# 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 41 of 97 · 4,814 cases

## Cases, newest first

- [NTSB SEA90LA087](https://openairdocs.org/ntsb/SEA90LA087.md): Cessna 140 · Washougal, WA · Accident · No injuries · Limited investigation · Final report · May 24, 1990 · N72592 · Substantial damage
  > The pilot's inadequate preflight inspection of the airplane, which allowed water to remain in the fuel system. Collision with a tree was a factor related to the accident.
- [NTSB SEA90IA085](https://openairdocs.org/ntsb/SEA90IA085.md): Fairchild SA227 · Olympia, WA · Incident · Minor injuries · Incident investigation · Final report · May 23, 1990 · N27442 · Minor damage
  > Due to an ice build-up departing the propeller and striking the cabin window.
- [NTSB SEA90LA084](https://openairdocs.org/ntsb/SEA90LA084.md): Hughes 269A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · May 22, 1990 · N8888F · Substantial damage
  > Failure of the tail rotor control for an undetermined reason.
- [NTSB SEA90LA082](https://openairdocs.org/ntsb/SEA90LA082.md): Robert Van Scoyoc Soneria IIL · Ellensburg, WA · Accident · No injuries · Limited investigation · Final report · May 21, 1990 · N3229Z · Substantial damage
  > The loss of engine power due to carburetor icing, caused by the pilot's failure to apply carburetor heat. Factors in the accident were the carburetor icing weather conditions and the lack of suitable terrain for forced landing.
- [NTSB SEA90LA081](https://openairdocs.org/ntsb/SEA90LA081.md): Hughes 369D · Kelso, WA · Accident · 1 fatal · Limited investigation · Final report · May 21, 1990 · N8306F · No damage
  > Failure of the pilot to keep the external load clear of obstacles (trees). Factors related to the accident were: failure of the pilot and ground crewman to follow safety procedures, and the proximity of the trees.
- [NTSB SEA90LA077](https://openairdocs.org/ntsb/SEA90LA077.md): Piper PA-15 · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · May 13, 1990 · N4527H · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB SEA90LA075](https://openairdocs.org/ntsb/SEA90LA075.md): Bellanca 8KCAB · Pomeroy, WA · Accident · No injuries · Limited investigation · Final report · May 7, 1990 · N57514 · Substantial damage
  > A malfunctioning fuel injection system and the pilot's attempted operation above certificated maximum gross weight with a known deficiency in this equipment.
- [NTSB SEA90LA070](https://openairdocs.org/ntsb/SEA90LA070.md): Grumman AA-5 · Port Orchard, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 30, 1990 · N7127L · Substantial damage
  > Improper maintenance, and the installation of an improper carburetor. A factor related to the accident was the presence of trees and stumps in the emergency landing area.
- [NTSB SEA90LA067](https://openairdocs.org/ntsb/SEA90LA067.md): Becker Bensen B8M · Burlington, WA · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 1990 · N87917 · No damage
  > The pilot's failure to maintain clearance from the propeller.
- [NTSB SEA90FA071](https://openairdocs.org/ntsb/SEA90FA071.md): North American Navion H · Enumclaw, WA · Accident · 1 fatal · Field investigation · Final report · Apr 2, 1990 · N285RM · Destroyed
  > Pilot's inadequate preflight planning, and inadvertent flight into IMC conditions. Factors in the accident were the low ceiling and visibility weather conditions, the mountainous/hill terrain, the pilot's lack of instrument qualification and his lack of…
- [NTSB SEA90FA057](https://openairdocs.org/ntsb/SEA90FA057.md): Cessna 170 · Republic, WA · Accident · 2 fatal · Field investigation · Final report · Mar 25, 1990 · N4130V · Destroyed
  > Improper inspection and airworthiness certification of the aircraft on the last annual inspection by an FAA authorized repair station, the inadequate engine performance and low cylinder compression, and the pilots attempt to takeoff with known aircraft…
- [NTSB SEA90TL#01](https://openairdocs.org/ntsb/SEA90TL%2301.md): Bell 206 · Cougar, WA · Accident · No injuries · Class 3 · Final report · Mar 12, 1990 · N678KG · Substantial damage
- [NTSB SEA90LA051](https://openairdocs.org/ntsb/SEA90LA051.md): Cessna 150J · Graham, WA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1990 · N5559G · Substantial damage
  > Loss of engine power due to fuel exhaustion and inadequate remedial action after bouncing/ballooning during the forced landing. The pilot's inadequate preflight planning/preparation was a factor related to the accident.
- [NTSB SEA90LA048](https://openairdocs.org/ntsb/SEA90LA048.md): Bell BH-47G3B2 · Des Moines, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 1, 1990 · N4073G · Destroyed
  > Partial loss of engine power, cause undetermined. The aircraft was not recovered and examination of the engine was not possible.
- [NTSB SEA90LA050](https://openairdocs.org/ntsb/SEA90LA050.md): Cessna 140 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1990 · N2197V · Substantial damage
  > Engine loss of power was due to moisture damage to the coils in the magnetoes. During the forced landing in an open field, the airplane collided with a fence which resulted in substantial damage. The airplane had not undergone current maintenance inspections…
- [NTSB SEA90IA042](https://openairdocs.org/ntsb/SEA90IA042.md): Boeing 747-446B · Everett, WA · Incident · No injuries · Incident investigation · Final report · Feb 15, 1990 · UNREG · Minor damage
  > A break from pre-existing intergranular cracks which led to a fracture.
- [NTSB SEA90LA040](https://openairdocs.org/ntsb/SEA90LA040.md): Bell 206B · Winthrop, WA · Accident · No injuries · Limited investigation · Final report · Feb 4, 1990 · N49573 · Substantial damage
  > Water contamination of the fuel and the pilot's inadequate preflight of the aircraft. Darkness and the obstructions in the emergency landing area were related factors.
- [NTSB SEA90FA039](https://openairdocs.org/ntsb/SEA90FA039.md): Piper PA28-180 · Castle Rock, WA · Accident · 1 fatal · Field investigation · Final report · Feb 2, 1990 · N8859J · Destroyed
  > The pilot lost control of the airplane which entered a stall/spin that the pilot did not recover from.
- [NTSB SEA90FA036](https://openairdocs.org/ntsb/SEA90FA036.md): Piper PA-18 · Longmire, WA · Accident · 2 fatal · Field investigation · Final report · Jan 20, 1990 · N7216K · Destroyed
  > Undetermined.
- [NTSB SEA90LA034](https://openairdocs.org/ntsb/SEA90LA034.md): Cessna 177B · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Jan 9, 1990 · N35000 · Substantial damage
  > Failure of the pilot to attain the proper touchdown point or go-around. Factors related to the accident concerned the runway condition.
- [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.

Next page: https://openairdocs.org/ntsb.md?state=WA&page=42

## 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=41&state=WA

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