# NTSB investigations, 2014: Part(s) separation from AC

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR15LA025](https://openairdocs.org/ntsb/WPR15LA025.md): Cessna 172S · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Oct 26, 2014 · N353MV · Substantial damage
  > The separation of a section of a propeller blade due to fatigue cracking. Contributing to the accident was the operator’s failure to comply with the manufacturer’s maintenance and inspection instructions.
- [NTSB CEN15TA035](https://openairdocs.org/ntsb/CEN15TA035.md): Bell UH1H · San Isidro, TX · Accident · No injuries · Final report · Oct 23, 2014 · N72595 · Substantial damage
  > The flight crew's failure to ensure that the sliding cabin door was properly secured before the flight.
- [NTSB CEN14LA508](https://openairdocs.org/ntsb/CEN14LA508.md): Brupbacher Chris CB2000 · Reserve, LA · Accident · 2 fatal · Limited investigation · Final report · Sep 21, 2014 · N5002E · Destroyed
  > The failure of the flight control rod bearing due to an undetected preexisting corrosion-induced crack, which resulted in the main rotor blades going to full pitch and the rotor mast folding; this allowed the pusher propeller to strike and sever the tail.
- [NTSB WPR14LA377](https://openairdocs.org/ntsb/WPR14LA377.md): Piper PA 28 · Lone Pine, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 15, 2014 · N5948W · Substantial damage
  > The fatigue failure of a propeller blade due to a propeller strike by/of an unidentified object at an unknown time.
- [NTSB ERA14FA421](https://openairdocs.org/ntsb/ERA14FA421.md): Klaas Development Lancair IV P · Ooltewah, TN · Accident · 1 fatal · Field investigation · Final report · Sep 3, 2014 · N541EM · Substantial damage
  > The inadequate torque of the propeller mounting bolts and inspection of the propeller, which resulted in the fatigue fracture of the bolts and a subsequent in-flight separation of the propeller assembly.
- [NTSB CEN14LA401](https://openairdocs.org/ntsb/CEN14LA401.md): Mosquito XE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 2014 · CF-HEZ · Substantial damage
  > The failure of the retaining assembly on the tail rotor blade, which resulted in the separation of the blade and the subsequent loss of helicopter control.
- [NTSB WPR14LA308](https://openairdocs.org/ntsb/WPR14LA308.md): Mdhi 369D · Oso, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 2014 · N5225C · Substantial damage
  > The pilot/mechanic’s failure to properly perform required inspections of the main rotor blades at the necessary intervals, which resulted in an in-flight separation of a main rotor blade due to disbonding and fatigue cracking. Contributing to the accident was…
- [NTSB CEN14LA305](https://openairdocs.org/ntsb/CEN14LA305.md): Bollinger Robert L BD 4 · Fairfield, IA · Accident · 1 fatal · Limited investigation · Final report · Jun 22, 2014 · N108BC · Destroyed
  > The pilot’s loss of airplane control due to the in-flight separation of the propeller blades for reasons that could not be determined based on the available evidence.
- [NTSB ERA14WA246](https://openairdocs.org/ntsb/ERA14WA246.md): Cessna T206H · Macas, Ecuador · Accident · Serious injuries · Foreign investigation · May 14, 2014 · HC-CFE · Destroyed
  > On May 14, 2014, about 1600 local time, a Cessna T206H, Ecuadorian registration HC-CFE, was substantially damaged when it impacted power lines while returning to land at Edmundo Carvajal Airport (SEMC), Macas, Ecuador, with smoke in the cockpit. The…
- [NTSB ERA14LA223](https://openairdocs.org/ntsb/ERA14LA223.md): Messerschmitt-Bolkow-Blohm BK 117 · Hamburg, NY · Accident · No injuries · Limited investigation · Final report · May 4, 2014 · N504TJ · Substantial damage
  > Wear in the left cabin door assembly parts, which resulted in the door partially opening in flight, dislodging from the lower door track assembly, and then separating from the helicopter.
- [NTSB CEN14LA118](https://openairdocs.org/ntsb/CEN14LA118.md): Grumman American Avn. AA 5B · Willow Park, TX · Accident · No injuries · Limited investigation · Final report · Jan 21, 2014 · N28578 · Substantial damage
  > The improper reinstallation of the propeller assembly, which resulted in the subsequent in-flight separation of the propeller.
- [NTSB WPR14LA096](https://openairdocs.org/ntsb/WPR14LA096.md): Morrisey 2150 · Pismo Beach, CA · Accident · 2 fatal · Limited investigation · Final report · Jan 14, 2014 · N5102V · Destroyed
  > The in-flight separation of a wing for reasons that could not be determined because the wreckage was not recovered from the ocean.
- [NTSB ERA14LA098](https://openairdocs.org/ntsb/ERA14LA098.md): Israel Aircraft Industries Gulfstream 200 · Savannah, GA · Accident · No injuries · Limited investigation · Final report · Jan 14, 2014 · N720QS · Substantial damage
  > Maintenance personnel’s failure to properly secure the auxiliary power unit service door before returning the airplane to service, which resulted in substantial damage to the rudder.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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 year(c."eventDate") = 2014
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '338')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/338/cases?year=2014

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
