# NTSB investigations: Beech C-99: Collision with terr/obj (non-CFIT)

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 CEN25FA006](https://openairdocs.org/ntsb/CEN25FA006.md): Beech C99 · Norfolk, NE · Accident · 1 fatal · Class 3 · Field · Final report · Oct 8, 2024 · N130GP · Destroyed
  > The pilot’s failure to maintain adequate airspeed following a partial loss of engine power during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the fatigue failure of the compressor turbine fan disk blade.
- [NTSB ERA24FA097](https://openairdocs.org/ntsb/ERA24FA097.md): Beech C99 · Londonderry, NH · Accident · Serious injuries · Class 3 · Field · Final report · Jan 26, 2024 · N53RP · Substantial damage
  > The pilot’s failure to ensure that the cockpit door was secured before flight, which resulted in its separation during initial climb and a subsequent loss of control.
- [NTSB ERA23FA346](https://openairdocs.org/ntsb/ERA23FA346.md): Beech C-99 · Litchfield, ME · Accident · 2 fatal · Class 3 · Field · Final report · Aug 22, 2023 · N55RP · Destroyed
  > A horizontal stabilizer pitch trim anomaly that was not identified in the available evidence.
- [NTSB CEN23LA363](https://openairdocs.org/ntsb/CEN23LA363.md): Beech C-99 · Lansing, MI · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 15, 2023 · N261SW · Substantial damage
  > The pilot’s failure to properly set the rudder trim position which resulted in a loss of directional control during takeoff. Contributing was the pilot’s inadequate checklist procedures prior to takeoff.

## 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.aircraft_model_code IN ('1154006')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=1154006

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