# Accident 20090407004529A: Skrsky CH54B, Corvallis, OR, April 7, 2009

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 7, 2009, 15:45 local time
- Place: Corvallis, OR
- Airport: Corvallis Municipal
- Damage: Substantial damage
- Phase of flight: Other, Specify
- Operating rules: General operating rules (Part 91)
- Operator: 9HTL
- Location: 44.4972° N, 123.2894° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=44.4972&lon=-123.2894&mi=10
- Aircraft: N719HT, registered now (https://openairdocs.org/aircraft/N719HT) (OpenAirDocs)
- Registry model: Sikorsky CH-54B (registry code 8142505, https://openairdocs.org/model/sikorsky-ch-54b) (OpenAirDocs)
- Registry engine: Pratt & Whitney JFTD12A series (registry code 52047, https://openairdocs.org/engine/pratt-whitney-jftd12a-series) (OpenAirDocs)
- Reported make and model: SKRSKY CH54B
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot flight hours: 19,000 total, 1,100 in this make and model, 4 in the last 90 days
- NTSB investigation: [NTSB WPR09LA184](https://openairdocs.org/ntsb/WPR09LA184) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20090407004529A

## Narrative

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

(-23)  DURING SHUTDOWN FROM A TRAINING FLIGHT, THE PILOT FELT AN UNUSUAL AIRFRAME VIBRATION.  THE CYCLIC STICK WAS AT THE NORMAL UPRIGHT POSITION FOR SHUTDOWN.  THE MAIN ROTOR CONTACTED THE NR 5 SECTION OF TAIL ROTOR DRIVE SHAFT.  SUBSTANTIAL DAMAGE TO THE TAILROTOR DRIVE SHAFT, TAIL BOOM AND HANGAR BEARING SUPPORT AND 2 EA MAIN ROTOR BLADES.

## 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 WPR09LA184](https://openairdocs.org/ntsb/WPR09LA184), Apr 7, 2009: Sikorsky CH-54B (N719HT), Corvallis, OR, substantial damage. Probable cause: The improper assembly of main rotor blade control components by the operator's maintenance personnel, which resulted in the main rotor blade's divergent path and their contact with the tail rotor…

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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