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20061120025649A

Accident · Substantial damage
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FAA accident report · Univar 108-1 · San Jose, CA · November 20, 2006

FAA Aviation Safety Information Portal

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Date
November 20, 2006 · 12:32 local
Place
San Jose, CA
Phase of flight
Fcd/Prec Ldg From Cruise
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N97949
NTSB investigation
NTSBLAX07LA040
Reported as
Univar 1081
Reported engine
Franklin 6A4150*
People aboard
1
Fatal injuries
0
Pilot’s flight hours
525 total20 in this make and model8 in the last 90 days
N97949Registered now · Stinson 108-1S/N 108-949Airframe modelStinson 108-1Engine modelFranklin 6A4150 seriesReciprocating

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) The pilot in command departed reid-hillview airport (rhv) at approximately 12:15 PDT and made one circuit around the pattern. He then departed the airport and flew approximately 10 NM southeast, turned around and headed back to the airport. As he was flying over a VFR reporting point (8.5 NM se), he heard a loud bang and the aircraft began shuttering violently. The pilot stated he reduced the throttle to idle and the shuttering stopped. He advanced the throttle once again and the shuttering became worse proportionately. He said at this point he realized he was not able to land at the airport and elected to land in the open space pasture below him. He remembers completing two spirals and landing the aircraft uphill heading southeast. While making a wheel landing, the aircraft was headed for a cluster of rocks; the pilot applied slight right rudder to steer the aircraft clear of the rocks. Just prior to the tail touching down, the left main wheel struck a dirt mound and flipped the aircraft over on its back. The pilot secured the aircraft and exited with no injuries.

As the FAA filed it

(-23) THE PILOT IN COMMAND DEPARTED REID-HILLVIEW AIRPORT (RHV) AT APPROXIMATELY 12:15 PDT AND MADE ONE CIRCUIT AROUND THE PATTERN. HE THEN DEPARTED THE AIRPORT AND FLEW APPROXIMATELY 10 NM SOUTHEAST, TURNED AROUND AND HEADED BACK TO THE AIRPORT. AS HE WAS FLYING OVER A VFR REPORTING POINT (8.5 NM SE), HE HEARD A LOUD BANG AND THE AIRCRAFT BEGAN SHUTTERING VIOLENTLY. THE PILOT STATED HE REDUCED THE THROTTLE TO IDLE AND THE SHUTTERING STOPPED. HE ADVANCED THE THROTTLE ONCE AGAIN AND THE SHUTTERING BECAME WORSE PROPORTIONATELY. HE SAID AT THIS POINT HE REALIZED HE WAS NOT ABLE TO LAND AT THE AIRPORT AND ELECTED TO LAND IN THE OPEN SPACE PASTURE BELOW HIM. HE REMEMBERS COMPLETING TWO SPIRALS AND LANDING THE AIRCRAFT UPHILL HEADING SOUTHEAST. WHILE MAKING A WHEEL LANDING, THE AIRCRAFT WAS HEADED FOR A CLUSTER OF ROCKS; THE PILOT APPLIED SLIGHT RIGHT RUDDER TO STEER THE AIRCRAFT CLEAR OF THE ROCKS. JUST PRIOR TO THE TAIL TOUCHING DOWN, THE LEFT MAIN WHEEL STRUCK A DIRT MOUND AND FLIPPED THE AIRCRAFT OVER ON ITS BACK. THE PILOT SECURED THE AIRCRAFT AND EXITED WITH NO INJURIES.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB LAX07LA040Accident · No injuriesLimited investigationFinal reportSan Jose, CAPartial loss of engine power due to a seized exhaust valve during cruise flight. Rough terrain at the forced landing site was a contributing factor.Nov 20, 2006 · Substantial damage