# 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 28 of 97 · 4,814 cases

## Cases, newest first

- [NTSB SEA99LA067](https://openairdocs.org/ntsb/SEA99LA067.md): Grumman G-164B · Okanogan, WA · Accident · No injuries · Limited investigation · Final report · May 19, 1999 · N6861K · Substantial damage
  > A malfunctioning carburetor. Factors include a downdraft, and the soft dirt in a newly plowed field.
- [NTSB SEA99LA066](https://openairdocs.org/ntsb/SEA99LA066.md): Mooney M-20G · Burlington, WA · Accident · No injuries · Limited investigation · Final report · May 19, 1999 · N6700N · Substantial damage
  > A loss of engine power due to carburetor contamination. Factors include the pilot's misjudgment of altitude and distance when he performed his forced landing.
- [NTSB SEA99LA062](https://openairdocs.org/ntsb/SEA99LA062.md): Cessna 172M · Omak, WA · Accident · No injuries · Limited investigation · Final report · May 16, 1999 · N73040 · Substantial damage
  > The pilot's failure to properly secure the aircraft before hand-propping.
- [NTSB SEA99LA065](https://openairdocs.org/ntsb/SEA99LA065.md): Boeing Stearman 1B75A · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Apr 30, 1999 · N56208 · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions. A factor contributing to the accident was a crosswind during the landing roll out.
- [NTSB SEA99LA064](https://openairdocs.org/ntsb/SEA99LA064.md): Boeing B75N1 · Chehalis, WA · Accident · No injuries · Limited investigation · Final report · Apr 30, 1999 · N275HP · Substantial damage
  > Directional control was not maintained after the right brake locked up for undetermined reasons. An uncontrolled ground loop was a factor.
- [NTSB SEA99LA141](https://openairdocs.org/ntsb/SEA99LA141.md): Bell 212 · Snoqualmie, WA · Accident · No injuries · Limited investigation · Final report · Apr 26, 1999 · N98W · Substantial damage
  > Clearance from an object was not maintained. A tree was a factor.
- [NTSB SEA99LA055](https://openairdocs.org/ntsb/SEA99LA055.md): Piper J-3 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Apr 22, 1999 · N48612 · 2 aircraft · Substantial damage
  > The failure of the pilot of the other aircraft to maintain clearance from the pilot's stationary aircraft.
- [NTSB SEA99LA054](https://openairdocs.org/ntsb/SEA99LA054.md): Wells Baby Lakes · Monroe, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 22, 1999 · N92JW · Destroyed
  > The pilot's failure to maintain aircraft control. A factor was attempting to fly the airplane outside of its weight and balance limits.
- [NTSB SEA99LA052](https://openairdocs.org/ntsb/SEA99LA052.md): Cessna 177 · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Apr 15, 1999 · N3564F · Substantial damage
  > The pilot's improper flare. Contributing factors were gusty, crosswind conditions, and the student's minimal overall experience.
- [NTSB SEA99LA049](https://openairdocs.org/ntsb/SEA99LA049.md): Cessna 172N · Puyallup, WA · Accident · No injuries · Limited investigation · Final report · Apr 13, 1999 · N75778 · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.
- [NTSB SEA99LA046](https://openairdocs.org/ntsb/SEA99LA046.md): Cessna 205 · Edison, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 2, 1999 · N8464K · Substantial damage
  > A total loss of engine power due to fatigue of the number six crankcheek resulting in crankshaft separation, and the lack of suitable terrain. Contributing factors were the sign and the ditch.
- [NTSB SEA99IA045](https://openairdocs.org/ntsb/SEA99IA045.md): Fokker F.28 MK 4000 · Spokane, WA · Incident · No injuries · Incident investigation · Final report · Apr 1, 1999 · N477AU · No damage
  > A chafed hydraulic line.
- [NTSB SEA99LA044](https://openairdocs.org/ntsb/SEA99LA044.md): Cessna T210L · Port Angeles, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 26, 1999 · N93377 · Substantial damage
  > The pilot's improper in-flight decision which resulted in a loss of power due to a contaminated fuel system. Factors include unsuitable terrain and the fence.
- [NTSB SEA99LA038](https://openairdocs.org/ntsb/SEA99LA038.md): Sikorsky S-64E · Shelton, WA · Accident · 1 fatal · Limited investigation · Final report · Mar 2, 1999 · N194AC · No damage
  > The failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).
