# Accident 20100430033449A: Cessna 172N, Tamuning, GU, April 30, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 30, 2010, 16:30 local time
- Place: Tamuning, GU
- Airport: Guam International
- Damage: No damage
- Phase of flight: Ground/Ramp/Ma
- Location: 13.4833° N, 144.8000° E: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=13.4833&lon=144.8000&mi=10
- Aircraft: N733SN, a cancelled registration (https://openairdocs.org/deregistered/N733SN-2025-11-29) (OpenAirDocs)
- Registry model: Cessna 172N (registry code 2072434, https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Reported engine: LYCOMING 0-320
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 241 total, 234 in this make and model, 1 in the last 90 days
- NTSB investigation: [NTSB WPR10LA220](https://openairdocs.org/ntsb/WPR10LA220) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100430033449A

## Narrative

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

ON APRIL30, 2010 AT APPROXIMATELY 1630 LOCAL TIME A PRIVATE PILOT AND CFI WERE PREPARING FOR A LOCAL INSTRUCTIONAL FLIGHT.  AFTER SEVERAL ATTEMPTS TO ENGAGE THE STARTER THE PRIVATE PILOT EXITED THE AICRAFT TO ROTATE THE PROPELLER.  THE PILOT TURNED THE PROPELLER A FEW TIMES WITH ONE HAND THEN WITH BOTH HANDS. AS HE TURNED THE PROPELLER WITH BOTH HANDS HIS HEAD WAS BENEATH THE PROPELLER AND HE WAS STRUCK ON THE HEAD.  THE CFI IMMEDIATELY CALLED 911

## 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 WPR10LA220](https://openairdocs.org/ntsb/WPR10LA220), Apr 30, 2010: Cessna 172N (N733SN), Tamuning, no damage. Probable cause: The failure of the pilot to maintain clearance with the airplane’s propeller while hand-propping.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.