NTSB investigations: Lycoming VO-540 series, 1983

4 cases on aircraft whose registry engine model is Lycoming VO-540 series, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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

19822026
NTSB investigations: Lycoming VO-540 series, 1983 per year, 1982–2026: 23 cases
19821
19834
19841
19862
19871
19883
19891
19911
19921
19951
19962
19982
20041
20052

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 year(c.\"eventDate\") = 1983
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582')
      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\" = 353))
  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 LAX83FA462Accident · No injuriesField investigationFinal reportBell 47G-4G · Lodi, CADuring takeoff, the helicopter lost power after climbing aprx 20 ft. the plt made an autorotative landing, but after touchdown, the helicopter slid down a river bank, rolled over & began burning. The fuel tanks did not rupture & still contained fuel. When…Sep 28, 1983 · N7956S · DestroyedNTSB CHI83LA292Accident · No injuriesLimited investigationFinal reportBell 47G-4A · Wheeler, ILThe plt reported that while he was returning for another load of chemicals, the eng missed a couple of times, then smoothed out for about 1 min. After that, the eng missed again, then quit while the helicopter was at aprx 150 ft AGL. The plt chose to clear…Jul 5, 1983 · N7069J · Substantial damageNTSB LAX83LA236Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Thermal, CAThe plt reported that he was aprx 1/3 of the way thru a procedure turn at about 60 ft AGL, when he experienced a partial power loss. He completed the turn, leveled the helicopter & moumentarily regained complete power, then the engine quit operating. An…May 18, 1983 · N4027L · Substantial damageNTSB LAX83LA181Accident · No injuriesLimited investigationFinal reportHiller UH12-E · Kettleman City, CAThe pilot reported that he began flying about 0725 with 23 gallons of fuel on board. He applied a herbicide for about an hour and came back to reload. After reloading he began a return to the area to be sprayed. About 10 minutes later all power was lost.…Apr 7, 1983 · N68024 · Substantial damage