Guam International Airport
Aircraft Accident/Incident Report

Tamuning, Guam 96913
Friday, April 30, 2010 16:30 UTC

NTSB Narrative Summary Released at Completion of Accident

Unable to get the engine started, the pilot elected to exit the airplane and turn the propeller by hand. The pilot turned off all electrical power and took the keys out of the ignition after turning the magnetos to off prior to exiting the cockpit. As he turned the propeller with both hands his head went beneath the propeller, which struck his head and resulted in a serious injury to the pilot.

NTSB Probable Cause Narrative

The failure of the pilot to maintain clearance with the airplaneā€™s propeller while hand-propping.

Event Information

Type of Event Accident
Event Date 4/30/2010
Event Day of the Week Friday
Time of Event 1630
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Tamuning
Event State GUAM
Event Country --
Zipcode of the event site 96913
Event Date Year 2010
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 132900N
Event Location Longitude 1444800E
Event Location Airport Guam International Airport
Event Location Nearest Airport ID GUM
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 298
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 654 Coordinated Universal Time? Same as GMT
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID GUM
Elevation of weather observation facility 298
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation UTC
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 1700
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 24
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 12
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 18
Altimeter Setting at event time (in. Hg) 29.86
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 27066
NTSB Notification Source Regional Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 21 2010 1:33PM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N733SN
NTSB Number WPR10LA220
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172N
Aircraft Series Identifier --
Aircraft Serial Number 17268514
Certified Max Gross Weight 2300
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 21 2010 12:00AM
Airframe hours since last inspection 65
Airframe Hours 9278
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name Micronesian Aviation Systems
Aircraft Owner Street Address --
Aircraft Owner City Tamuning
Aircraft Owner State GU
Aircraft Owner Country USA
Aircraft Owner Zipcode 96931
Operator is an individual? Yes
Operator Name Takayoki Saito
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Tamuning
Operator State GU
Operator Country USA
Operator Zip code 96931
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code GUM
Departure City Tamuning
Departure State GU
Departure Country USA
Departure Time --
Departure Time Zone UTC
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code GUM
Destination City Tamuning
Destination State GU
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jun 21 2010 1:33PM
User who most recently changed record stam
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --