NTSB investigations: Lycoming HIO-360 series, AK

9 cases on aircraft whose registry engine model is Lycoming HIO-360 series. 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 HIO-360 series, AK per year, 1980–2026: 9 cases
19801
19811
19882
19941
19982
20211
20231

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\" = 'AK' 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 ('41524'))
  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 ANC23LA069Accident · No injuriesClass 4 · LimitedFinal reportBellanca 8GCBC · Cordova, AKThe pilot’s exceedance of the airplane’s critical angle of attack during landing, which resulted in an aerodynamic stall and loss of airplane control.Sep 3, 2023 · N723AK · Substantial damageNTSB ANC21LA038Accident · No injuriesClass 3 · LimitedFinal reportEnstrom F-28F · Palmer, AKA loss of drive to the rotor system due to the disengagement of the main belt drive tensioning system, which resulted in a forced landing. The disengagement was due to inadequate clearance between the clutch handle and the roll pin in the handle bellcrank…May 9, 2021 · N8627J · Substantial damageNTSB ANC98LA109Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Skwentna, AKA loss of engine power due to a fractured number three cylinder intake manifold flange, and the pilot's inability to maintain the proper rate of descent during the autorotation flare. A contributing factor associated with the accident was the downwind…Jul 25, 1998 · N8622U · Substantial damageNTSB ANC98LA037Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28F · Haines, AKThe pilot flaring too low during an improper practice autorotation.Apr 12, 1998 · N199LB · Substantial damageNTSB ANC94LA132Accident · No injuriesLimited investigationFinal reportJames Chisum CHISUM-SCRAPS · Fairbanks, AKThe failure of the pilot to maintain directional control of the airplane. Factors in the accident were the soft terrain and inadequate remedial action.Sep 7, 1994 · N1771C · Substantial damageNTSB SEA88LA127Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Haines, AKThe pilot purchased the helicopter with an undocumented modification designed to restrain the collective. Reportedly, hereceived no guidance regarding the use of the collective hold-down device. According to the aircraft manufacturer there existed no Enstrom…Jul 13, 1988 · N8620C · Substantial damageNTSB SEA88LA073Accident · No injuriesLimited investigationFinal reportHughes 269C · Sitka, AKDuring sling operations, the long line became separated and entangled in the tail rotor at about 300 feet AGL. The pilot landed the helicopter onto a beach area where it rolled over onto its left side striking the main rotor. No accident report has been filed…Apr 12, 1988 · N92PC · Substantial damageNTSB ANC82DAG01Accident · No injuriesClosedEnstrom F-28C · Big Lake, AKOct 1, 1981 · N51727 · Substantial damageNTSB ANC80FA052Accident · No injuriesClosedEnstrom F-28-C · Talkeetna, AKJun 19, 1980 · N544H · Substantial damage