# 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 39 of 97 · 4,814 cases

## Cases, newest first

- [NTSB SEA91FA124](https://openairdocs.org/ntsb/SEA91FA124.md): Bell 206BII · Brewster, WA · Accident · No injuries · Field investigation · Final report · May 28, 1991 · N90307 · Substantial damage
  > The pilot-in-command's selection of unsuitable terrain for the emergency simulation.
- [NTSB SEA91LA136](https://openairdocs.org/ntsb/SEA91LA136.md): Schweizer G-164B · Wilson Creek, WA · Accident · No injuries · Limited investigation · Final report · May 27, 1991 · N8407K · Substantial damage
  > The loss of engine power in flight due to improper overhaul of the carburetor float assembly fulcrum screw, shutting off fuel flow to the engine.
- [NTSB SEA91LA127](https://openairdocs.org/ntsb/SEA91LA127.md): Maxair Ultralight · Toledo, WA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · UNREG · Substantial damage
  > The pilot's inattentiveness. Factors were his performance of a low pass, and a transmission wire in his flight path.
- [NTSB SEA91LA116](https://openairdocs.org/ntsb/SEA91LA116.md): Greg Smith KR-2 · Twisp, WA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · N47KR · Substantial damage
  > The loss of engine power in flight due to shorted magneto wires, resulting from inadequate maintenance inspection by the pilot.
- [NTSB SEA91FA119](https://openairdocs.org/ntsb/SEA91FA119.md): Stinson 108-2 · Gold Bar, WA · Accident · 2 fatal · Field investigation · Final report · May 25, 1991 · N9715K · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions (IMC), and his failure to remain clear of the obstacles (trees). The adverse weather condition (fog) was a related factor.
- [NTSB SEA91LA109](https://openairdocs.org/ntsb/SEA91LA109.md): Bell 47G-3B-1 · Malott, WA · Accident · No injuries · Limited investigation · Final report · May 19, 1991 · N73903 · Destroyed
  > An undetermined failure of the fuel pump casing resulting in an in flight fire and loss of engine power.
- [NTSB SEA91LA107](https://openairdocs.org/ntsb/SEA91LA107.md): Cessna 182A · Mead, WA · Accident · No injuries · Limited investigation · Final report · May 17, 1991 · N5048D · Substantial damage
  > Carburetor ice and the pilot not using the carburetor hear. Factors to the accident were: carburetor icing conditions, and the pilot did not adequately evaluate the weather conditions.
- [NTSB SEA91LA108](https://openairdocs.org/ntsb/SEA91LA108.md): Lee Bede BD-4 · Elma, WA · Accident · No injuries · Limited investigation · Final report · May 16, 1991 · N17127 · Substantial damage
  > The pilot did not maintain an adequate airspeed. Factors to the accident were: proper alignment was not maintained, inadequate remedial action, and the pilot did not identify a stall.
- [NTSB SEA91LA103](https://openairdocs.org/ntsb/SEA91LA103.md): Cessna 182N · Shelton, WA · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N8949G · Substantial damage
  > The total loss of power due to mechanical failure when the pilot was over unsuitable terrain for a forced landing. Factors include a hard landing after an inadvertent stall prior to touchdown on a highway.
- [NTSB SEA91LA102](https://openairdocs.org/ntsb/SEA91LA102.md): Boeing A-75 · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · May 11, 1991 · N53280 · Substantial damage
  > The pilot did not maintain directional control during the landing roll. The factor to the accident was: the pilot's remedial action was inadequate.
- [NTSB SEA91FA099](https://openairdocs.org/ntsb/SEA91FA099.md): Piper PA-34-200T · Ravensdale, WA · Accident · 1 fatal · Field investigation · Final report · May 7, 1991 · N2859M · Destroyed
  > The in-flight breakup of the airplane as a result of the pilot exceeding the speed and stress limits for the airplane. A factor relating to the accident was the center of gravity loading that exceeded the aft limits.
- [NTSB SEA91LA100](https://openairdocs.org/ntsb/SEA91LA100.md): Cessna A185F · Orting, WA · Accident · No injuries · Limited investigation · Final report · May 3, 1991 · N2450J · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft. Contributing to the accident was a vibration in the left main landing gear.
