Investigation Report
Incorrect Flight Recorder Torque Conversions Following Sikorsky S-76C++ Go-Around
S4-2012 G-WIWI
- AAIB
- Investigation Report
- S4/2012
- Incident investigation
- Helicopter operations
- Helicopter
- Functional testing
Read at AAIBOpens the publisher’s page on gov.uk
Summary
This special bulletin examines incorrect flight-recorder torque conversions following a Sikorsky S-76C++ go-around at a private East Sussex landing site. Revised conversions revealed total torque above the maintenance threshold. Calibration supported the revised factors, and the AAIB recommended consolidated, correct conversion documentation for the affected flight data acquisition unit.
Classifications: Incident investigation; accident investigation.
Classifications: Helicopter operations; offshore aviation; rotary-wing operations.
Classifications: Helicopter; rotorcraft.
Classifications: Functional testing; function test.
S4/2012.