NTSB investigations: Lycoming 0-360-A1D

15 cases on aircraft whose registry engine model is Lycoming 0-360-A1D, where the first occurrence was “Loss of control - in flight”. 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

19912026
NTSB investigations: Lycoming 0-360-A1D per year, 1991–2026: 15 cases
19911
19921
19982
19993
20011
20032
20041
20052
20061
20071

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
      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\" = 250))
  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 DFW07LA124Accident · 1 fatalLimited investigationFinal reportAdams RV-6A · Boerne, TXThe pilot's failure to maintain the best angle of climb speed resulting in an inadvertent stall. A contributing factor was the high density altitude.May 30, 2007 · N39AJ · DestroyedNTSB ATL06LA110Accident · 1 fatalLimited investigationFinal reportArter RV6 · Hartselle, ALThe pilot's failure to maintain airspeed while maneuvering resulting in an inadvertent stall and collision with trees and the ground. Factor in the accident were the pilot's ostentatious display and impairment due to alcohol.Jul 24, 2006 · N112WA · Substantial damageNTSB DEN06LA005Accident · Serious injuriesLimited investigationFinal reportAviat A-1 · Kaycee, WYthe pilot's improper decision to attempt a go-around and the pilot's failure to maintain airspeed resulting in an inadvertent stall. A contributing factor was the hard landing.Oct 21, 2005 · N6QR · Substantial damageNTSB DEN05CA096Accident · No injuriesData collectionFinal reportAviat A-1B · Dove Creek, COthe pilot's failure to maintain airspeed during initial climb which resulted in an inadvertant stall and impact with terrain.Jun 24, 2005 · N42HY · Substantial damageNTSB DFW05LA022Accident · No injuriesLimited investigationFinal reportRobinson R22 Beta · Eagle Pass, TXThe pilot's failure to maintain control of the helicopter. A contributing factor was the unsuitable terrain for landing.Nov 8, 2004 · N995JW · Substantial damageNTSB DEN03FA111Accident · 1 fatalField investigationFinal reportHammond Vans RV-6A · La Junta, COthe pilot's failure to maintain airspeed resulting in a stall during the turn from base leg to final approach.Jun 24, 2003 · N199LH · DestroyedNTSB ATL03FA104Accident · 3 fatalField investigationFinal reportPiper PA-44-180 · Battleboro, NCThe certified flight instructor's (CFI) failure to maintain flying speed that resulted in a stall/spin and the uncontrolled collision with the ground.Jun 8, 2003 · N578TP · Substantial damageNTSB LAX01LA141Accident · 1 fatalLimited investigationFinal reportMotley Vans RV-6A · Baker, CAThe pilot's failure to maintain an adequate airspeed while maneuvering at low altitude, which led to an inadvertent stall/spin. The wind gusts were a factor.Apr 28, 2001 · N51DA · DestroyedNTSB SEA99LA047Accident · Serious injuriesLimited investigationFinal reportAviat A-1 · Emmett, IDThe pilot's failure to maintain aircraft control during a low-altitude maneuver to view a coyote on the ground. A related factor was the pilot's low altitude.Apr 6, 1999 · N345HU · Substantial damageNTSB CHI99LA113Accident · No injuriesLimited investigationFinal reportDelong Glastar GS-1 · Lapeer, MIThe failure of the pilot to maintain compensation for wind conditions. Factors to the accident were the crosswind condition and the presence of trees along the runway.Mar 20, 1999 · N918V · Substantial damageNTSB FTW99LA083Accident · No injuriesLimited investigationFinal reportRobinson R22-B2 · Freer, TXThe passenger's inadvertent interference with the cyclic control which consequently restricted the control's movement.Feb 17, 1999 · N971SL · Substantial damageNTSB LAX98LA311Accident · Serious injuriesLimited investigationFinal reportRobinson R22B · Salinas, CAThe failure of the student pilot to maintain control of the aircraft while practicing autorotations.Sep 30, 1998 · N8340D · DestroyedNTSB MIA98LA190Accident · Serious injuriesLimited investigationFinal reportAviat A-1A · Daytona Beach, FLThe pilot's failure to maintain airspeed, which resulted in a stall. A contributing factor was the pilot's delay in initiating remedial action.Jun 27, 1998 · N32HU · Substantial damageNTSB NYC93LA011Accident · Serious injuriesLimited investigationFinal reportAnderson Pitts S-1 · Minersville, PAA loss of control due to a foreign object jamming the elevator flight controls.Oct 8, 1992 · N31SP · DestroyedNTSB ATL91LA118Accident · No injuriesLimited investigationFinal reportMaule MXT-180 · Mobile, ALThe pilot's failure to properly compensate for wind conditions. A factor to this accident was the gusting winds.Jun 23, 1991 · N9217T · Substantial damage