# NTSB investigations, WA: On ground/water encounter with terrain/water

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.

## Latest cases

- [NTSB SEA07CA235](https://openairdocs.org/ntsb/SEA07CA235.md): Cessna 172B · Seattle, WA · Accident · No injuries · Data collection · Final report · Aug 14, 2007 · N7657X · Substantial damage
  > The private pilot's failure to see the approaching large wake swell, both during his landing and the subsequent takeoff, and the failure of the instructor pilot to insure that the private pilot's visual lookout was effective enough to detect the oncoming…
- [NTSB SEA06CA143](https://openairdocs.org/ntsb/SEA06CA143.md): Rolladen-Schneider LS3A · Enumclaw, WA · Accident · No injuries · Data collection · Final report · Jul 9, 2006 · N43MM · Substantial damage
  > The glider pilot's failure to maintain directional control during the landing roll, resulting in the aircraft impacting the dirt embankment on the side of the emergency run-out area. Factors include the pilot's improper decision not to deploy more airbrakes…
- [NTSB SEA05LA141](https://openairdocs.org/ntsb/SEA05LA141.md): Cessna 206E · Stuart Island, WA · Accident · No injuries · Limited investigation · Final report · Jul 8, 2005 · N9428G · Substantial damage
  > The pilot's excessive airspeed on final for the current runway surface conditions, and the intentional obstruction avoidance maneuver he executed when it became clear the aircraft was about to go off the end of the runway. Factors include the pilot's improper…
- [NTSB SEA05LA036](https://openairdocs.org/ntsb/SEA05LA036.md): Cessna U206F · Prevost, WA · Accident · No injuries · Limited investigation · Final report · Jan 14, 2005 · N8313Q · Substantial damage
  > The pilot not identifying unsafe landing conditions, and his subsequent intentional swerve during the landing roll resulting in impacting a ditch. Contributing factors were the ice/frost on the grass/dirt one-way runway (1,560 feet in length), the unexpected…
- [NTSB SEA04LA049](https://openairdocs.org/ntsb/SEA04LA049.md): Cessna 172M · Eltopia, WA · Accident · No injuries · Limited investigation · Final report · Mar 14, 2004 · N1883V · Substantial damage
  > Remedial action delayed during the takeoff roll. Factors include rough/uneven terrain.
- [NTSB SEA03LA109](https://openairdocs.org/ntsb/SEA03LA109.md): Maule M-7-235C · Moses Lake, WA · Accident · No injuries · Limited investigation · Final report · Jun 20, 2003 · C-FCDM · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the landing roll. Factors include gusty crosswinds.
- [NTSB SEA02LA099](https://openairdocs.org/ntsb/SEA02LA099.md): Cessna 172K · Clarkston, WA · Accident · No injuries · Limited investigation · Final report · Jun 13, 2002 · N84840 · Substantial damage
  > The pilot's failure to maintain control of the aircraft during taxi along the gravel landing site after having landed off the designated runway. A contributing factor was the embankment which the aircraft's left wing impacted during taxi.
- [NTSB SEA01LA129](https://openairdocs.org/ntsb/SEA01LA129.md): Piper PA-24-250 · Fragaria, WA · Accident · No injuries · Limited investigation · Final report · Jul 7, 2001 · N7994P · Substantial damage
  > The pilot's failure to maintain adequate directional control. Contributing factors were the embankment and the deer.
- [NTSB SEA01LA098](https://openairdocs.org/ntsb/SEA01LA098.md): Cessna 172 · Rogersburg, WA · Accident · No injuries · Limited investigation · Final report · May 19, 2001 · N4053F · Substantial damage
  > The pilot's failure to maintain aircraft control while on final approach for landing. A tailwind was a factor.
- [NTSB SEA01LA096](https://openairdocs.org/ntsb/SEA01LA096.md): Cessna 180A · Mercer Island, WA · Accident · No injuries · Limited investigation · Final report · May 6, 2001 · N9732B · Substantial damage
  > the pilot's inadequate visual lookout during an approach and landing in open water. Factors include a large wave/swell at the location where the pilot elected to land his float-equipped airplane.
- [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 SEA96LA189](https://openairdocs.org/ntsb/SEA96LA189.md): Piper PA-18 · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · Aug 13, 1996 · N8109Y · Substantial damage
  > failure of the pilot to maintain proper alignment with the landing area (driveway) during the landing. Factors relating to the accident were: the selection of an unsuitable area for landing, the reported turbulence during landing, and an encounter with a rock…
- [NTSB SEA95LA215](https://openairdocs.org/ntsb/SEA95LA215.md): Socata Rallye 150 ST · Yakima, WA · Accident · No injuries · Limited investigation · Final report · Sep 10, 1995 · N308RA · Substantial damage
  > The pilot's inadequate compensation for wind conditions. The downdraft was a factor.
- [NTSB SEA94LA108](https://openairdocs.org/ntsb/SEA94LA108.md): Piper J3C-65 · Snohomish, WA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1994 · N70277 · Substantial damage
  > Poor in-flight planning/decision. A factor to the accident was: high vegetation.
- [NTSB SEA93LA183](https://openairdocs.org/ntsb/SEA93LA183.md): Piper PA-28-235 · Enumclaw, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 1993 · N9148 · Destroyed
  > The pilot's delayed remedial action. Factors include a wet, downhill, grass runway during the abort.
