# NTSB investigations, WA: Midair collision 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 SEA08LA031](https://openairdocs.org/ntsb/SEA08LA031.md): Cessna 182A · Tacoma, WA · Accident · Minor injuries · Limited investigation · Final report · Nov 20, 2007 · N6147B · 2 aircraft · Substantial damage > The failure of both pilots to maintain an adequate visual lookout during cruise flight. - [NTSB SEA05FA158](https://openairdocs.org/ntsb/SEA05FA158.md): Cessna 150M · Renton, WA · Accident · 2 fatal · Field investigation · Final report · Aug 5, 2005 · N66234 · 2 aircraft · Destroyed > The failure of the DHC-2 Beaver pilot to understand air traffic advisory information and the failure of the Cessna pilot to maintain visual separation, resulting in a midair collision. A factor contributing to the accident was the inadequate traffic advisory… - [NTSB SEA04FA083](https://openairdocs.org/ntsb/SEA04FA083.md): Cessna 170B · Tenino, WA · Accident · 1 fatal · Field investigation · Final report · May 17, 2004 · N3510D · 2 aircraft · Destroyed > The pilot's failure to maintain an adequate visual lookout during cruise flight, which resulted in a midair collision between the two airplanes. - [NTSB SEA04LA063](https://openairdocs.org/ntsb/SEA04LA063.md): Glasflugel STD Libelle 201B · Oso, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 2, 2004 · N161D · 2 aircraft · Substantial damage > The pilot of the Glaser-Dirks (lead glider) failure to maintain clearance from the Glasflugel (trailing glider) resulting in a mid-air collision while maneuvering. - [NTSB SEA00FA021](https://openairdocs.org/ntsb/SEA00FA021.md): Bell 206L-3 · Seattle, WA · Accident · Minor injuries · Field investigation · Final report · Nov 17, 1999 · N206AC · 2 aircraft · Substantial damage > Adequate separation and lookout not maintained by the pilots of both aircraft. - [NTSB SEA00IA007](https://openairdocs.org/ntsb/SEA00IA007.md): Cessna 172P · Wenatchee, WA · Incident · No injuries · Incident investigation · Final report · Oct 23, 1999 · N54844 · 2 aircraft · Minor damage > The failure of the pilots in both aircraft to maintain an adequate visual lookout. Haze was a factor. - [NTSB SEA97LA083](https://openairdocs.org/ntsb/SEA97LA083.md): Cessna 150D · Arlington, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 6, 1997 · N4100U · 2 aircraft · Destroyed > The failure of the commercial pilot to perform an adequate visual lookout while on final approach for landing on the runway, and the failure of the student pilot of the other airplane to perform an adequate visual lookout prior to taking off from the same… - [NTSB SEA97LA038](https://openairdocs.org/ntsb/SEA97LA038.md): Beech BE-77 · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Dec 18, 1996 · N6043M · 2 aircraft · Substantial damage > The failure of the pilots of both airplanes to see and avoid each other. A factor contributing to the accident was the Cessna's pilot diverted attention. - [NTSB SEA94LA054](https://openairdocs.org/ntsb/SEA94LA054.md): Fokker DR-1 · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Feb 2, 1994 · N10717 · Substantial damage > The pilot failed to maintain clearance while maneuvering near another airplane. - [NTSB SEA93LA168](https://openairdocs.org/ntsb/SEA93LA168.md): Cessna A150L · Ephrata, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 1993 · N5958J · 2 aircraft · Destroyed > Inadequate visual lookout by both pilots, resulting in their failure to see-and-avoid each other's aircraft. A factor related to the accident was: failure of the Grumman 164B pilot to adequately monitor the UNICOM frequency. - [NTSB SEA93FA094](https://openairdocs.org/ntsb/SEA93FA094.md): Grumman A6E · Steptoe, WA · Accident · Serious injuries · Field investigation · Final report · Apr 14, 1993 · USN · 2 aircraft · Destroyed > The inherent limitations of the see-and-avoid concept of separation of aircraft operating under visual flight rules that precluded the crew of the A6E and the pilot of the agcat from recognizing a collision hazard and taking actions to avoid a midair… - [NTSB SEA92FA195](https://openairdocs.org/ntsb/SEA92FA195.md): Snodgrass Starduster TOO · Lacey, WA · Accident · 3 fatal · Field investigation · Final report · Sep 7, 1992 · N4316 · 2 aircraft · Destroyed > The failure of both pilots to see and avoid each other. - [NTSB SEA92FA026](https://openairdocs.org/ntsb/SEA92FA026.md): Cessna 172P · Snohomish, WA · Accident · 7 fatal · Field investigation · Final report · Dec 7, 1991 · N65831 · 2 aircraft · Destroyed > A visual lookout was not maintained. - [NTSB SEA92FA022](https://openairdocs.org/ntsb/SEA92FA022.md): Cessna 150E · Vancouver, WA · Accident · Serious injuries · Field investigation · Final report · Nov 22, 1991 · N2582J · 2 aircraft · Destroyed > Inadequate visual lookout on the part of the pilot as well as both the flight instructor and student of the other aircraft. A factor contributing to the accident was the other pilot's lack of landing light usage. - [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 SEA87FA100](https://openairdocs.org/ntsb/SEA87FA100.md): Cessna 172 · Ritzville, WA · Accident · 3 fatal · Field investigation · Final report · May 24, 1987 · N5711A · 2 aircraft · Destroyed > Occupants of both acft were family members traveling in company for holiday. Takeoff was about one min apart with N44726 in trail. Due higher norm crz performance, N44726 overtook N5711A. Plt of N44726 reduced speed and established position about 1/2 mile to… - [NTSB SEA86FA121](https://openairdocs.org/ntsb/SEA86FA121.md): Cessna 152 · Mead, WA · Accident · 2 fatal · Field investigation · Final report · May 20, 1986 · N6161M · 2 aircraft · Destroyed > Both acft were operating in VFR conditions modified by slight haze, high overcast and low sun angle near airport. N6161M was performing lazy eight maneuvers in a normal practice area two miles east of airport; N8267Q was in clockwise orbital descent for… - [NTSB SEA86FA092](https://openairdocs.org/ntsb/SEA86FA092.md): Cessna 172P · Seattle, WA · Accident · 4 fatal · Field investigation · Final report · Apr 5, 1986 · N99034 · 2 aircraft · Destroyed > N99034 departed kenmore air harbor on a short local solo flight. Witnesses reported observing the aircraft takeoff and initiate a climb to the south. N65783 was returning from a recurrency check flight and was approaching from a southerly direction in a climb… - [NTSB SEA84FA172](https://openairdocs.org/ntsb/SEA84FA172.md): Schempp-Hirth Ventus A · Ephrata, WA · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1984 · N17KS · 2 aircraft · Minor damage > A 'gaggle' of about 7 gliders were maneuvering in a climb when N919R climbed into the group. The plt of N17KS said he saw N919R closing and increased his angle of bank to about 100 degrees to try and avoid a collision. The leadingedge of the left wing of… - [NTSB SEA84LA159](https://openairdocs.org/ntsb/SEA84LA159.md): Applebay Sailplanes Zuni II · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1984 · N22HL · 2 aircraft · Substantial damage > The two gliders collided while thermaling in vicinity of each other while engaged in a contest. According to the plts they lost sight of each other while spiraling in the lift. Both acft landed safely. The collision was nose to tail. - [NTSB SEA84FA060](https://openairdocs.org/ntsb/SEA84FA060.md): Cessna 172N · Kent, WA · Accident · 3 fatal · Field investigation · Final report · Feb 24, 1984 · N4603F · 2 aircraft · Destroyed > At about 1345 PST, the plt of a Cessna 172N, N4603F, departed crest airpark, Kent, WA, on a local pleasure flt. Aprx 5 min later, the plt & 1 passenger of a float equipped Cessna 180, N4908A, took off from lake meridian, Kent, WA, & were also on a local… - [NTSB SEA82AA126](https://openairdocs.org/ntsb/SEA82AA126.md): Cessna 172 · Mercer Island, WA · Accident · 6 fatal · Final report · Jul 23, 1982 · N2428E · 2 aircraft · Destroyed > N2428E, a C-172, had departed sea-tac arpt for a VFR flt to snohomish, WA, about 27 mi on the 355 deg radial from the sea-tac VORTAC. It proceeded nnw over the west shore of Mercer Island located approximately 10 mi north of the sea-tac arpt. N761EL, a… ## 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" = 270) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=270&state=WA --- 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.