NTSB investigations: Lycoming IO-360-A1B6D, WA

12 cases on aircraft whose registry engine model is Lycoming IO-360-A1B6D. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19802026
NTSB investigations: Lycoming IO-360-A1B6D, WA per year, 1980–2026: 12 cases
19801
19821
19861
19882
19951
20011
20121
20131
20191
20201
20251

Latest cases

Query with SQL
duckdb -csv -c "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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41593'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ANC25LA043Accident · No injuriesClass 4 · LimitedFinal reportCessna 177RG · Snohomish, WAThe pilot’s decision to continue the landing attempt with insufficient runway remaining, which resulted in a runway overrun and collision with a fence.May 28, 2025 · N2155Q · Substantial damageNTSB WPR20CA188Accident · Serious injuriesClass 4 · Data collectionFinal reportCessna 177RG · Lynden, WAThe pilot's failure to maintain control of the airplane during the landing approach, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, hard landing, and a landing gear collapse.Jun 14, 2020 · N1958Q · Substantial damageNTSB WPR19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 177RG · Fall City, WAThe failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.Jul 27, 2019 · N1828Q · Substantial damageNTSB WPR14CA092Accident · No injuriesData collectionFinal reportCessna 177RG · Richland, WAThe pilot's failure to extend the landing gear prior to landing. Contributing to the accident was the pilot's diverted attention and not using a checklist.Dec 1, 2013 · N7592V · Substantial damageNTSB WPR12LA383Accident · No injuriesLimited investigationFinal reportCessna 177RG · Olympia, WAA loss of directional control during landing for reasons that could not be determined because postaccident examination of the nose gear steering mechanism did not reveal any anomalies that would have precluded normal operation.Aug 31, 2012 · N300ZX · Substantial damageNTSB SEA01LA075Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Seattle, WAthe reverse rigging of the aileron flight control system resulting in aileron deflections opposite that of the pilot's inputs which lead to an uncontrolled descent into the terrain. Factors include the pilot's failure to detect the misrigged ailerons during…Apr 21, 2001 · N8283G · Substantial damageNTSB SEA95FA103Accident · 2 fatalField investigationFinal reportCessna 177RG · Kent, WAThe pilot's misjudgment of distance and altitude during the approach. Factors in the accident were the dusk light condition and the shadows.May 20, 1995 · N9ER · DestroyedNTSB SEA89LA025Accident · No injuriesLimited investigationFinal reportCessna 177RG · Monroe, WAPlt 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.Dec 15, 1988 · N51386 · Substantial damageNTSB SEA89LA004Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Bellingham, WADrg the initial climb after takeoff, the eng lost power. Subsequently, the acft was damaged drg an emergency landing in a rough field northwest of the arpt. A post-acdnt eng run-up was made with a club prop installed. The eng operated normally to 1500 RPM…Oct 1, 1988 · N2068Q · Substantial damageNTSB SEA87FA031Accident · 1 fatalField investigationFinal reportCessna 177RG · Republic, WAA witness observed the acft taxi out ot the rwy in light snow showers and taxi to the north end of the rwy. During the takeoff the area was covered with a heavy snow shower, with winds from the north gusting T0 20-25 mph. The acft was observed to depart to…Nov 25, 1986 · N52069 · DestroyedNTSB SEA82IA170Incident · No injuriesIncident investigationFinal reportCessna 177RG · Cashmere, WAWhile descending through 7500 ft the pilot observed smoke entering the cockpit from the instrument panel area. An attempt was made to isolate the source by shutting off various electrical components. The smoke continued to appear intermittently before the…Sep 22, 1982 · N52716 · No damageNTSB SEA80FYP27Accident · Serious injuriesClosedCessna 177RG · Ione, WAJul 16, 1980 · N1891Q · Substantial damage