience in the Cessna 180 airplane.
- [NTSB SEA89LA062](https://openairdocs.org/ntsb/SEA89LA062.md): Cessna 185 · Everett, WA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1989 · N6166N · Substantial damage
  > The failure of the pilot to maintain directional control of the tailwheel aircraft during landing roll.
- [NTSB SEA89LA059](https://openairdocs.org/ntsb/SEA89LA059.md): Grumman-Schweizer G-164A · Rosalia, WA · Accident · No injuries · Limited investigation · Final report · Mar 25, 1989 · N8792H · Substantial damage
  > A loss of engine power due to a supercharger failure. Contributing to the accident was the soft terrain on which the forced landing was made.
- [NTSB SEA89FA057](https://openairdocs.org/ntsb/SEA89FA057.md): Cessna T210L · Longmire, WA · Accident · 1 fatal · Field investigation · Final report · Mar 19, 1989 · N8822C · Destroyed
  > Physical incapacitation of the pilot.
- [NTSB SEA89LA067](https://openairdocs.org/ntsb/SEA89LA067.md): Cessna TU206 · Anacortes, WA · Accident · No injuries · Limited investigation · Final report · Mar 18, 1989 · N7551Z · Substantial damage
  > The pilot diverted his attention during the landing, which resulted in an improper flare & hard landing. His lack of recent flying experience was a related factor.
- [NTSB SEA89LA056](https://openairdocs.org/ntsb/SEA89LA056.md): Piper PA-32 · Seabeck, WA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1989 · N3576W · Substantial damage
  > A fatigue failure of the engine crankshaft. Contributing to the accident was the lack of suitable landing area.
- [NTSB SEA89LA054](https://openairdocs.org/ntsb/SEA89LA054.md): Cessna 185 · Bellingham, WA · Accident · No injuries · Limited investigation · Final report · Mar 5, 1989 · N79PK · Substantial damage
  > The pilot's failure to compensate for the loss of lift due to ice accumulation on the wings, his failure to control the rate of descent, and poor inflight decision making. Contributing to the accident was the pilot's fatigue.
- [NTSB SEA89LA061](https://openairdocs.org/ntsb/SEA89LA061.md): Mitsubishi MU-2B-35J · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 17, 1989 · N54US · Substantial damage
  > The failure of the pilot to maintain directional control and runway alignment during the landing roll. Factors related to the accident were: light conditions at dawn, snow and ice on the runway, and the runway lights.
- [NTSB SEA89LA044](https://openairdocs.org/ntsb/SEA89LA044.md): Cessna 182 · N. Bonneville, WA · Accident · No injuries · Limited investigation · Final report · Jan 31, 1989 · N3254Y · Substantial damage
  > Some form of carburetor malfunction or failure which resulted in a loss of engine power. Contributing to the accident was the planned forced landing approach by the plt which resulted in the airplane landing short of the desired landing site.
- [NTSB SEA89LA039](https://openairdocs.org/ntsb/SEA89LA039.md): Cessna 152 · Puyallup, WA · Accident · No injuries · Limited investigation · Final report · Jan 26, 1989 · N49104 · Substantial damage
  > Failure on the part of the student pilot to maintain directional control of the aircraft. Contributing to the accident were poor approach and flare technique and lack of recent experience.
- [NTSB SEA89IA042](https://openairdocs.org/ntsb/SEA89IA042.md): Fairchild SA-227-AC · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Jan 23, 1989 · N386PH · Minor damage
  > Inoperative nosewheel steering due to improper maintenance. Contributing to the incident was the lack of adequate maintenance information available in the aircraft manuals.
- [NTSB SEA89LA037](https://openairdocs.org/ntsb/SEA89LA037.md): Champion 7ECA · Port Townsend, WA · Accident · No injuries · Limited investigation · Final report · Jan 22, 1989 · N2582F · Substantial damage
  > Improper approach and flare technique on the part of the pilot, resulting in a hard landing. Contributing to the accident were tall trees surrounding the airstrip.
- [NTSB SEA89LA038](https://openairdocs.org/ntsb/SEA89LA038.md): Cessna 180A · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jan 19, 1989 · N9104R · Substantial damage
  > The pilot attempted to hand-prop the engine without properly securing it.
- [NTSB SEA89LA035](https://openairdocs.org/ntsb/SEA89LA035.md): Cessna 206 · Sekiu, WA · Accident · Minor injuries · Limited investigation · Final report · Jan 16, 1989 · N732FN · Substantial damage
  > Pilot attempted a landing in adverse weather conditions, rather than postpone the business trip and return to origin or other safe area. Contributing to the accident were turbulence and gusty winds along with the self induced pressure to make the business flt.
- [NTSB SEA89LA031](https://openairdocs.org/ntsb/SEA89LA031.md): Beech 99A · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Dec 24, 1988 · N4954W · Substantial damage
  > Acft was left overnight in heavy precip. Plt failed to ensure fuselage drains were clear and water accumulation drained before departing into below freezing flight temps. On lndg at dest, plt unable to achieve flare, resulting in hard lndg. Investigation…
- [NTSB SEA89LA025](https://openairdocs.org/ntsb/SEA89LA025.md): Cessna 177RG · Monroe, WA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1988 · N51386 · Substantial damage
  > Plt was lndg on unlit strip (center reflectors) at night and allowed acft to drift left on lndg roll. Acft contacted dirt mound adjacent to runway.
- [NTSB SEA89FA021](https://openairdocs.org/ntsb/SEA89FA021.md): Cessna 335 · Arlington, WA · Accident · 2 fatal · Field investigation · Final report · Dec 3, 1988 · N2706F · Destroyed
  > Drg a ngt arr, the plt was vectored for a LOC rwy 34 apch. After rchg the final apch fix/outer marker (om), he was clrd for the apch. Abt 5 or 6 min later, the ATC ctlr noticed the acft was aprx 7 mi nw of the arpt, climbing abv 3000' MSL. Missed apch…
- [NTSB SEA89LA018](https://openairdocs.org/ntsb/SEA89LA018.md): Robinson R-22 · Port Gamble, WA · Accident · No injuries · Limited investigation · Final report · Nov 12, 1988 · N2460P · Substantial damage
  > Foreign national pilot was obtaining helicopter instruction. On solo flt to practice lndgs in unimproved terrain, touched down on stump with one skid and rolled over. Plt cited temporary pwr loss during approach. Investigation found no engine malfunction.

Next page: https://openairdocs.org/ntsb.md?state=WA&page=43

## 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" = 'WA' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=42&state=WA

---
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.
