# Accident 19900925042309A: Hughes 269C, Jefferson, MD, September 25, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 25, 1990, 10:35 local time
- Place: Jefferson, MD
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 39.3597° N, 77.5296° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.3597&lon=-77.5296&mi=10
- Aircraft: N1094D, a cancelled registration (https://openairdocs.org/deregistered/N1094D-1990-12-07) (OpenAirDocs)
- Registry model: Hughes 269C (registry code 4470504, https://openairdocs.org/model/hughes-269c) (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Reported engine: LYC HIO360D1A
- People aboard: 1
- Fatal injuries: 1
- NTSB investigation: [NTSB BFO90FA079](https://openairdocs.org/ntsb/BFO90FA079) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900925042309A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

LOST TAILROTOR DRIVE AT CRUISE DUE TO WORN SP LINE SLEEVE. INADEQUATE MAINTENANCE AND INSPECTION CONTRIBUTED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB BFO90FA079](https://openairdocs.org/ntsb/BFO90FA079), Sep 25, 1990: Hughes 269C (N1094D), Jefferson, MD, destroyed, 1 fatal. Probable cause: THE FAILURE OF THE TAIL ROTOR DRIVE TRANSMISSION SYSTEM DUE TO A WORN TAIL ROTOR SPLINED DRIVE SLEEVE, AND INADEQUATE MAINTENANCE AND/OR INSPECTION BY THE OPERATOR. CONTRIBUTING TO THE LOSS OF…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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