- [NTSB SEA99LA033](https://openairdocs.org/ntsb/SEA99LA033.md): Robinson R-22 · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 15, 1999 · N8362Q · Substantial damage
  > The dual student's improper touchdown while drifting during a practice autorotation. Contributing to the accident was the flight instructor (CFI) inadequate remedial action.
- [NTSB SEA99LA030](https://openairdocs.org/ntsb/SEA99LA030.md): Cessna 175 · Moses Lake, WA · Accident · Serious injuries · Limited investigation · Final report · Jan 16, 1999 · N9326B · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.
- [NTSB SEA99LA025](https://openairdocs.org/ntsb/SEA99LA025.md): Cessna 177 · Bellingham, WA · Accident · No injuries · Limited investigation · Final report · Dec 26, 1998 · N2355Y · Substantial damage
  > Inadequate preflight planning/preparation, and the pilot's failure to maintain altitude. VFR flight into IMC conditions and cloudy weather conditions were factors.
- [NTSB SEA99LA024](https://openairdocs.org/ntsb/SEA99LA024.md): Cessna 120 · Omak, WA · Accident · No injuries · Limited investigation · Final report · Dec 26, 1998 · N120L · Substantial damage
  > The pilot-in-command's failure to maintain directional control. Contributing factors were the snow covered runway and a snowbank (berm) at the runway's edge.
- [NTSB SEA99LA023](https://openairdocs.org/ntsb/SEA99LA023.md): Piper PA-34-200 · Bellingham, WA · Accident · No injuries · Limited investigation · Final report · Dec 20, 1998 · CGHFD · Substantial damage
  > A hard landing due to the pilot's failure to maintain a proper descent rate. Factors include gusts and turbulence.
- [NTSB SEA99LA022](https://openairdocs.org/ntsb/SEA99LA022.md): Hiller UH-12E · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Dec 17, 1998 · N893FW · Substantial damage
  > Fuel exhaustion due to the pilot's failure to accomplish refueling.
- [NTSB SEA99LA021](https://openairdocs.org/ntsb/SEA99LA021.md): Elliott RAF 2000 · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Dec 16, 1998 · N797X · Substantial damage
  > The pilot's failure to maintain directional control after landing.
- [NTSB SEA99LA020](https://openairdocs.org/ntsb/SEA99LA020.md): Garlick UH-1H · Darrington, WA · Accident · Serious injuries · Limited investigation · Final report · Dec 14, 1998 · N94NW · Substantial damage
  > The total separation of the vertical fin (stabilizer), as the result of fatigue cracks which initiated in the fourth rivet hole above where the fin extends from the tailboom.
- [NTSB SEA99FA018](https://openairdocs.org/ntsb/SEA99FA018.md): Hughes 369D · Taholah, WA · Accident · Minor injuries · Field investigation · Final report · Dec 8, 1998 · N1096L · Substantial damage
  > Turbine wheel failure as the result of a low-cycle fatigue crack that initiated in a beyond-limits grinding gouge. Factors include improper maintenance by unknown parties and tree stumps that prohibited a successful emergency landing.
- [NTSB SEA99LA019](https://openairdocs.org/ntsb/SEA99LA019.md): Robinson R-22B · Carnation, WA · Accident · No injuries · Limited investigation · Final report · Dec 6, 1998 · N2304W · Substantial damage
  > The pilot's failure to maintain clearance with a wire. Related factors were the pilot's performance of a low pass, a transmission wire, and difficulty encountered by the pilot in detecting the wire visually.
- [NTSB SEA99FA015](https://openairdocs.org/ntsb/SEA99FA015.md): Piper PA-23-150 · Ferndale, WA · Accident · Serious injuries · Field investigation · Final report · Nov 16, 1998 · CFJXG · Substantial damage
  > The pilot's improper decision to attempt to reach his final destination after a partial loss of engine power, instead of making a precautionary landing at one of the airports he overflew along his route. Factors include an inadequate preflight, a fuel filter…
- [NTSB SEA99FA013](https://openairdocs.org/ntsb/SEA99FA013.md): Hiller UH-12E · Marshall, WA · Accident · 1 fatal · Field investigation · Final report · Nov 10, 1998 · N752GB · Destroyed
  > The loss of the bolt that connects the lateral cyclic linkage push rod to the lower end of the upper firewall-mounted lateral cyclic linkage bellcrank, resulting in an uncontrolled descent into the terrain.
