# NTSB CEN14WA534: Agustawestland AW139, Umea, Sweden, September 11, 2014

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Foreign investigation
- Date: September 11, 2014, 12:30 local (12:30 UTC)
- Place: Umea, Sweden
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 90719
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN14WA534
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/90719/pdf
- Page: https://openairdocs.org/ntsb/CEN14WA534

## Sequence of events

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

- [Takeoff: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340) (defining event); cases with it: [All aircraft, 820 cases](https://openairdocs.org/ntsb-events/340/sequence.md)

## Factual narrative

On September 11, 2014, at 1230 coordinated universal time, an Agusta Westland AW139, SE-JRH, experienced a detachment of the slip ring assembly for anti-icing of the tail rotor, near Umea Airport (ESNU), Umea, Sweden. The helicopter landed at ESNU without further incident. The four crew members onboard the helicopters were uninjured. The helicopter sustained no damage. Visual meteorological conditions prevailed for the flight. The flight was originating from ESNU at the time of the incident. The investigation is under the jurisdiction of the Government of Sweden. This report is for information purposes only and contains only information released by the Government of Sweden. Further information pertaining to this accident may be obtained from: Swedish Accident Investigation Authority (SHK) Sveavägen 151 Box 12538 102 29 Stockholm, Sweden info@havkom.se

## Aircraft

- Registration: SE-JRH (not matched to a registry record)
- Reported make and model: AGUSTAWESTLAND AW139
- Category: Helicopter
- Serial number: 499
- Damage: No damage
- Operator: Sjofartsverket
- Departed: Umea
- Airport: Umea Airport

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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