# NTSB investigations: Prop/spinner section

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 CEN25LA007](https://openairdocs.org/ntsb/CEN25LA007.md): Mooney M20E · Richmond, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2024 · N9151V · Substantial damage
  > The partial separation of a portion of the propeller spinner and its mounting bulkhead along with the upper cowl fairing while in a full-power climb.
- [NTSB ERA19LA228](https://openairdocs.org/ntsb/ERA19LA228.md): Pietenpol BIG Piet · Gainesboro, TN · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2019 · N973BP · Substantial damage
  > Separation of the spinner cap for reasons that could not be determined based on available evidence, which resulted in contact and subsequent separation of the wooden propeller blade tip.
- [NTSB WPR18FA171](https://openairdocs.org/ntsb/WPR18FA171.md): Beech A35 · Hesperia, CA · Accident · 2 fatal · Class 2 · Field · Final report · Jun 15, 2018 · N580B · Destroyed
  > The pilot's failure to maintain airplane control during an attempted return to the airport following the separation of the spinner bulkhead during takeoff as a result of fatigue cracking. Contributing to the accident was the pilot's improper decision to fly…
- [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 CEN09IA481](https://openairdocs.org/ntsb/CEN09IA481.md): Raytheon BE-400A · Sugar Land, TX · Incident · No injuries · Incident investigation · Final report · Jul 31, 2009 · N679SJ · Minor damage
  > The failure of the spinner following an unavoidable bird strike. Contributing to the incident were the inadequate engine bird strike certification requirements in place at the time the engine was certified.

## 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01046113'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01046113/cases

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