# NTSB investigations: Lycoming T5313B

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 ERA25LA380](https://openairdocs.org/ntsb/ERA25LA380.md): Bell Helicopter UH-1D · DeLand, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 26, 2025 · N849DB · Substantial damage
  > The pilot’s loss of helicopter control during landing approach in strong wind conditions, which resulted in tail rotor contact with the ground during landing.
- [NTSB WPR13FA411](https://openairdocs.org/ntsb/WPR13FA411.md): Bell UH 1B · Detroit, OR · Accident · 1 fatal · Field investigation · Final report · Sep 16, 2013 · N204UH · Substantial damage
  > The fatigue failure of the upper two tailboom attachment points, which resulted in the tailboom separating from the fuselage during logging operations. Contributing to the accident was poor maintenance throughout the helicopter’s operational life.
- [NTSB ANC84LA089](https://openairdocs.org/ntsb/ANC84LA089.md): Bell 205A-1 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 12, 1984 · N58116 · Substantial damage
  > The plt had just picked up an external 'sling' load of 2700 lbs of back-fill in a cement bucket. At 900 ft AGL the acft started a vertical vibration. As collective was bottomed a large piece of one main rotor blade separated. The plt said he jettisoned the…
- [NTSB ANC76AA132](https://openairdocs.org/ntsb/ANC76AA132.md): Bell 205A-1 · Drift River, AK · Accident · Minor injuries · Closed · Sep 13, 1976 · N58116 · Substantial damage

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41613'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41613

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