LAX83LA381

NTSB accident investigation · Grumman American AA1 · Bishop, CA · August 10, 1983

Accident · No injuriesLimited investigationFinal report
Date
August 10, 1983, 10:30 local (17:30 UTC)
Place
Bishop, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N6105LGrumman American AA1
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830810039769A
Case key
23818

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightCruise - normal
Flight control,elevator tab - improperCause
Maintenance,inspection - inadequateOther maintenance personnelCause
Maintenance,100-hour inspection - performedOther maintenance personnelCause
Elevator - inadequatePilot in commandCause
Forced landingLanding - flare/touchdown
Complete gear collapsedLanding - flare/touchdown
Landing gear,main gear - overloadFactor
Landing gear,nose gear - overloadFactor

Analysis

The acft landed hard during a forced landing and collapsed the landing gear pilot reported that 10-15 minutes after takeoff he experienced pitch control problems. He was unable to turn the acft and made a forced landing straight ahead. The pilot stated that possibly he hit a bird but also noted after the accident that a bolt on the elevator trim tab linkage was missing. Maintenance records indicated that on the last 100 hour inspection the rudder, aileron and elevator cables were inspected and the elevator bungee housing was inspected and no defects found. This inspection was performed at a tach time of 1068.3. The tack time after the accident was 1127.74. No evidence of a bird strike was found during examination of the acft.

Aircraft

Registration
N6105L
Reported as
Grumman American AA1
Category
Airplane
Serial number
305
Airframe hours
1,128
Engine
Lycoming O-235-C2C, 108 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
N. V. Matthis & J. A. Schanker
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 6, 1983 · 59 hours before
Departed
BIH · Bishop, CA
Destination
VGT · Las Vegas, NV
Flight plan
VFR
Airport
BIH

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
55
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,553 total · 70 in this make and model · 70 in the last 90 days · 20 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 5 knots
Visibility
30 statute miles
Lowest ceiling
15,000 ft broken
Temperature
70 °F, dew point 63 °F
Altimeter
30.00 inHg
Observed at
BIH, 20 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.