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NTSB investigations

11 cases where NTSB found Engine cowling system.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

20082026

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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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01057110')) 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01057110'))
  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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01057110'))
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 ERA21LA155Accident · Minor injuriesClass 3 · LimitedFinal reportSocata MS894A · Monroe, GAMaintenance personnel’s failure to properly inspect and maintain the airplane’s engine cowling latches, which resulted in the in-flight separation of the engine cowling and a subsequent forced landing.Mar 15, 2021 · N42BF · Substantial damage NTSB CEN20LA082Accident · No injuriesClass 3 · LimitedFinal reportCessna 560 · Aledo, TXThe in-flight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.Feb 12, 2020 · N654CE · Substantial damage NTSB CEN20LA041Accident · No injuriesClass 3 · LimitedFinal reportCessna 525A · Scotts Bluff, NEThe installation of incorrect mounting hardware to secure the right engine cowl, which resulted in an in-flight separation and impact with the horizontal stabilizer and elevator.Dec 18, 2019 · CGOJG · Substantial damage NTSB WPR20LA035Accident · No injuriesClass 3 · LimitedFinal reportZenith Stol CH701 · Byron, CAThe pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power.Nov 29, 2019 · N701WJ · Substantial damage NTSB GAA17CA557Accident · Minor injuriesData collectionFinal reportBellet James J Vans RV 8 · Orange, MAThe pilot's failure to remove the engine cowl plugs during preflight, which resulted in excessive engine cylinder head temperatures during climb and a total loss of engine power.Sep 26, 2017 · N184SJ · Substantial damage NTSB CEN12CA474Accident · No injuriesData collectionFinal reportEurocopter Deutschland MBB-BK 117 C-2 · Houston, TXThe pilot’s inadequate preflight inspection, which failed to detect the unsecured cowling latches and resulted in the in-flight opening of an engine cowling.Jul 24, 2012 · N455MH · Substantial damage NTSB ENG12IA003Incident · No injuriesIncident investigationFinal reportBoeing 747-451 · Detroit, MIThe penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the undercowl fire. Contributing to the incident was the…Oct 23, 2011 · N661US · Minor damage NTSB ENG11IA051Incident · No injuriesIncident investigationFinal reportBoeing 757-222 · Denver, CO**This probable cause was modified on 4/5/2012. Please see the public docket for this accident to view the original probable cause.** The initial damage to the fan blades was caused by the ingestion of a Red-Tailed Hawk that caused one or more fan blades to…Sep 26, 2011 · N526UA · Minor damage NTSB WPR09CA415Accident · No injuriesData collectionFinal reportPaul B. Johnson Avid Mark IV · Nampa, IDThe airplane's encounter with tall vegetation that ensnared the landing gear during an off-field precautionary landing.Aug 21, 2009 · N333PD · Substantial damage NTSB CEN09CA218Accident · No injuriesData collectionFinal reportBell 222 · Milliken, COThe separation of the left engine cowling for undetermined reasons.Mar 13, 2009 · N222LL · Substantial damage NTSB CHI08LA071Accident · No injuriesLimited investigationFinal reportAirbus Industrie A319-114 · Detroit, MIThe separation of the engine cowling which resulted from maintenance personnel failing to follow maintenance procedures in that they did not latch the engine cowling following the maintenance inspection. A factor associated with the accident was their…Jan 9, 2008 · N349NB · Substantial damage