- [NTSB SEA99LA012](https://openairdocs.org/ntsb/SEA99LA012.md): Stinson 108-2 · Rainier, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 8, 1998 · N9755K · Substantial damage
  > The pilot's failure to maintain clearance from objects in the approach path. Factors include the marked wires near the end of the runway.
- [NTSB SEA99LA011](https://openairdocs.org/ntsb/SEA99LA011.md): Cessna 152 · Auburn, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 7, 1998 · N6312P · Substantial damage
  > A partial loss of engine power due to carburetor ice formation. Factors included insufficient altitude/time available for remedial action, a tail wind during the forced landing attempt, and a fence at the end of the runway.
- [NTSB SEA99TA010](https://openairdocs.org/ntsb/SEA99TA010.md): Cessna TR182 · Desert Aire, WA · Accident · 2 fatal · Final report · Nov 6, 1998 · N756YE · Substantial damage
  > The pilot's failure to maintain adequate altitude and/or clearance over a power line crossing the river, resulting in collision with a static wire at the top of the crossing structure. Factors included the static wire, and inadequate marking of the static…
- [NTSB SEA99LA006](https://openairdocs.org/ntsb/SEA99LA006.md): Cessna 172G · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Oct 23, 1998 · N3765L · Substantial damage
  > Refueling was not preformed which subsequently led to fuel exhaustion. Factors include the student pilot's inadequate preflight planing/preparation.
- [NTSB SEA99GA007](https://openairdocs.org/ntsb/SEA99GA007.md): Cessna 182P · Deming, WA · Accident · 1 fatal · Final report · Oct 23, 1998 · N1324M · Destroyed
  > Terrain clearance was not maintained for undetermined reasons. Mountainous terrain was a factor.
- [NTSB ANC99LA005](https://openairdocs.org/ntsb/ANC99LA005.md): Beech G-35 · Neah Bay, WA · Accident · 1 fatal · Limited investigation · Final report · Oct 4, 1998 · N4479D · Destroyed
  > Undetermined. Missing Aircraft.
- [NTSB SEA98LA191](https://openairdocs.org/ntsb/SEA98LA191.md): Cessna 172L · Puyallup, WA · Accident · No injuries · Limited investigation · Final report · Sep 30, 1998 · N2880Q · Substantial damage
  > The pilot-in-command's failure to refuel en-route resulting in fuel exhaustion. Contributing factors were a vehicle (in the landing path) and dark night conditions.
- [NTSB SEA98LA188](https://openairdocs.org/ntsb/SEA98LA188.md): Cessna 150L · Freeland, WA · Accident · No injuries · Limited investigation · Final report · Sep 29, 1998 · N5867C · Substantial damage
  > Failure of the number two intake valve rocker arm in fatigue, and overload of the nose landing gear assembly. Factors include a ditch encountered during the forced landing.
- [NTSB SEA98LA183](https://openairdocs.org/ntsb/SEA98LA183.md): Piper PA-28-180 · Whidbey Airpark, WA · Accident · No injuries · Limited investigation · Final report · Sep 19, 1998 · N33321 · Substantial damage
  > The pilot misjudged her altitude and airspeed. Factors include a wet runway surface and high vegetation off the end of the runway.
- [NTSB SEA98LA181](https://openairdocs.org/ntsb/SEA98LA181.md): Kelly Kolb Mark III · Cashmere, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1998 · N62691 · Substantial damage
  > Fuel starvation caused by the partial blockage of the fuel pump chambers as a result of the misalignment of the fuel pump front cover by the pilot/builder. Factors include trees in the area in which the pilot attempted the forced landing.
- [NTSB SEA98FA179](https://openairdocs.org/ntsb/SEA98FA179.md): Cessna 172M · Concrete, WA · Accident · 2 fatal · Field investigation · Final report · Sep 16, 1998 · CFZEY · Substantial damage
  > The pilot's failure to maintain aircraft control for undetermined reasons. Night conditions were a factor.
