NTSB investigations: Lycoming 0-320 series, WA

18 cases on aircraft whose registry engine model is Lycoming 0-320 series, where the first occurrence was “Loss of control - on ground/water”. 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

19842026
NTSB investigations: Lycoming 0-320 series, WA per year, 1984–2026: 18 cases
19841
19851
19871
19912
19921
19942
19951
19971
19981
20001
20031
20043
20051
20061

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 ('41508')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 260))
  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 SEA06CA170Accident · No injuriesData collectionFinal reportPiper PA-22-20-150 · Auburn, WAThe flight instructor's delayed remedial action during the landing roll in response to the student's loss of directional control, which resulted in a ground loop. A factor associated with the accident was the student's failure to maintain directional control.Aug 24, 2006 · N8042D · Substantial damageNTSB SEA05LA185Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Mead, WASeparation of the tailwheel assembly spring resulting in a loss of directional control and subsequent collision with a berm. The berm was a factor in the accident.Sep 1, 2005 · N1829P · Substantial damageNTSB SEA04CA159Accident · No injuriesData collectionFinal reportBellanca 7GCAA · Sequim, WAAircraft control not maintained during the landing roll. A factor was the irrigation pipe.Jul 23, 2004 · N88373 · Substantial damageNTSB SEA04LA115Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Deer Park, WAThe flight instructor's delayed remedial action. Factors include the owner/pilot's failure to maintain directional control during the landing roll, and a warped/realigned fuselage that contributed to the sensitivity of the aircraft's response to pilot rudder…Jun 23, 2004 · N699DS · Substantial damageNTSB SEA04LA086Accident · No injuriesLimited investigationFinal reportPiper PA-22-20 · Shelton, WAThe pilot's failure to adequately compensate for wind conditions during landing. Factors include a crosswind, fracture/collapse of the landing gear hydrasorb and an improper weld on the landing gear assembly.May 13, 2004 · N1829P · Substantial damageNTSB SEA03LA103Accident · No injuriesLimited investigationFinal reportCessna 172P · Seattle, WAThe dual student's failure to maintain aircraft control and the flight instructor's delayed remedial action. Contributing factors were the crosswind condition and the flight instructor's lack of experience.Jun 15, 2003 · N9566L · Substantial damageNTSB SEA00LA114Accident · No injuriesLimited investigationFinal reportPiper PA-18A-150 · Ephrata, WAThe pilot-in-command's failure to maintain directional control during landing roll.Jun 25, 2000 · N6775B · Substantial damageNTSB SEA98LA144Accident · No injuriesLimited investigationFinal reportCessna 172P · Seattle, WAThe 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.Jul 19, 1998 · N53630 · Substantial damageNTSB SEA98LA026Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Kenmore, WAthe 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.Dec 24, 1997 · N9566L · Substantial damageNTSB SEA95LA144Accident · Minor injuriesLimited investigationFinal reportChampion 7GCBC · Moses Lake, WAThe pilot's failure to maintain directional control during the landing and go around. The crosswind and gusty wind conditions were factors in the accident.Jul 3, 1995 · N1887G · Substantial damageNTSB SEA94LA227Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Everett, WAThe pilot failed to maintain directional control.Aug 31, 1994 · N1329C · Substantial damageNTSB SEA94LA220Accident · No injuriesLimited investigationFinal reportBeech 23 · Everett, WAThe student pilot's failure to maintain directional control, and his inadequate remedial action. Factors include a fence in the vicinity of the runway.Aug 24, 1994 · N2371Z · Substantial damageNTSB SEA93LA021Accident · No injuriesLimited investigationFinal reportCessna 172M · Olympia, WAThe pilot's poor inflight decision, and excessive airspeed on final. Factors include a wet turf runway, and trees adjacent to the runway.Nov 11, 1992 · N13400 · Substantial damageNTSB SEA91LA201Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Yakima, WAThe loss of control by the private pilot and failure of the instructor pilot to perform remedial action.Jun 26, 1991 · N7369D · Substantial damageNTSB SEA91LA171Accident · No injuriesLimited investigationFinal reportCessna 172N · Vancouver, WAA hard landing by the pilot due to improper bounced landing recovery.Jun 19, 1991 · N4324R · Substantial damageNTSB SEA87LA113Accident · No injuriesLimited investigationFinal reportCessna 172P · Snohomish, WAThe pilot initiated a landing on a 2650 ft long runway in a 11-18 knot quartering tailwind condition. He flew the final approach too fast and flared prematurely. The acft floated down the rwy, landed hard and bounced twice. The plt lost control and the acft…Jun 6, 1987 · N65994 · Substantial damageNTSB SEA85LA172Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Moses Lake, WAA ground loop occurred during landing roll on rwy 36. The wind at touchdown was from 210 degs at 5 KTS. The twr did give the plt the current wind when the controller cleared him to land. The plt was aware that he would be landing with a left quartering tail…Jul 16, 1985 · N36137 · Substantial damageNTSB SEA84LA149Accident · No injuriesLimited investigationFinal reportCessna 172 · Everett, WAThe plt reported that during a landing, the acft encountered a gust of wind & ballooned. The airspeed decreased to 40 KTS & the acft dropped to the rwy. The plt applied full power & reduced the flaps from 40 deg to full up. The acft became airborne, but…Jun 27, 1984 · N733UH · Substantial damage