- [NTSB SEA93LA218](https://openairdocs.org/ntsb/SEA93LA218.md): Cessna A188B · Rockford, WA · Accident · No injuries · Limited investigation · Final report · Jul 12, 1993 · N5858G · Substantial damage
  > The pilot failed to maintain alignment with the landing area. A factor to the accident was: high vegetation.
- [NTSB SEA93LA141](https://openairdocs.org/ntsb/SEA93LA141.md): Let Blanik L-13 · Enumclaw, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1993 · N82AS · Substantial damage
  > The pilot's failure to attain the proper touchdown point. Factors to the accident were: lack of familiarity with geographic area and the grass.
- [NTSB SEA91LA161](https://openairdocs.org/ntsb/SEA91LA161.md): American AA-1A · Sequim, WA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1991 · N5FA · Substantial damage
  > The pilot's failure to maintain directional control during takeoff. Contributing to the accident was a hidden obstruction.
- [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 SEA90FA149](https://openairdocs.org/ntsb/SEA90FA149.md): Piper PA-22-150 · Leavenworth, WA · Accident · 1 fatal · Field investigation · Final report · Jul 30, 1990 · N9978D · Destroyed
  > The pilot's misjudgement in preflight planning when departing toward rising terrain. Contributing factors in this accident were his decision to attempt a climb-out with full flaps extended, and the minimal performance data available to him upon which he could…
- [NTSB SEA90LA103](https://openairdocs.org/ntsb/SEA90LA103.md): Grumman G-164A · Tekoa, WA · Accident · No injuries · Limited investigation · Final report · Jun 21, 1990 · N29SK · Destroyed
  > Failure of the pilot to maintain clearance between the airplane and tall grass adjacent to the gravel strip.
- [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 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 SEA88LA037](https://openairdocs.org/ntsb/SEA88LA037.md): Cessna 172P · Vashon Island, WA · Accident · No injuries · Limited investigation · Final report · Jan 20, 1988 · N5328K · Substantial damage
  > During landing roll the pilot made an intentional groundloop to avoid trees at the end of the short, wet, S0D runway. The pilot reported that the use of brakes was ineffective. He stated that he made the landing using 30 degs of flaps at an airspeed of 60…
- [NTSB SEA87LA116](https://openairdocs.org/ntsb/SEA87LA116.md): Piper PA-28-160 · Odessa, WA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1987 · N5458W · Substantial damage
  > During landing roll on a dirt road, the aircraft drifted to the side, encountered the shoulder ditch and flipped over.
- [NTSB SEA87LA161](https://openairdocs.org/ntsb/SEA87LA161.md): Grumman AA1B · Ocean Shores, WA · Accident · No injuries · Limited investigation · Final report · May 9, 1987 · N6296L · Substantial damage
  > The plt landed his acft onto a golf course which had been the previous site for the airport. The airport had been closed since December 1985 and relocated close by. The pavement at the old airport had been replaced by sod. During landing roll, the aircraft…
- [NTSB SEA85LA055](https://openairdocs.org/ntsb/SEA85LA055.md): Beech 58TC · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 9, 1985 · N6588S · Substantial damage
  > The acft touched down to the left of the runway onto snow. Visibility at the time of the accident was 1 mile with snow and a ceiling of 700 feet.
- [NTSB SEA85IA024](https://openairdocs.org/ntsb/SEA85IA024.md): Fairchild Swearingen SA 227 · Pullman, WA · Incident · No injuries · Incident investigation · Final report · Nov 30, 1984 · N1014T · Minor damage
  > The aircraft's landing gear collapsed after the plane went off the right side of runway 23 during takeoff. Reportedly, the aircraft drifted to the right of centerline on a fairly constant arc until contacting a snow berm at a taxiway intersection. An…
- [NTSB SEA84LA152](https://openairdocs.org/ntsb/SEA84LA152.md): Cessna T188C · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Jun 28, 1984 · N1964J · Substantial damage
  > While taxiing to takeoff, the right main gear got into soft terrain off the right edge to the rwy. This pulled the acft to the right & the right wing struck an embankment. The right main gear collapsed & the right wing was buckled.
- [NTSB SEA83LA066](https://openairdocs.org/ntsb/SEA83LA066.md): Cessna 172N · Telma, WA · Accident · No injuries · Limited investigation · Final report · Mar 20, 1983 · N738QA · Substantial damage
  > The aircraft collided with deep unplowed snow on the runway during takeoff and nosed over. The pilot stated that he had landed on frozen snow but when he returned to takeoff the snow was soft. He had a 1200 ft long portion of the runway cleared but it was…
- [NTSB SEA82DA075](https://openairdocs.org/ntsb/SEA82DA075.md): Bellanca 7ECA · Roche Harbor, WA · Accident · No injuries · Final report · May 23, 1982 · CFQDQ · Substantial damage
  > The aircraft drifted off the runway during landing and collided with a ditch. The right main landing gear collapsed.

## 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'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 320)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=320&state=WA

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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.