# 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 29 of 97 · 4,814 cases

## Cases, newest first

- [NTSB SEA98IA141](https://openairdocs.org/ntsb/SEA98IA141.md): McDonnell Douglas DC-8-63F · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Jul 18, 1998 · N921R · Minor damage
  > The flight crew's failure to perform a missed approach upon failing to attain and/or maintain proper course/runway alignment and glidepath on final approach, resulting in a high-sink-rate landing and subsequent separation of a main landing gear wheel from the…
- [NTSB SEA98LA133](https://openairdocs.org/ntsb/SEA98LA133.md): Beech 23 · Oakville, WA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1998 · N8719M · Substantial damage
  > Loss of power due to the failure of an exhaust valve, and overloading of the landing gear. Factors include the failure of maintenance personnel to verify proper compliance with an Airworthiness Directive related to the exhaust valve, and soft terrain.
- [NTSB SEA98LA130](https://openairdocs.org/ntsb/SEA98LA130.md): Person Vari EZE · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1998 · N29NS · Substantial damage
  > A lack of adequate carburetor heat available and overload of the main landing gear. Contributing factors were carburetor icing conditions and soft terrain.
- [NTSB SEA98LA128](https://openairdocs.org/ntsb/SEA98LA128.md): Hughes 369D · Raymond, WA · Accident · 1 fatal · Limited investigation · Final report · Jul 9, 1998 · N5063G · No damage
  > The use of the improper long-line cable by the ground crew, and its subsequent separation from the helicopter.
- [NTSB SEA98LA125](https://openairdocs.org/ntsb/SEA98LA125.md): Rockwell S-2R · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1998 · N4996X · Substantial damage
  > Separation of the throttle linkage which resulted in the loss of power. Factors include worn throttle linkage parts and the furrows in the plowed field which was the available field for the forced landing.
- [NTSB SEA98LA124](https://openairdocs.org/ntsb/SEA98LA124.md): Hiller UH-12E · Eltopia, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 1998 · N5360V · Destroyed
  > Fatigue of the control rotor blade spar and failure of the maintenance inspector to follow the procedures set forth in the airworthiness directive.
- [NTSB SEA98LA123](https://openairdocs.org/ntsb/SEA98LA123.md): Cessna 180H · Arlington, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 6, 1998 · N91380 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. Gusting winds were a factor.
- [NTSB SEA98LA119](https://openairdocs.org/ntsb/SEA98LA119.md): Cessna 170A · Renton, WA · Accident · No injuries · Limited investigation · Final report · Jul 4, 1998 · N1296D · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. Failure to jettison the external load and downdrafts were factors.
- [NTSB SEA98LA155](https://openairdocs.org/ntsb/SEA98LA155.md): Burkhart Grob G102 · Douglas, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1998 · N707NL · Substantial damage
  > The pilot's failure to maintain clearance from objects on the ground. Factors include misjudgment of weather conditions (unfavorable winds).
- [NTSB SEA98LA116](https://openairdocs.org/ntsb/SEA98LA116.md): Cessna A150M · Langley, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 2, 1998 · N8153V · Substantial damage
  > Clearance from an object was not maintained. The pilot's lack of recent experience in the type of aircraft, improper use of carburetor heat and exceeding the gross weight of the airplane were factors.
- [NTSB SEA98LA111](https://openairdocs.org/ntsb/SEA98LA111.md): Koster Murphy Rebel · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1998 · N265KK · Substantial damage
  > The pilot/builder's attachment inadequate installation of the aileron control pushrods to the control stick assembly, resulting in the ailerons deflecting in a direction opposite of the input applied by the pilot. Also causal was the pilot's inadequate…
- [NTSB SEA98LA106](https://openairdocs.org/ntsb/SEA98LA106.md): Schweizer G-164B · Oakdale, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1998 · N7502C · Substantial damage
  > A fatigue failure of the number three cylinder exhaust rocker box assembly, compromising the ability of the exhaust valve to operate. Factors include a ditch at the end of the runway.
- [NTSB SEA98LA095](https://openairdocs.org/ntsb/SEA98LA095.md): Grumman-Schweizer G-164B · Starbuck, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 1998 · N8252K · Destroyed
  > The pilot-in-command's failure to maintain adequate visual lookout. A contributing factor was the unmarked transmission lines.
