# NTSB investigations, IN: 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 CEN25LA392](https://openairdocs.org/ntsb/CEN25LA392.md): Diamond DA20-C1 · Terre Haute, IN · Accident · No injuries · Class 4 · Limited · Final report · Sep 19, 2025 · N544KC · Substantial damage
  > The failure of the nose landing gear strut and associated nosewheel separation during takeoff.
- [NTSB DCA24LA210](https://openairdocs.org/ntsb/DCA24LA210.md): Boeing 767-316 ER · Milan, IN · Accident · No injuries · Class 4 · Limited · Final report · Jun 17, 2024 · C-FCJU · Substantial damage
  > One or more latches were not fully re-engaged after a service check which resulted in the auxiliary power unit (APU) doors separating from the aircraft during climb out.
- [NTSB CEN24LA128](https://openairdocs.org/ntsb/CEN24LA128.md): Eurocopter Deutschland MBB-BK 117 C-2 · West Lafayette, IN · Accident · No injuries · Class 3 · Limited · Final report · Mar 7, 2024 · N191LL · Substantial damage
  > The failure of maintenance personnel to properly install the tail rotor pitch change slider attachment hardware (T-bolt), which led to the disconnection of the pitch change slider, a loss of tail rotor control, and subsequent hard landing. Contributing to the…
- [NTSB CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB CEN22LA250](https://openairdocs.org/ntsb/CEN22LA250.md): Beech 58 · Evansville, IN · Incident · No injuries · Class 3 · Limited · Final report · Jun 8, 2022 · N78KL · Minor damage
  > The failure of the propeller blade due to high-cycle fatigue that originated from damage that occurred at an unknown time. Contributing to the accident was the failure to identify the damage before the accident flight.
- [NTSB CEN18FA282](https://openairdocs.org/ntsb/CEN18FA282.md): Fisher Celebrity · Patriot, IN · Accident · 1 fatal · Field investigation · Final report · Jul 19, 2018 · N228LC · Destroyed
  > An in-flight separation of the right wing due to upward and rearward bending that led to an overstress fracture. The reason for the upward and rearward bending could not be determined based on the available information.
- [NTSB CEN18FA258](https://openairdocs.org/ntsb/CEN18FA258.md): Bell 47G · Arlington, IN · Accident · 1 fatal · Field investigation · Final report · Jul 6, 2018 · N96195 · Substantial damage
  > The inflight separation of the upper transmission due to the thread failure of transmission housing attachment bolts, which were installed on the helicopter with thread damage from a prior installation.
- [NTSB CEN14LA075](https://openairdocs.org/ntsb/CEN14LA075.md): Cessna 560 · Walton, IN · Accident · No injuries · Limited investigation · Final report · Dec 2, 2013 · N810QS · Substantial damage
  > The inflight separation of the upper and lower right engine cowlings for reasons that could not be determined based on available evidence.
- [NTSB CEN13CA515](https://openairdocs.org/ntsb/CEN13CA515.md): Grumman American Avn. AA-1B · Valparaiso, IN · Accident · Minor injuries · Data collection · Final report · Aug 25, 2013 · N5538B · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB CEN09LA132](https://openairdocs.org/ntsb/CEN09LA132.md): Grumman American Avn. AA-5B · Milford, IN · Accident · No injuries · Limited investigation · Final report · Jan 5, 2009 · N28862 · Substantial damage
  > A loss of engine thrust due to the separation of a section of one of the propeller blades as a result of fatigue failure of the propeller because of corrosion. Contributing to the accident was the failure of the mechanic to detect and address the propeller…
- [NTSB CHI08FA269](https://openairdocs.org/ntsb/CHI08FA269.md): Bell 206L-1 · Greensburg, IN · Accident · 3 fatal · Field investigation · Final report · Aug 31, 2008 · N37AE · Destroyed
  > The in-flight separation of a main rotor blade due to a fatigue failure of the blade spar, rendering the helicopter uncontrollable, and the manufacturer's production of main rotor blades with latent manufacturing defects, which precipitated the fatigue…

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

This list as a web page: https://openairdocs.org/ntsb-events/338/sequence?state=IN

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