# Incident 20050513010519I: Urocop EC120B, Gulf Of Mexico, US, May 13, 2005

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 13, 2005, 14:25 local time
- Place: Gulf Of Mexico, US
- Damage: Minor damage
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: U0GA
- Location: 28.9408° N, 90.7700° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=28.9408&lon=-90.7700&mi=10
- Aircraft: N588SC, a cancelled registration (https://openairdocs.org/deregistered/N588SC-2009-04-09) (OpenAirDocs)
- Registry model: Eurocopter EC120B (registry code 8680987, https://openairdocs.org/model/eurocopter-ec120b) (OpenAirDocs)
- Registry engine: Turbomeca ARRIUS-2F (registry code 60010, https://openairdocs.org/engine/turbomeca-arrius-2f) (OpenAirDocs)
- Reported make and model: UROCOP EC120B
- Reported engine: TMECA ARRIUS2F
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,096 total, 8 in this make and model
- NTSB investigation: [NTSB DFW05IA119](https://openairdocs.org/ntsb/DFW05IA119) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20050513010519I

## Narrative

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

(-23) WHILE ENROUTE TO HOME BASE, PILOT OBSERVED AN "ENGINE" LIGHT FOLLOWED BY YAW. ENTERED AUTOROTATION, TURNED INTO WIND. DEPLOYED FLOATS AFTER BELOW 75 KTS. SUCCESSFUL AUTOROTATION TO WATER. TWO MAYDAY CALLS, ROTOR STOPPED WITH ROTOR BRAKE. PASSENGER DEPLOYED RAFT, BOTH EXIT AIRCRAFT. PICKED UP BY BOAT. AIRCRAFT ROLLED OVER BEFORE SUCCESSFUL RECOVERY. NTSB DESIGNATED AS INCIDENT DUE TO NO DAMAGE AFTER SUCCESSFUL AUTOROTATION. AIRCRAFT ROLLED AND SUBMERGED BEFORE RECOVERY. ENGINE TEARDOWN AND SUBSEQUENT TESTING SHOWED POSSIBLE FAILURE OF OIL CHECK VALVE POPPET O-RING PART NUMBER 9794420060. ENGINE CERTIFICATION FOLLOW-UP FOR CORRECTIVE ACTIONS.

## 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 DFW05IA119](https://openairdocs.org/ntsb/DFW05IA119), May 13, 2005: Eurocopter France EC120B (N588SC), S.Timbalier 265, incident, no damage. Probable cause: The loss of engine power as result of the failure of the oil pump assembly.

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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