- [NTSB SEA91LA093](https://openairdocs.org/ntsb/SEA91LA093.md): Aeronca 7BCM · Elma, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1991 · N81578 · Substantial damage
  > The pilot used inadequate starting procedures. Factors to the accident were: the pilot did not use proper assistance and the passenger's inadvertent control interference.
- [NTSB SEA91LA092](https://openairdocs.org/ntsb/SEA91LA092.md): Smelser KR-2 · Spokane, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 1991 · N570TS · Substantial damage
  > A failure of the fuel drain valve which resulted in fuel exhaustion and a loss of engine power.
- [NTSB SEA91LA091](https://openairdocs.org/ntsb/SEA91LA091.md): Schwartz Bushby MM-1 · Ephrata, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 1991 · N484N · Destroyed
  > The pilot's loss of control after he initiated a maneuver at low altitude.
- [NTSB SEA91LA090](https://openairdocs.org/ntsb/SEA91LA090.md): Piper PA-22-108 · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1991 · N1567Z · Substantial damage
  > An improper fuel selector valve handle, improper selection of the fuel selector position, and the pilot's lack of understanding of the fuel selector position.
- [NTSB SEA91FA089](https://openairdocs.org/ntsb/SEA91FA089.md): Cessna 150L · Mount Vernon, WA · Accident · 2 fatal · Field investigation · Final report · Apr 20, 1991 · N16230 · Destroyed
  > The pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin at low altitude. His lack of experience was a related factor.
- [NTSB SEA91LA086](https://openairdocs.org/ntsb/SEA91LA086.md): Grumman G-21A · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1991 · N9750Z · Substantial damage
  > The pilot-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.
- [NTSB SEA91LA084](https://openairdocs.org/ntsb/SEA91LA084.md): Cessna C-172N · Ellensburg, WA · Accident · No injuries · Limited investigation · Final report · Apr 13, 1991 · N75646 · Substantial damage
  > The improper maintenance inspection of the airccraft. A factor relating to the accident was a ditch in the ladning area.
- [NTSB SEA91LA083](https://openairdocs.org/ntsb/SEA91LA083.md): Aeronca 11AC · Port Orchard, WA · Accident · No injuries · Limited investigation · Final report · Apr 12, 1991 · N85948 · Substantial damage
  > The loss of engine power due to contaminated fuel system.
- [NTSB SEA91IA081](https://openairdocs.org/ntsb/SEA91IA081.md): Boeing 737-222 · Seattle, WA · Incident · Minor injuries · Incident investigation · Final report · Apr 10, 1991 · N9003U · Minor damage
  > Turbine blade failure from fatigue. Factors to the incident were inoperative engine fire extinguisher, inadequate service of aircraft and delayed deployment of emergency slide.
- [NTSB SEA91LA079](https://openairdocs.org/ntsb/SEA91LA079.md): Grumman American AA-1C · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N9651U · Destroyed
  > Carburetor ice as a result of the pilot's improper use of carburetor heat.
- [NTSB SEA91LA078](https://openairdocs.org/ntsb/SEA91LA078.md): Robinson R22 Beta · Kent, WA · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N24176 · Substantial damage
  > The pilot's inadequate remedial action to correct the imminent dynamic rollover. Factors to the accident were: the pilot's poorly planned approach and lack of totoal flight experience.
- [NTSB SEA91LA077](https://openairdocs.org/ntsb/SEA91LA077.md): Bell BH-47G2A · Waitsburg, WA · Accident · No injuries · Limited investigation · Final report · Mar 31, 1991 · N38926 · Substantial damage
  > The improper installation of the main rotor mast nut and lock washer by maintenance personnel which resulted in the separation of the main rotor system.
- [NTSB SEA91FA075](https://openairdocs.org/ntsb/SEA91FA075.md): Robinson R-22 Beta · Seattle, WA · Accident · 1 fatal · Field investigation · Final report · Mar 31, 1991 · N2631V · Destroyed
  > The loss of control in flight by the pilot due to his improper preflight preparation in failing to secure cargo which shifted in flight and interfered with the movement of the cyclic control stick.
- [NTSB SEA91LA074](https://openairdocs.org/ntsb/SEA91LA074.md): Cessna 180 · Friday Harbor, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 29, 1991 · N2601Y · Substantial damage
  > The pilot's failure to maintain a proper climb gradient and rate as a result of his inadequate compensation for wind conditions.
