Pilot of an small aircraft sel made an off airport emergency landing after the propeller separated from the aircraft during cruise. There was no damage to the aircraft during the subsequent landing. It was determined that the propeller attachment bolts had sheared causing the propeller to fall off the aircraft. There were no registration or airworthiness certificates found aboard the aircraft.

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Attributes
ACN	383407
Time
Date	199710
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : pga
State Reference	AZ
Altitude	msl bound lower : 9500 msl bound upper : 9500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial
Experience	flight time last 90 days : 112 flight time total : 846 flight time type : 8
ASRS Report	383407
Person 2
Experience	flight time last 90 days : 112 flight time total : 846 flight time type : 8
Events
Anomaly	aircraft equipment problem : critical non adherence : far other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	faa : investigated Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

On a delivery flight from 4MY to st george, ut, the propeller separated from the aircraft. The bolts that hold the hub to the crankshaft sheared. A forced landing ensued. There were no injuries or damage to the airplane from the forced landing. After the incident, it was discovered that the airworthiness and registration certificates were not in the aircraft.

Original NASA ASRS Text

Title: PLT OF AN SMA SEL MADE AN OFF ARPT EMER LNDG AFTER THE PROP SEPARATED FROM THE ACFT DURING CRUISE. THERE WAS NO DAMAGE TO THE ACFT DURING THE SUBSEQUENT LNDG. IT WAS DETERMINED THAT THE PROP ATTACHMENT BOLTS HAD SHEARED CAUSING THE PROP TO FALL OFF THE ACFT. THERE WERE NO REGISTRATION OR AIRWORTHINESS CERTIFICATES FOUND ABOARD THE ACFT.

Narrative: ON A DELIVERY FLT FROM 4MY TO ST GEORGE, UT, THE PROP SEPARATED FROM THE ACFT. THE BOLTS THAT HOLD THE HUB TO THE CRANKSHAFT SHEARED. A FORCED LNDG ENSUED. THERE WERE NO INJURIES OR DAMAGE TO THE AIRPLANE FROM THE FORCED LNDG. AFTER THE INCIDENT, IT WAS DISCOVERED THAT THE AIRWORTHINESS AND REGISTRATION CERTIFICATES WERE NOT IN THE ACFT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.