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NTSB Report
March 30, 2007 · Piper PA-22 · N968A
Enumclaw, WA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
March 30, 2007
Injury Outcomes
No injuries (1 uninjured)
Location
Enumclaw, WA
Aircraft
Piper PA-22
Tail Number
N968A
Operator
Judith Masura
Injuries
None
Aircraft Damage
Substantial
NTSB Number
SEA07CA086
While in cruise flight in ambient weather conditions under which the aircraft's carburetor was susceptible to icing (temperature 10 degres C, and dew point 7 degrees C), the engine began to lose power. Although the pilot switched fuel tanks, she did not apply carburetor heat, and eventually all engine power was lost. The pilot attempted a forced landing in a nearby field, but during the landing roll the aircraft encountered soft, muddy terrain, whereupon it rocked from side to side with sufficient amplitude to result in the wingtips coming in contact with the terrain. A post-accident inspection of the engine found no anomalies that would have kept the engine from running under non-icing conditions.
NTSB Probable Cause
The pilot's failure to apply carburetor heat during cruise flight. Factors include ambient weather conditions that were conducive to carburetor icing, and soft, muddy terrain at the location where the pilot attempted the power-off forced landing.
Full Narrative
While in cruise flight in ambient weather conditions under which the aircraft's carburetor was susceptible to icing (temperature 10 degrees C, and dew point 7 degrees C), the engine began to lose power. Although the pilot switched fuel tanks, she did not apply carburetor heat, and eventually all engine power was lost. The pilot attempted a forced landing in a nearby field, but during the landing roll the aircraft encountered soft, muddy terrain, whereupon it rocked from side to side with sufficient amplitude to result in the wingtips coming in contact with the terrain. A post-accident inspection of the engine found no anomalies that would have kept the engine from running under non-icing conditions.
Flight
Event TypeAccident
Event Time16:45 PDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft
AircraftPiper PA-22
Tail NumberN968A
Aircraft CategoryAir
DamageSubstantial
OperatorJudith Masura
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-290D · Reciprocating · 125
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 60 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind4 kt
Visibility10 sm
CeilingBroken clouds 3200 ft
Temperature / Dew Point50 / 45 C
Altimeter30.12 inHg
Observation Time23:53
Weather SourceWFAC