- [NTSB SEA98LA174](https://openairdocs.org/ntsb/SEA98LA174.md): Cessna 180J · Oroville, WA · Accident · No injuries · Limited investigation · Final report · Sep 5, 1998 · N52130 · Substantial damage
  > The pilot-in-command's failure to establish and maintain proper alignment.
- [NTSB SEA98LA171](https://openairdocs.org/ntsb/SEA98LA171.md): Dornbos BD-4 · Kent, WA · Accident · No injuries · Limited investigation · Final report · Aug 26, 1998 · N91LJ · Substantial damage
  > Directional control was not maintained by the pilot in command.
- [NTSB SEA98FA170](https://openairdocs.org/ntsb/SEA98FA170.md): Cessna 172L · Anacortes, WA · Accident · 1 fatal · Field investigation · Final report · Aug 26, 1998 · N1069M · Substantial damage
  > Terrain clearance was not maintained. A low ceiling and the pilot's inadequate in-flight planning/decision were factors.
- [NTSB SEA98LA165](https://openairdocs.org/ntsb/SEA98LA165.md): Aeronca 7BCM · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Aug 15, 1998 · N83803 · Substantial damage
  > The pilots inadequate remedial action, while attempting to recover from an inadvertent activation of the brakes, during the landing-roll. Factors include the inadvertent brake activation and the rough/uneven runway.
- [NTSB SEA98FA164](https://openairdocs.org/ntsb/SEA98FA164.md): North American SNJ-5C · Winlock, WA · Accident · 2 fatal · Field investigation · Final report · Aug 14, 1998 · N766CA · Destroyed
  > The pilot's failure to maintain adequate altitude during attempted low-level aerobatics.
- [NTSB SEA98LA168](https://openairdocs.org/ntsb/SEA98LA168.md): Cessna 140 · Battleground, WA · Accident · No injuries · Limited investigation · Final report · Aug 12, 1998 · N77017 · Substantial damage
  > Nose Over for undetermined reasons.
- [NTSB SEA98LA160](https://openairdocs.org/ntsb/SEA98LA160.md): McDonnell Douglas 369D · Oso, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 1998 · N1096L · Substantial damage
  > The separation of the 90 degree gearbox and tail rotor assembly for undetermined reasons followed by the inability of the pilot-in-command to maintain control of the rotorcraft.
- [NTSB SEA98TA156](https://openairdocs.org/ntsb/SEA98TA156.md): Schweizer SGS 2-33 · Ephrata, WA · Accident · Minor injuries · Final report · Aug 2, 1998 · N5720S · Substantial damage
  > The student pilot-in-command's failure to maintain control of the aircraft during the landing. Contributing factors were panic and inadequate initial training.
- [NTSB SEA98IA153](https://openairdocs.org/ntsb/SEA98IA153.md): Embraer EMB-135 · Moses Lake, WA · Incident · No injuries · Incident investigation · Final report · Jul 30, 1998 · PTZJA · Minor damage
  > Aircraft control was not maintained.
- [NTSB SEA98LA151](https://openairdocs.org/ntsb/SEA98LA151.md): Curtiss-Wright 12W · Woodland, WA · Accident · No injuries · Limited investigation · Final report · Jul 26, 1998 · N11715 · Substantial damage
  > The pilot in command misjudged clearance from high vegetation when he landed. Factors include inadequate mowing of high vegetation by airport personnel, providing insufficient clearance for the wingspan of landing airplanes
- [NTSB SEA98LA147](https://openairdocs.org/ntsb/SEA98LA147.md): Pilgrim Steen Skybolt · Curtis, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1998 · N21SP · Substantial damage
  > Loss of control for undetermined reasons.
- [NTSB SEA98LA169](https://openairdocs.org/ntsb/SEA98LA169.md): Wiles S1-C · Yelm, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1998 · N43JW · Substantial damage
  > Fuel exhaustion due to overflying an intermediate fuel stop. Factors include high grass in the forced landing area.
- [NTSB SEA98LA144](https://openairdocs.org/ntsb/SEA98LA144.md): Cessna 172P · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jul 19, 1998 · N53630 · Substantial damage
  > The student pilot's failure to maintain directional control of the aircraft. Related factors were the student pilot's lack of total experience, and airport signs in the accident area.

Next page: https://openairdocs.org/ntsb.md?state=WA&page=29

## 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=28&state=WA

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