- [NTSB SEA98LA093](https://openairdocs.org/ntsb/SEA98LA093.md): Cessna 150 · Amboy, WA · Accident · 1 fatal · Limited investigation · Final report · Jun 10, 1998 · N7759E · Substantial damage
  > The pilot's failure to maintain adequate altitude and/or clearance from terrain during a go-around attempt. Factors included a short landing area and trees in the landing area.
- [NTSB SEA98FA090](https://openairdocs.org/ntsb/SEA98FA090.md): Maule M-5-220C · Kettle Falls, WA · Accident · 2 fatal · Field investigation · Final report · Jun 6, 1998 · N16CB · Destroyed
  > The pilot's failure to maintain terrain clearance. A factor was an attempt to perform aerobatics at low altitude.
- [NTSB SEA98LA085](https://openairdocs.org/ntsb/SEA98LA085.md): Piper PA-30 · Everett, WA · Accident · 1 fatal · Limited investigation · Final report · Jun 4, 1998 · N98NT · Minor damage
  > The pilot-in-command's exiting the aircraft with both engines running to remove a wheel chock. A factor was the inadequate preflight of the aircraft (not removing the chock) prior to engine start.
- [NTSB SEA98FA088](https://openairdocs.org/ntsb/SEA98FA088.md): Cessna 172N · Prindle, WA · Accident · 3 fatal · Field investigation · Final report · Jun 4, 1998 · N6234D · Destroyed
  > The pilot-in-command's failure to maintain control of the aircraft during attempted flight into instrument meteorological conditions. Factors contributing to the accident were clouds, dark night conditions, spatial disorientation, and drug impairment.
- [NTSB SEA98LA075](https://openairdocs.org/ntsb/SEA98LA075.md): Cessna 170 · Auburn, WA · Accident · No injuries · Limited investigation · Final report · May 17, 1998 · N2534V · Substantial damage
  > The pilot's inadequate compensation for gusty crosswind conditions. A related factor was gusty crosswinds.
- [NTSB SEA98TA074](https://openairdocs.org/ntsb/SEA98TA074.md): Bell UH-1H · Naches, WA · Accident · Minor injuries · Final report · May 9, 1998 · N345SC · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB SEA98LA072](https://openairdocs.org/ntsb/SEA98LA072.md): Stinson 108-1 · Toledo, WA · Accident · 1 fatal · Limited investigation · Final report · May 7, 1998 · N8659K · Substantial damage
  > Partial loss of power for undetermined reasons.
- [NTSB SEA98LA070](https://openairdocs.org/ntsb/SEA98LA070.md): Cessna 172N · Enumclaw, WA · Accident · No injuries · Limited investigation · Final report · May 5, 1998 · N6468D · Substantial damage
  > The pilot's continued VFR flight into IMC conditions and his failure to maintain clearance from terrain. Clouds and mountainous terrain were a factor.
- [NTSB SEA98LA071](https://openairdocs.org/ntsb/SEA98LA071.md): Cessna 172M · Ocean Shores, WA · Accident · No injuries · Limited investigation · Final report · May 3, 1998 · N1673V · Substantial damage
  > The pilot's failure to maintain clearance from a light standard (utility pole) just off the edge of the parking ramp. Factors include a light standard placed near the edge of the parking ramp.
- [NTSB SEA98LA069](https://openairdocs.org/ntsb/SEA98LA069.md): Bell 47G3B2A · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · May 3, 1998 · N7965J · Substantial damage
  > The failure of the number two connecting rod, which led to additional internal engine damage and a complete loss of power. Factors include soft terrain in the area where the pilot found it necessary to execute his forced landing.
- [NTSB SEA98LA068](https://openairdocs.org/ntsb/SEA98LA068.md): Piper PA-28-160 · Monroe, WA · Accident · No injuries · Limited investigation · Final report · May 1, 1998 · N5157W · Substantial damage
  > Fuel starvation due to the flight instructor's improper in-flight decision to simulate an engine failure by pulling the mixture control toward the lean position until the engine shut down, and his failure to return the mixture to the rich position until after…
- [NTSB SEA98LA067](https://openairdocs.org/ntsb/SEA98LA067.md): Piper PA-20 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Apr 26, 1998 · N7458K · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, and his delayed remedial action when the aircraft started to drift off the side of the runway.
- [NTSB SEA98LA064](https://openairdocs.org/ntsb/SEA98LA064.md): Bell 47G-3B-1 · Sedro Wooley, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1998 · N80SD · Destroyed
  > Fuel contamination and subsequent carburetor fuel flow restriction initiated by the use of an improper material (incorrect fuel hose). A factor was the trees.
