19970723019529A

Accident · Substantial damage

FAA accident report · Beech 77 · Lakeport, CA · July 23, 1997

Date
July 23, 1997 · 09:00 local
Place
Lakeport, CA
Phase of flight
Fcd/Prec Ldg From Cruise
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N1848F
NTSB investigation
NTSBLAX97LA254
Reported as
Beech 77
Reported engine
Lycoming O235L2C
People aboard
2
Fatal injuries
0
Pilot’s flight hours
333 total333 in this make and model2 in the last 90 days

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.

Aircraft experienced engine failure made emergency landing in a vineyard. (.4)the aircraft was owned and operated by the pilot and was on a local instructional flight to complete the pilot's biennial flight review. The pilot and instructor reported that they were performing a series of slow flight maneuvers and stalls. The engine lost power and could not be restarted, and the pilots were forced to land in a vineyard. On-ground collision with grape vines and the supporting wooden posts and wires damaged the aircraft. An FAA inspector reported that rotation of the crankshaft produced compression in each cylinder, with accessory gear and valve train continuity established. The carburetor and fuel system were examined, with no abnormality noted. Both magnetos sparked with hand rotation. About 13 miles west at ukiah, California, the 0845 weather observation showed that the temperature and dew point were 60 and 51 degrees fahrenheit. Review of a carburetor icing probability chart revealed that the temperature and dew point were within an area of the graph annotated 'serious icing - cruise or climb power.'

As the FAA filed it

AIRCRAFT EXPERIENCED ENGINE FAILURE MADE EMERGENCY LANDING IN A VINEYARD. (.4)THE AIRCRAFT WAS OWNED AND OPERATED BY THE PILOT AND WAS ON A LOCAL INSTRUCTIONAL FLIGHT TO COMPLETE THE PILOT'S BIENNIAL FLIGHT REVIEW. THE PILOT AND INSTRUCTOR REPORTED THAT THEY WERE PERFORMING A SERIES OF SLOW FLIGHT MANEUVERS AND STALLS. THE ENGINE LOST POWER AND COULD NOT BE RESTARTED, AND THE PILOTS WERE FORCED TO LAND IN A VINEYARD. ON-GROUND COLLISION WITH GRAPE VINES AND THE SUPPORTING WOODEN POSTS AND WIRES DAMAGED THE AIRCRAFT. AN FAA INSPECTOR REPORTED THAT ROTATION OF THE CRANKSHAFT PRODUCED COMPRESSION IN EACH CYLINDER, WITH ACCESSORY GEAR AND VALVE TRAIN CONTINUITY ESTABLISHED. THE CARBURETOR AND FUEL SYSTEM WERE EXAMINED, WITH NO ABNORMALITY NOTED. BOTH MAGNETOS SPARKED WITH HAND ROTATION. ABOUT 13 MILES WEST AT UKIAH, CALIFORNIA, THE 0845 WEATHER OBSERVATION SHOWED THAT THE TEMPERATURE AND DEW POINT WERE 60 AND 51 DEGREES FAHRENHEIT. REVIEW OF A CARBURETOR ICING PROBABILITY CHART REVEALED THAT THE TEMPERATURE AND DEW POINT WERE WITHIN AN AREA OF THE GRAPH ANNOTATED 'SERIOUS ICING - CRUISE OR CLIMB POWER.'

NTSB investigation

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