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Aviation safety reports, made easier to study

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January 26, 1987 · Grumman AA-1B · N1408R

Tracy, CA

Overview

Report Status
Preliminary report
Event Type
Accident
Date
January 26, 1987
Injury Outcomes
1 injury (1 minor injury)
Location
Tracy, CA
Aircraft
Grumman AA-1B
Tail Number
N1408R
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
LAX87LA098

JUST AFTER TAKEOFF WHILE CLIMBING THROUGH 200 FT AGL THE ENGINE QUIT. THE PILOT MADE A FORCED LANDING IN A GRAVEL PIT WHERE THE AIRCRAFT COLLIDED WITH A BANK. EXAMINATION OF THE ENGINE REVEALED THAT THE #1 CYLINDER AND PISTON HAD MODERATE TO SEVERE SCUFFING AND THE RINGS WERE OVER LAPPING IN SEVERAL PLACES BY METAL TRANSFER. THE #1 PISTON WAS A NEW PISTON WITH P10 STAMPED ON THE INSIDE TO INDICATE IT WAS A .010 OVERSIZED PISTON. THE REMAINING PISTONS WERE STANDARD SIZE.

Full Narrative

JUST AFTER TAKEOFF WHILE CLIMBING THROUGH 200 FT AGL THE ENGINE QUIT. THE PILOT MADE A FORCED LANDING IN A GRAVEL PIT WHERE THE AIRCRAFT COLLIDED WITH A BANK. EXAMINATION OF THE ENGINE REVEALED THAT THE #1 CYLINDER AND PISTON HAD MODERATE TO SEVERE SCUFFING AND THE RINGS WERE OVER LAPPING IN SEVERAL PLACES BY METAL TRANSFER. THE #1 PISTON WAS A NEW PISTON WITH P10 STAMPED ON THE INSIDE TO INDICATE IT WAS A .010 OVERSIZED PISTON. THE REMAINING PISTONS WERE STANDARD SIZE.

Flight

Event TypeAccident
Event Time16:04 PST
Nearest Airport1nm N
Runway11
Runway Length3680 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftGrumman AA-1B
Tail NumberN1408R
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-235-C2C · Reciprocating · 108
Seats2

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 33 · First Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility20 sm
CeilingNone
Temperature / Dew Point68 F / 52
Altimeter30.00 inHg
Observation Time23:46
Weather SourceWFAC

Appendix: Source Data