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ASN Wikibase Occurrence # 133537
 
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Date:18-JUL-1997
Time:09:30
Type:Silhouette image of generic EXEC model; specific model in this crash may look slightly different
RotorWay Exec
Owner/operator:Nathan F. Fronsman
Registration: N6323F
MSN: 3237
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Lakeport, CA -   United States of America
Phase: Standing
Nature:Private
Departure airport:102
Destination airport:
Investigating agency: NTSB
Narrative:
On July 18, 1997, at 0930 hours Pacific daylight time, a homebuilt experimental Fronsman Rotorway Exec helicopter, N6323F, was destroyed by a ground fire following a loss of oil pressure while hovering at the Lakeport, California, airport. The helicopter was owned and operated by the pilot and was on a local area personal flight. Visual meteorological conditions prevailed at the time and no flight plan was filed. The private pilot, the sole occupant, was not injured. The flight originated about 0915 on the morning of the accident from the Lakeport airport.

In a statement to Federal Aviation Administration inspectors, the pilot said he was practicing hover operations when the oil pressure began to decrease below red line. By the time the pilot landed at his parking ramp, the oil pressure was at zero. As he exited the helicopter, the pilot noticed smoke and flames coming from the right side of the engine compartment. He was unsuccessful in extinguishing the fire with a portable extinguisher and the helicopter was destroyed in the subsequent ground fire.

The pilot completed a condition inspection on the helicopter immediately prior to the flight.
PROBABLE CAUSE:an undetermined failure of the oil system (lines or filter), while hovering, which resulted in an engine compartment fire that erupted and subsequently destroyed the helicopter after it was landed.

Sources:

NTSB id 20001208X08441


Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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