- [NTSB SEA98IA060](https://openairdocs.org/ntsb/SEA98IA060.md): Cessna 150L · Seattle, WA · Incident · Minor injuries · Incident investigation · Final report · Apr 9, 1998 · N39AA · Minor damage
  > The pilot's failure to reposition the flaps to the 20 degree position during a go-around, as called for in the Pilot's Operating Handbook. Factors include the pilot's decision to land long behind a departing aircraft, an encounter with wake turbulence during…
- [NTSB SEA98FA056](https://openairdocs.org/ntsb/SEA98FA056.md): Cessna P210N · Royal City, WA · Accident · 3 fatal · Field investigation · Final report · Mar 31, 1998 · CGBFM · Destroyed
  > Attempted VFR flight into IMC and terrain clearance was not maintained. A low ceiling was a factor.
- [NTSB SEA98LA050](https://openairdocs.org/ntsb/SEA98LA050.md): Hughes 369E · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1998 · N5245P · Substantial damage
  > Loss of engine power due to a restricted fuel system filter.
- [NTSB SEA98LA054](https://openairdocs.org/ntsb/SEA98LA054.md): Snow 600-S2C · Bickleton, WA · Accident · No injuries · Limited investigation · Final report · Mar 13, 1998 · N1640S · Destroyed
  > The pilot's mismanagement of the fuel which led to fuel exhaustion. A related factor was unsuitable terrain.
- [NTSB SEA98LA041](https://openairdocs.org/ntsb/SEA98LA041.md): Cessna 175 · Port Townsend, WA · Accident · No injuries · Limited investigation · Final report · Feb 26, 1998 · N7620M · Substantial damage
  > The pilot's misjudged distance and speed during landing. A factor was the wet grass runway.
- [NTSB SEA98LA039](https://openairdocs.org/ntsb/SEA98LA039.md): Cessna 150F · Fife, WA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1998 · N8794G · Substantial damage
  > The fracture separation of an exhaust valve head, followed by the total failure of the associated piston. A factor was the soft terrain at the location of the forced landing.
- [NTSB SEA98LA038](https://openairdocs.org/ntsb/SEA98LA038.md): Grumman-Schweizer G-164B · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1998 · N48493 · Substantial damage
  > The pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.
- [NTSB SEA98LA026](https://openairdocs.org/ntsb/SEA98LA026.md): Cessna 172P · Kenmore, WA · Accident · Minor injuries · Limited investigation · Final report · Dec 24, 1997 · N9566L · Substantial damage
  > the pilot's inadequately planned approach and failure to maintain directional control. The pilot's lack of total experience in kind of aircraft and haze were factors.
- [NTSB SEA98FA023](https://openairdocs.org/ntsb/SEA98FA023.md): Aero Commander 690A · Yakima, WA · Accident · 2 fatal · Field investigation · Final report · Dec 13, 1997 · N72VF · Destroyed
  > A loss of aircraft control for undetermined reasons.
- [NTSB SEA98LA022](https://openairdocs.org/ntsb/SEA98LA022.md): Cessna 150J · Silverdale, WA · Accident · No injuries · Limited investigation · Final report · Dec 10, 1997 · N51369 · Substantial damage
  > Ice accumulation in the carburetor throat. Factors include conditions conducive to serious carburetor icing, an inoperative starter due to a separated pull-to-start knob, and soft terrain at the location of the forced landing.
- [NTSB SEA98LA018](https://openairdocs.org/ntsb/SEA98LA018.md): Aero Commander 112 · Kettle Falls, WA · Accident · 3 fatal · Limited investigation · Final report · Dec 1, 1997 · N1054J · Destroyed
  > The pilot's failure to maintain terrain clearance while maneuvering. Factors include the physiological impairment of the pilot's judgement due to alcohol.
- [NTSB SEA98LA014](https://openairdocs.org/ntsb/SEA98LA014.md): Piper PA-18-150 · Battle Ground, WA · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 1997 · N1668P · Substantial damage
  > The owner/pilot's failure to properly install the fuel selector valve after removal, subsequently leading to a false indication on the valve selector handle. This led to the pilot unintentionally closing the valve and starving the engine of fuel during the…
- [NTSB SEA98LA005](https://openairdocs.org/ntsb/SEA98LA005.md): Piper PA-28-151 · Vashon, WA · Accident · No injuries · Limited investigation · Final report · Oct 19, 1997 · N5987F · Substantial damage
  > A misjudged soft field takeoff. Factors include wet grass.
