NTSB investigations: Kaman HH-43 B/F

5 cases on aircraft the registry lists as Kaman HH-43 B/F. 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

19792026

NTSB investigations: Kaman HH-43 B/F per year, 1979–2026: 5 cases
1979	1
1982	1
1993	1
1994	1
1996	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 ('4800705')) 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 ('4800705'))
  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 ('4800705'))
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 SEA96LA219Accident · Minor injuriesLimited investigationFinal reportKaman HH-43 B/F · Troy, MTfailure of the freewheeling sprag unit bearings for undetermined reasons.Sep 23, 1996 · N4069R · Substantial damage NTSB SEA94LA179Accident · Serious injuriesLimited investigationFinal reportKaman HH43F · John Day, ORFailure of a turbine compressor wheel. The lack of suitable terrain for an autorotation/forced landing was a factor.Jul 19, 1994 · N324WN · Substantial damage NTSB ATL94LA035Accident · No injuriesLimited investigationFinal reportKaman HH-43B/F · Mobile, ALAn inadequate major repair by company maintenance personnel who failed to install the cotter pin which secured the retaining nut of the right main rotor hub teeter pin.Dec 29, 1993 · N5197W · Substantial damage NTSB SEA82FYK08Accident · Minor injuriesFinal reportKaman HH-43F · Sutherlin, ORThe helicopter was being used on a logging operation. After releasing a load from a hover out of ground effect, the pilot began to turn and accelerate. About two-thirds to three-fourths of the way through a 180 degree turn, the aircraft began a sudden, very…Feb 22, 1982 · N4524 · Destroyed NTSB SEA79FT123Accident · Minor injuriesClosedKaman HH-43F · Hamilton, MTAug 24, 1979 · N4524 · Destroyed