# NTSB investigations: Mcdonnell Douglas Helicopter 369E: Off-field or emergency landing

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 ERA21LA262](https://openairdocs.org/ntsb/ERA21LA262.md): Mcdonnell Douglas Helicopter 369E · Swan Lake, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 18, 2021 · N371EE · Substantial damage
  > The pilot's failure to maintain adequate clearance from the power transmission tower structure during powerline maintenance work, which resulted in the helicopter's main rotor striking the lifeline support bracket for the tower catwalk and the subsequent loss…
- [NTSB WPR19LA111](https://openairdocs.org/ntsb/WPR19LA111.md): MD Helicopter 369 · Hauula, HI · Accident · No injuries · Class 3 · Limited · Final report · Apr 16, 2019 · N593C · Substantial damage
  > Fuel exhaustion as a result of the pilot’s fuel burn miscalculation. Contributing to the accident was the inoperative caution light indicating low fuel level.
- [NTSB WPR13GA374](https://openairdocs.org/ntsb/WPR13GA374.md): Mcdonnell Douglas Helicopter 369E · Burns, OR · Accident · No injuries · Final report · Aug 12, 2013 · N62PJ · Substantial damage
  > The total loss of engine power during cruise flight due to the separation of one of the 4th-stage turbine wheel blades due to low-cycle fatigue cracking that had progressed to high-cycle fatigue cracking, which ultimately led to the overload failure of the…
- [NTSB ERA13TA341](https://openairdocs.org/ntsb/ERA13TA341.md): Mcdonnell Douglas Helicopter 369E · Jackson, KY · Accident · Serious injuries · Final report · Jul 29, 2013 · N1608D · Destroyed
  > The helicopter pilot's inadvertent collision with an unmarked and uncharted utility wire of which he was unaware.
- [NTSB ERA09LA460](https://openairdocs.org/ntsb/ERA09LA460.md): Mcdonnell Douglas Helicopter 369E · Acworth, GA · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 2009 · N527BB · Substantial damage
  > The loss of engine power due to the fatigue failure of the third-stage turbine wheel airfoil.
- [NTSB ERA09IA499](https://openairdocs.org/ntsb/ERA09IA499.md): Mcdonnell Douglas Helicopter 369E · Allentown, PA · Incident · No injuries · Incident investigation · Final report · Sep 29, 2008 · N801SB · Minor damage
  > The fatigue failure of a blade in the second-stage turbine wheel, which resulted in a total loss of engine power.

## 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 ('3027369')
    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" = '440' 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/440/sequence?model=3027369

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