NTSB investigations: Lycoming 0-540 series, 1985

6 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the first occurrence was “In flight encounter with weather”. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19822026

NTSB investigations: Lycoming 0-540 series, 1985 per year, 1982–2026: 65 cases
1982	2
1983	4
1984	3
1985	6
1986	2
1987	6
1988	1
1989	5
1990	1
1991	3
1992	1
1994	3
1995	2
1996	1
1997	3
1998	1
1999	3
2000	2
2001	1
2002	3
2003	4
2004	1
2005	1
2006	3
2007	3

Where

Open the map

Latest cases

Query with SQL

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") = 1985 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532') 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" = 240)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\") = 1985
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532')
      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\" = 240))
  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.

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") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532')
    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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB MIA86FA028Accident · 3 fatalField investigationFinal reportPiper PA-32-260 · Sorrento, FLThe flt was on a VFR x-country at 9500 ft with ATC flt following. The non-instrument rated plt advised ATC that he was unable to maintain VFR & climbed to 11,000 ft. he again avised he was unable to maintain VFR & was going to descend. The acft was observed…Nov 9, 1985 · N4862S · Destroyed NTSB NYC86FA015Accident · 2 fatalField investigationFinal reportPiper PA-28-236 · Tobyhanna, PAAt about the time N4298K was departing pocono mountains mun icipal airport, recorded radar information from new york ARTCC displayed an aircraft in that area. The aircraft flew eastward and then northward. The aircraft disappeared from the radar screen about…Oct 19, 1985 · N4298K · Destroyed NTSB SEA85LA152Accident · 1 fatalLimited investigationFinal reportPiper PA-25-235 · Burns, ORDuring aerial applications the pilot cleared a rise, got a down draft, struck trees and then stalled striking the ground with little forward motion. An intense explosion and fire followed. The fire origin was in the area of the fiberglass fuel tank. An…Jun 27, 1985 · N6647Z · Destroyed NTSB NYC85LA096Accident · No injuriesLimited investigationFinal reportMaule M-5-235C · Pittsfield, MADuring a preflt wx briefing, the plt was advised of possible moderate icing in clouds from the surface to 4000 ft. while in flt, structural icing conditions were encountered & rime ice accumulated on the windshield. Also, carb ice conditions were encountered…Mar 31, 1985 · N386X · Substantial damage NTSB MIA85FA112Accident · 2 fatalField investigationFinal reportPiper PA-23-250 · Jacksonvile, FLThe single eng land, pvt plt had an instrument rating, but had no rating to fly multi-eng acft. While on an illegal flt with marijuana on board, he contacted jacksonville apch control & advised that he could not see the ground due to dense ground fog, the…Mar 4, 1985 · N100DT · Destroyed NTSB ATL85FA077Accident · 4 fatalField investigationFinal reportCessna R182 · Crossville, TNThe acft collided with wooded, rising terrain at an elevation of about 2800 ft MSL on the west slope of hinch mountain. A passenger, who survived the crash, but died later due to burns, reported that light conditions were dark & she could not see anything…Jan 7, 1985 · N4716R · Destroyed