- [NTSB SEA91FA076](https://openairdocs.org/ntsb/SEA91FA076.md): Piper PA-24-250 · Chehalis, WA · Accident · 1 fatal · Field investigation · Final report · Mar 28, 1991 · N6044P · Destroyed
  > A loss of engine power due to an improper overhaul.
- [NTSB SEA91LA070](https://openairdocs.org/ntsb/SEA91LA070.md): Champion 7ECA · Everett, WA · Accident · No injuries · Limited investigation · Final report · Mar 27, 1991 · N371RF · Substantial damage
  > The pilot did not maintain control of the airplane during the landing roll. Factors tot he accient were the pilot inadequately planned the approach, and uncontrolled ground-loop, and the pilot's lack of total experience in this type of aircraft.
- [NTSB SEA91FA069](https://openairdocs.org/ntsb/SEA91FA069.md): Cessna 150G · Kennewick, WA · Accident · 2 fatal · Field investigation · Final report · Mar 27, 1991 · N4065J · Destroyed
  > Improper planning/decision by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel, and his failure to maintain adequate airspeed, while maneuvering to make a forced landing, which resulted in a stall.
- [NTSB SEA91LA068](https://openairdocs.org/ntsb/SEA91LA068.md): Cessna 140 · Pullman, WA · Accident · No injuries · Limited investigation · Final report · Mar 17, 1991 · N2455N · Substantial damage
  > The pilot's encounter with wake turbulence shortly before touchdown, resulting in a hard landing.
- [NTSB SEA91LA065](https://openairdocs.org/ntsb/SEA91LA065.md): Cessna 172P · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Mar 9, 1991 · N64599 · Substantial damage
  > A hard landing due to the pilot's midjudgement of his touchdown.
- [NTSB SEA91LA063](https://openairdocs.org/ntsb/SEA91LA063.md): Cessna 120 · Skykomish, WA · Accident · No injuries · Limited investigation · Final report · Mar 9, 1991 · N3163N · Substantial damage
  > The pilot's failure to take appropriate remedial action after landing too FAR down the runway.
- [NTSB SEA91LA062](https://openairdocs.org/ntsb/SEA91LA062.md): Cessna 152 · Gig Harbor, WA · Accident · No injuries · Limited investigation · Final report · Mar 8, 1991 · N5095P · Substantial damage
  > The pilot's failure to maintain directional control on the ground. Factors include wind gusts.
- [NTSB SEA91FA061](https://openairdocs.org/ntsb/SEA91FA061.md): Cessna 172M · Bellingham, WA · Accident · 3 fatal · Field investigation · Final report · Mar 6, 1991 · CGJNM · Destroyed
  > VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain proper altitude and/or cleareance from the mountainous terrain. Factors related to the accident were: darkness and the adverse weather and terrain conditions.
- [NTSB SEA91FA060](https://openairdocs.org/ntsb/SEA91FA060.md): Cessna 172N · Bellingham, WA · Accident · 3 fatal · Field investigation · Final report · Mar 6, 1991 · CGIXI · Destroyed
  > VFR flight by the non-instrument rated pilot into instrument meteorological conditions (IMC), and his failure to maintain proper altitude and/or clearance from the mountainous terrain. Factors related to the accident were: darkness and the adverse weather and…
- [NTSB SEA91LA056](https://openairdocs.org/ntsb/SEA91LA056.md): Cessna 152 · Port Townsend, WA · Accident · No injuries · Limited investigation · Final report · Feb 27, 1991 · N67705 · Substantial damage
  > The pilot's failure to maintain aircraft directional control during landing roll. Factors relating to the accident were the crosswind weather conditions and the soft terrain beside the runway.
- [NTSB SEA91LA058](https://openairdocs.org/ntsb/SEA91LA058.md): Cessna 152 · Monroe, WA · Accident · No injuries · Limited investigation · Final report · Feb 23, 1991 · N6568B · Substantial damage
  > The pilot's selection of an unsuitable landing sute after making the decision to attempt a precautionary landing.
- [NTSB SEA91LA052](https://openairdocs.org/ntsb/SEA91LA052.md): Cessna 182Q · Anacortes, WA · Accident · No injuries · Limited investigation · Final report · Feb 2, 1991 · N96378 · Substantial damage
  > The pilot improper planning/decisions. The high wind was a factor.
