NTSB investigations: Beech H-18

6 cases on aircraft the registry lists as Beech H-18, 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19822026

NTSB investigations: Beech H-18 per year, 1982–2026: 6 cases
1982	1
1984	1
1985	1
1986	1
1997	1
2007	1

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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1151012') 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

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.aircraft_model_code IN ('1151012')
      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.

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.aircraft_model_code IN ('1151012')
    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

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 DEN07FA059Accident · 1 fatalField investigationFinal reportBeech H-18 · Great Bend, KSThe pilot's failure to maintain aircraft control during the missed approach which resulted in an inadvertent stall and impact with terrain. A contributing factor was the icing conditions.Feb 9, 2007 · N45GM · Destroyed NTSB LAX97FA108Accident · Minor injuriesField investigationFinal reportBeech H18 · Honolulu, HIloss of aircraft control for undetermined reason(s).Feb 22, 1997 · N7969K · Destroyed NTSB ATL86FLQ05Accident · Serious injuriesFinal reportBeech H-18 · Louisville, KYThe acft collided with the ground after stalling during takeoff. Witnesses reported that the acft pitched up in two increments, climbed sharply to about 200 ft AGL, stalled dropped the rt wing and descended, impacting the ground in a flat attitude.Feb 12, 1986 · N148PA · Substantial damage NTSB CHI85IA091Incident · No injuriesIncident investigationFinal reportBeech H-18 · Dayton, OHThe acft was rotated prematurely and stalled back onto the rwy. The acft was on rwy 24L and the wind was 240 degrees at 17 KTS gusting to 24 KTS. There was slight damage to the landing gear & flapsJan 14, 1985 · N135W · Minor damage NTSB NYC84FA113Accident · 1 fatalField investigationFinal reportBeech H-18 · Morrisonville, NYThe plt landed on the ice and snow covered rwy after loading 1512 lbs of cargo in freezing drizzle conditions, he taxied for takeoff for an IFR departure shortly after rotation, the right wing dropped and the acft touched down back onthe rwy. Visual exam of…Mar 20, 1984 · N218X · Destroyed NTSB LAX82FA224Accident · No injuriesField investigationFinal reportBeech H-18 · Fresno, CAJust after lift-off from rwy 29R, the acft began to pitch up. As the pitch-up progressed, the plt applied right aileron & full right rudder. The acft responded by rolling to the right with the nose falling thru. Subsequently, the plt was able to pull out…Jun 19, 1982 · N74JT · Destroyed