# NTSB CEN13WA102: Robinson Helicopter R44, Oosterschelde, Netherlands, January 21, 2012

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: January 21, 2012, 14:30 local (14:30 UTC)
- Place: Oosterschelde, Netherlands
- Coordinates: 51.55389, 3.965833 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=51.5539&lon=3.9658&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- Parties: Petersen Aviation Incorporated, Dutch Safety Board, Lycoming Engines
- NTSB case key (mKey): 85809
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN13WA102
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/85809/pdf
- Page: https://openairdocs.org/ntsb/CEN13WA102

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Power plant: air intake](https://openairdocs.org/ntsb-findings/01057160): Aircraft › Aircraft power plant · Damaged/degraded (probable cause); cases with it: [All aircraft, 50 cases](https://openairdocs.org/ntsb-findings/01057160/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute-cruise: Loss of engine power (partial)](https://openairdocs.org/ntsb-events/342) (defining event); cases with it: [All aircraft, 1,858 cases](https://openairdocs.org/ntsb-events/342/sequence.md)
- [Landing: Off-field or emergency landing](https://openairdocs.org/ntsb-events/440); cases with it: [All aircraft, 3,365 cases](https://openairdocs.org/ntsb-events/440/sequence.md)

## Factual narrative

On January 21, 2012, at 1430 universal coordinated time, a Robinson Helicopter Company model R44, Dutch registration PH-WMW, made an uneventful forced landing after experiencing a partial loss of engine power near Oosterschelde, The Netherlands. The pilot and two passengers were not injured. The helicopter was registered to and operated by Helicon Helicopter Services, located in Bergen op Zoom, The Netherlands. Day visual meteorological conditions prevailed for the flight that departed Kruiningen, The Netherlands, at an unspecified time. The investigation is under the jurisdiction of the Dutch Government. Further information may be obtained from: The Dutch Safety Board P.O. Box 95404 2509 CK The Hague The Netherlands Phone: (+31) 70 333 7000 Fax: (+31) 70 333 7077 E-mail: info@onderzoeksraad.nl Webpage: http://www.onderzoeksraad.nl/en/index.php This report is for informational purposes only and contains only information released by or obtained from The Dutch Safety Board.

## Aircraft

- Registration: PH-WMW (not matched to a registry record)
- Reported make and model: Robinson Helicopter Company R44
- Serial number: 2072
- Airframe hours: 1090
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Helicon Helicopter Services
- Registered owner: Helicon Helicopter Services
- Airworthiness certificate: Standard, Normal
- Departed: Oosterschelde
- Destination: Kruiningen
- Flight plan: Unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 17 knots
- Visibility: 4.4 statute miles
- Lowest ceiling: 2,200 ft broken
- Temperature: 46 °F, dew point 45 °F
- Altimeter: 29.70 inHg
- Observed at: EHWO

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.

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