NTSB investigations: Beech 95-B55 (T42A)

7 cases on aircraft the registry lists as Beech 95-B55 (T42A), where the first occurrence was “Airframe/component/system failure/malfunction”. 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

19832026

NTSB investigations: Beech 95-B55 (T42A) per year, 1983–2026: 7 cases
1983	2
1986	1
1997	1
1999	1
2003	1
2004	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 ('1152706') 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" = 130)) 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 ('1152706')
      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\" = 130))
  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 ('1152706')
    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" = 130))
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 LAX04LA276Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · Minden, NVthe pilot's failure to lower the landing gear during landing approach, which resulted in his inadvertent gear up landing. A factor was his distraction due to a component malfunction.Jul 24, 2004 · N88CS · Substantial damage NTSB CHI04LA046Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · St. Paul, MNThe failure of the worm drive bearing that resulted in the failure of the landing gear extension/retraction gearbox, which ultimately resulted in the extension of the landing gear not being possible. A factor to the accident was the airport sign that the…Dec 22, 2003 · N221Q · Substantial damage NTSB ATL99LA115Accident · No injuriesLimited investigationFinal reportBeech 55 · Nashville, TNThe total failure of the nose gear extension and retraction assembly that resulted in the collapse of the nose gear during landing.Jul 20, 1999 · N56AW · Substantial damage NTSB ATL97LA100Accident · No injuriesLimited investigationFinal reportBeech 55 · Murfreesboro, TNThe failure of the aircraft braking system due to low brake pressure resulting from the undetermined loss of brake fluid from the brake reservoir.Jul 10, 1997 · N45CW · Substantial damage NTSB CHI86LA089Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · Muncie, INThe pilot intentionally landed gear up after an electrical failure and the gear failed to extend normally. The alternator switches were found off after the accident. It was beginning to get dark with ceilings at 2200 ft.Feb 12, 1986 · N5841S · Substantial damage NTSB FTW83LA289Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · Pineville, LAPrior to landing, the plt moved the gear switch to the extend position & noted that the gear indicated down. However, the left main gear did not extend. While landing with the left gear retracted, the acft settled on the left wing & prop. The acft spun 180…Jun 20, 1983 · N7712R · Substantial damage NTSB LAX83LA103Accident · No injuriesLimited investigationFinal reportBeech 95-55 · San Francisco, CAThe pilot was preparing to taxi when he noticed a loose fuel cap on the acft's left wing. He set the parking brake, exited the acft with both engines operating, placed a chock on the right wheel and was securing the loose fuel cap when the acft started to…Feb 15, 1983 · N704CC · Substantial damage