- [NTSB FTW98IA019](https://openairdocs.org/ntsb/FTW98IA019.md): Boeing 757-222 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Oct 16, 1997 · N581UA · Minor damage
  > Maintenance personnel's failure to properly secure the left off-wing slide door after routine slide replacement, allowing an inflight separation of the slide. Factors were inadequate training of maintenance personnel and inadequate written instructions by the…
- [NTSB SEA98LA034](https://openairdocs.org/ntsb/SEA98LA034.md): Cessna U-206E · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Oct 9, 1997 · N9428G · Substantial damage
  > the pilot's failure to park with the aircraft headed into the wind in high wind conditions. A factor include the high wind condition.
- [NTSB SEA97LA220](https://openairdocs.org/ntsb/SEA97LA220.md): Piper PA-32-300 · Stuart Island, WA · Accident · No injuries · Limited investigation · Final report · Sep 28, 1997 · N55629 · Substantial damage
  > The pilot's improper decision to land on a wet grass runway with a ten knot tailwind. Factors were the wet runway surface and tailwind.
- [NTSB SEA97IA219](https://openairdocs.org/ntsb/SEA97IA219.md): Boeing 737-3T0 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Sep 27, 1997 · N13331 · No damage
  > Separation of the ABSB-4 aileron bus cable, resulting in reduced lateral controllability of the aircraft. Related factors were wear in the cable and inadequate inspection of the cable by company maintenance personnel.
- [NTSB SEA97FA215](https://openairdocs.org/ntsb/SEA97FA215.md): Cessna 172M · Bremerton, WA · Accident · 3 fatal · Field investigation · Final report · Sep 24, 1997 · N6756H · Substantial damage
  > The pilot's misjudgment of distance and altitude from the runway, and his subsequent failure to maintain clearance from the terrain. Factors contributing to the accident were dark night conditions, the pilot's improper decision to conduct the flight at night,…
- [NTSB SEA97LA214](https://openairdocs.org/ntsb/SEA97LA214.md): Cessna 172RG · Monroe, WA · Accident · No injuries · Limited investigation · Final report · Sep 23, 1997 · N64ML · Substantial damage
  > The failure of the flight instructor to adequately perform remedial action, and her failure to abort the takeoff. Factors contributing to the accident include the premature rotation of the airplane by the dual student, the failure of the dual student to…
- [NTSB SEA97LA213](https://openairdocs.org/ntsb/SEA97LA213.md): Barrigar RV-6 · Goldendale, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1997 · N812AB · Substantial damage
  > The pilot's failure to maintain directional control. Factors contributing to the accident were: the pilot's delayed initiation of a go-around maneuver, downhill, and soft terrain.
- [NTSB SEA97LA209](https://openairdocs.org/ntsb/SEA97LA209.md): de Havilland DHC-1 · Winlock, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 13, 1997 · N6004A · Substantial damage
  > the pilot's failure to attain proper alignment during touchdown and failure to maintain directional control. A wet runway was a factor.
- [NTSB LAX97GA325](https://openairdocs.org/ntsb/LAX97GA325.md): Bell 205A-1 · Sequim, WA · Accident · 3 fatal · Final report · Sep 12, 1997 · N90HJ · Destroyed
  > the pilot's intentional flight into known adverse weather conditions in mountainous terrain.
- [NTSB SEA97LA203](https://openairdocs.org/ntsb/SEA97LA203.md): Piper PA-18-150 · Harrah, WA · Accident · 1 fatal · Limited investigation · Final report · Sep 6, 1997 · N2349J · Substantial damage
  > The pilot's failure to maintain clearance from a transmission wire while on final approach. A factor was a 40-foot high transmission wire located approximately 20 feet from the end of the airstrip.
- [NTSB SEA97FA202](https://openairdocs.org/ntsb/SEA97FA202.md): McDonnell Douglas DC-9-82 (MD-82) · Seattle, WA · Accident · Minor injuries · Field investigation · Final report · Sep 2, 1997 · N951AS · Substantial damage
  > fatigue failure of the nose landing gear upper lock link, due in part to reduced strength after the manufacturing process was changed from forged to machined plate stock; and inadequate non-destructive inspection process for testing the link.

Next page: https://openairdocs.org/ntsb.md?state=WA&page=30

## 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=29&state=WA

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