# Accident 20240713010499A: Robinson Helicopter R44 II, Herriman, UT, July 13, 2024

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 13, 2024, 10:40 local time
- Place: Herriman, UT
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Location: 40.5051° N, 112.0550° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=40.5051&lon=-112.0550&mi=10
- Aircraft: N6960, registered now (https://openairdocs.org/aircraft/N6960) (OpenAirDocs)
- Registry model: Robinson Helicopter R44 II (registry code 7640123, https://openairdocs.org/model/robinson-helicopter-r44-ii) (OpenAirDocs)
- Registry engine: Lycoming IO-540-AE1A5 (registry code 41899, https://openairdocs.org/engine/lycoming-io-540-ae1a5) (OpenAirDocs)
- Reported make and model: ROBINSON HELICOPTER R44 II
- Reported engine: LYCOMING IO-540-AE1A5
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor, private pilot, student
- Pilot flight hours: 761 total, 211 in this make and model, 208 in the last 90 days
- NTSB investigation: [NTSB WPR24LA241](https://openairdocs.org/ntsb/WPR24LA241) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20240713010499A

## Narrative

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

DURING FLIGHT PILOT/CFI REDUCED THROTTLE TO DEMONSTRATE AUTOROTATION TO STUDENT. IMMEDIATELY FOLLOWING REDUCTION OF THROTTLE, EXPERIENCED ENGINE FAILURE RESULTING IN THE PILOT PERFORMING POWEROFF ROTATION TO GROUND. DURING TERMINATION OF AUTOROTATION, AS A RESULT OF LOST ROTORSPEED THE BLADES CAME IN CONTACT WITH THE TAIL BOOM CAUSING LOSS OF TAIL ROTOR AND GEAR BOX.

## 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 WPR24LA241](https://openairdocs.org/ntsb/WPR24LA241), Jul 13, 2024: Robinson Helicopter R44 II (N6960), Herriman, UT, substantial damage. Probable cause: A hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the…

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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