NTSB investigations: Cessna 402B

6 cases on aircraft the registry lists as Cessna 402B, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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: Cessna 402B per year, 1982–2026: 6 cases
1982	1
1991	2
1992	2
1993	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 ('207590P') 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" = 351)) 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 ('207590P')
      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\" = 351))
  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 ('207590P')
    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" = 351))
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 BFO93LA164Accident · No injuriesLimited investigationFinal reportCessna 402B · Eau Claire, PAThe separation of the number four cylinder on the airplane's left engine for undetermined reasons. A factor in the accident was the rough/uneven terrain.Sep 8, 1993 · N4504B · Substantial damage NTSB CHI92LA263Accident · No injuriesLimited investigationFinal reportCessna 402B · Almont, MIExcessive fuel system pump pressure and corresponding excessive fuel pressure and the pilot not maintaining the best single engine climb speed.Sep 3, 1992 · N7882Q · Substantial damage NTSB MIA92FA058Accident · 1 fatalField investigationFinal reportCessna 402B · Lantana, FLThe pilot in commands failure to maintain airspeed above single engine minimum control speed resulting in an inflight loss of control and collision with terrain. Contributing to the accident was the pilot in command's failure to declare an emergency and…Jan 11, 1992 · N3767C · Destroyed NTSB FTW92FA029Accident · Serious injuriesField investigationFinal reportCessna 402B · Roanoke, TXThe operation of the airplane with known deficiencies, a missing air cooling baffle, and inadequate maintenance. Factors were the frozen propeller, inability of the pilot to feather the propeller, inoperative landing gear, the inability of the pilot to…Nov 29, 1991 · N69CR · Destroyed NTSB SEA92FA019Accident · 2 fatalField investigationFinal reportCessna C-402B · Boise, IDThe loss of power on the right engine during initial climb after takeoff due to inadequate maintenance inspection and adjustment of the engine by company maintenance personnel, and the loss of control by the pilot due to his failure to properly configure the…Nov 16, 1991 · N29517 · Destroyed NTSB CHI82IA113Incident · No injuriesIncident investigationFinal reportCessna 402B · Waukegan, ILPilot reported an oil leak in the right engine to controller while on an instrument approach to Waukegan airport. Several minutes later, pilot reported that he had lost sight of the airport and due to loss of power in the right engine, elected to land in a…Apr 5, 1982 · N69341 · Minor damage