NTSB investigations: Lycoming HIO-360 series

15 cases on aircraft whose registry engine model is Lycoming HIO-360 series, where the first occurrence was “In flight collision with object”. 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

19872026
NTSB investigations: Lycoming HIO-360 series per year, 1987–2026: 15 cases
19871
19893
19934
19951
19972
19981
20022
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524')
      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\" = 220))
  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 CHI06LA138Accident · 1 fatalLimited investigationFinal reportHughes 269A · Berlin Center, OHThe pilot flew at a low altitude and failed to maintain clearance from the wire. A factor was the wire.May 28, 2006 · N69HU · Substantial damageNTSB DEN03LA018Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28C · Morrison, COthe pilot not maintaining clearance from the telephone lines during landing. Factors contributing to the accident were the pilot not being able to see the telephone lines, the low altitude, and the dark night.Nov 23, 2002 · N552CS · Substantial damageNTSB LAX02LA169Accident · Serious injuriesLimited investigationFinal reportEnstrom F-28C · Stockton, CAThe pilot's failure to maintain an adequate clearance from the water tower during takeoff. Also causal was the pilot's selection of a confined area for the landing and subsequent takeoff.May 20, 2002 · N51716 · Substantial damageNTSB CHI98LA332Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Decker, INThe pilot's failure to maintain obstacle clearance resulting in a collision with a fence.Sep 4, 1998 · N75068 · Substantial damageNTSB ATL98LA021Accident · No injuriesLimited investigationFinal reportHughes TH-55 · Bushnell, FLThe pilot's failure to maintain clearance from the trees during a hover. A factor was the pilot's diverted attention.Dec 9, 1997 · N74914 · Substantial damageNTSB CHI98LA021Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Grand Forks, NDthe pilot's inadequate preflight planning which resulted in a low fuel state, and his inability to see the wire which the helicopter contacted. Factors associated to the accident were the precautionary landing, the dark night conditions, and the wire which…Oct 15, 1997 · N557DC · Substantial damageNTSB BFO96LA003Accident · No injuriesLimited investigationFinal reportEnstrom F28-280C · Blue Ash, OHthe commercial pilot's failure to maintain clearance from obstacles during hover-taxi operations. Related factors the tailwind, the nearby obstacle, and the misjudged maneuver to avoid obstacles.Oct 6, 1995 · N51786 · Substantial damageNTSB NYC93FA115Accident · 1 fatalField investigationFinal reportEnstrom F28C · Gordon, KYThe pilot's failure to see and avoid the wire.Jun 17, 1993 · N200NH · DestroyedNTSB CHI93LA208Accident · No injuriesLimited investigationFinal reportHughes 269 · Valley City, NDthe pilot-in-command's failure to maintain clearance from a tree during an aerial application manuever.Jun 15, 1993 · N213MS · Substantial damageNTSB BFO93FA019Accident · 2 fatalField investigationFinal reportHughes 269C · Tonawanda, NYImproper inflight planning/decision by the pilot and his failure to maintain clearance from an obstacle during flight. Factors related to the accident include poor visibility and weather conditions at dusk, and the pilot's excessive airspeed for the…Jan 11, 1993 · N1088Z · DestroyedNTSB LAX93LA087Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Folsom, CAThe pilot failing to maintain an adequate visual lookout resulting in the helicopter colliding with electrical transmission wires.Jan 2, 1993 · N7462F · DestroyedNTSB SEA90LA016Accident · 1 fatalLimited investigationFinal reportHughes 269C · Estacada, ORThe pilot misjudged clearance between her external load and the obstruction. Factors related to the accident were: the obstruction, improper maintenance and modification of the external load line/hook by the operator, failure of the pilot to jettison the…Nov 15, 1989 · N9592F · DestroyedNTSB CHI89FA112Accident · Minor injuriesField investigationFinal reportHughes 269C · Lockport, ILImproper flight technique by the PIC during a takeoff from a confined area.Jun 18, 1989 · N26628 · DestroyedNTSB SEA89LA052Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Forrest Grove, ORThe pilot's misjudgment of his altitude and clearance while attempting to sling-load a trailer.Mar 3, 1989 · N7505Y · Substantial damageNTSB CHI87LA072Accident · No injuriesLimited investigationFinal reportEnstrom F-28A · Martinsville, INWhile landing to the east the plt was blinded by the sun and the acft struck telephone wires.Jan 31, 1987 · N9257 · Destroyed