- [NTSB SEA91LA045](https://openairdocs.org/ntsb/SEA91LA045.md): Cessna C-150L · Alderwood Manor, WA · Accident · No injuries · Limited investigation · Final report · Jan 22, 1991 · N5437Q · Substantial damage
  > The failure of the pilot in command to attain proper clearance from terrain. A factor relating to this accident was the night light conditions.
- [NTSB SEA91FA261](https://openairdocs.org/ntsb/SEA91FA261.md): Beech 35 · Walla Walla, WA · Accident · No injuries · Field investigation · Final report · Jan 16, 1991 · N3081V · Substantial damage
  > Improper static balance of the ruddervators following rebuilding/repainting, which resulted in empennage flutter. Improper installation of the trim tabs and an encounter with turbulence were related factors.
- [NTSB SEA91LA042](https://openairdocs.org/ntsb/SEA91LA042.md): Beech 58P · Chelan, WA · Accident · No injuries · Limited investigation · Final report · Jan 15, 1991 · N3826K · Substantial damage
  > The pilot's failure to maintain directional control during landing roll. A factor was the patchy ice on the runway.
- [NTSB SEA91FA039](https://openairdocs.org/ntsb/SEA91FA039.md): Cessna 140 · Port Orchard, WA · Accident · 1 fatal · Field investigation · Final report · Jan 3, 1991 · N77179 · Substantial damage
  > The pilot's failure to initiate an aborted takeoff at a time that left adequate runway remaining to bring the aircraft to a stop.
- [NTSB SEA91LA035](https://openairdocs.org/ntsb/SEA91LA035.md): Cessna 182-E · Anacortes, WA · Accident · No injuries · Limited investigation · Final report · Dec 17, 1990 · N3017Y · Substantial damage
  > The poor inflight decision by the PIC to land on a short grass airstrip in strong gusty tailwind conditions.
- [NTSB SEA91LA034](https://openairdocs.org/ntsb/SEA91LA034.md): Beech D50C · Snohomish, WA · Accident · 1 fatal · Limited investigation · Final report · Dec 15, 1990 · N833Q · Substantial damage
  > The obstruction (protruding door support bracket) in the doorway of the aircraft; failure of the company/operator personnel, the pilot, and the skydivers to assure that the doorway was clear of obstructions; and subsequent snagging of the d-ring, which…
- [NTSB SEA91LA030](https://openairdocs.org/ntsb/SEA91LA030.md): Robinson Wenoso · Olympia, WA · Accident · 1 fatal · Limited investigation · Final report · Dec 7, 1990 · N1041 · Destroyed
  > The inadvertant stall/spin and loss of aircraft control by the pilot in command while performing aerobatic maneuvers.
- [NTSB SEA91LA032](https://openairdocs.org/ntsb/SEA91LA032.md): Piper PA-46-310P · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Dec 1, 1990 · N437OZ · Substantial damage
  > The pilot's failure to maintain airspeed while on an instrument approach under instrument meteorlogical conditions, resulting in the aircraft stalling and enter a spin.
- [NTSB SEA91FA027](https://openairdocs.org/ntsb/SEA91FA027.md): Aero Commander 690A · Ryderwood, WA · Accident · 5 fatal · Field investigation · Final report · Dec 1, 1990 · N400N · Destroyed
  > The pilot's improper inflight planning and failure to maintain proper altitude in mountainous terrain at night.
- [NTSB SEA91FA025](https://openairdocs.org/ntsb/SEA91FA025.md): Piper PA31 · Enumclaw, WA · Accident · Serious injuries · Field investigation · Final report · Nov 29, 1990 · N13UW · Destroyed
  > Fuel exhaustion due to inadequate preflight planning and preparations, and poor inflight planning and decisions. The pilot elected to fly into known adverse weather conditions, and did not calculate fuel consumption for the planned flight.
- [NTSB SEA91LA022](https://openairdocs.org/ntsb/SEA91LA022.md): Beech 65-88 · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Nov 22, 1990 · N6CH · Substantial damage
  > The pilot's misjudgement of his touchdown due to disorientation caused by his lack of forward visibility created by an accumulation of ice on the windshield.
- [NTSB SEA91LA018](https://openairdocs.org/ntsb/SEA91LA018.md): Champion 7ECA · Bremerton, WA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 1990 · N7584U · Destroyed
  > The pilot did not maintain altitude.

Next page: https://openairdocs.org/ntsb.md?state=WA&page=40

## 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=39&state=WA

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