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NTSB Report
April 13, 1990 · Cessna 172A · N7677T
Villa Rica, GA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
April 13, 1990
Injury Outcomes
No injuries (1 uninjured)
Location
Villa Rica, GA
Aircraft
Cessna 172A
Tail Number
N7677T
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ATL90LA096
AS THE PILOT ADVANCED THE THROTTLE DURING A GO AROUND ATTEMPT, THE ENGINE LOST POWER. THE AIRPLANE WAS FORCE LANDED STRAIGHT AHEAD AND NOSED OVER. AN INSPECTION OF THE AIRPLANE REVEALED THAT A WASP HAD BUILT A MUD NEST ON THE LEFT WING IN THE AREA OF THE FUEL TANK VENT OPENING. THE VENT LINE WAS FOUND TO BE OBSTRUCTED BY DIRT. ALSO, THE RIGHT FUEL TANK FILLER CAP WOULD NOT VENT PROPERLY WHEN TESTED. AN INSPECTION OF THE ENGINE DID NOT REVEAL ANY EVIDENCE OF PRE-EXISTING MALFUNCTION OR FAILURE.
NTSB Probable Cause
FUEL STARVATION TO THE ENGINE, INITIATED BY THE COMBINATION OF A BLOCKED FUEL TANK VENT LINE AND A MALFUNCTIONING FUEL FILLER CAP. A FACTOR IN THE ACCIDENT WAS THE PILOT'S INADEQUATE PREFLIGHT INSPECTION, IN THAT HE DID NOT DETECT THE FUEL VENT LINE BLOCKAGE.
Full Narrative
AS THE PILOT ADVANCED THE THROTTLE DURING A GO AROUND ATTEMPT, THE ENGINE LOST POWER. THE AIRPLANE WAS FORCE LANDED STRAIGHT AHEAD AND NOSED OVER. AN INSPECTION OF THE AIRPLANE REVEALED THAT A WASP HAD BUILT A MUD NEST ON THE LEFT WING IN THE AREA OF THE FUEL TANK VENT OPENING. THE VENT LINE WAS FOUND TO BE OBSTRUCTED BY DIRT. ALSO, THE RIGHT FUEL TANK FILLER CAP WOULD NOT VENT PROPERLY WHEN TESTED. AN INSPECTION OF THE ENGINE DID NOT REVEAL ANY EVIDENCE OF PRE-EXISTING MALFUNCTION OR FAILURE.
Flight
Event TypeAccident
Event Time20:00 EDT
Nearest AirportSTOCKMAR (0nm N)
Runway9
Runway Length5100 ft
Runway Width50 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172A
Tail NumberN7677T
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-300-C · Reciprocating · 145
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 28 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind340°
Visibility15 sm
CeilingNone
Temperature / Dew Point50 / 0 C
Altimeter30.00 inHg
Observation Time18:58
Weather SourcePILO