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NTSB Report
February 22, 1992 · Cessna 150 · N7896E
Clarksville, AR
Overview
Report Status
Probable Cause
Event Type
Accident
Date
February 22, 1992
Injury Outcomes
2 injuries (2 serious injuries)
Location
Clarksville, AR
Aircraft
Cessna 150
Tail Number
N7896E
Operator
Graff Kenneth
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
FTW92FA073
DURING AN AERIAL PHOTOGRAPHY FLIGHT THE PILOT DID NOT MAINTAIN THE FLYING AIRSPEED WHILE MANEUVERING. THE PILOT STATED THAT HE DID NOT HEAR THE STALL WARNING INDICATOR AND BELIEVED THAT IT WAS NOT WORKING OR NOT INSTALLED. AS THE LEFT WING DROPPED AND THE NOSE FELL, THE PILOT AND PASSENGER GOT THE FLAPS UP AND AS THE AIRPLANE GOT ENOUGH SPEED THE PILOT STATED THAT HE PULLED THE YOKE FULL BACK AND THE AIRPLANE WAS STARTING TO CLIMB WHEN THE NOSE IMPACTED THE TREE. THE AIRPLANE DESCENDED UNCONTROLLED TO THE GROUND. THE OPERATOR DID NOT CONDUCT A CHECKFLIGHT OF THE PILOT. BOARD INVESTIGATION REVEALED THE STALL WARNING SYSTEM WAS INSTALLED AND CAPABLE OF FUNCTIONING. AN ENGINE TEST RUN DID NOT REVEAL ANY ANOMALIES.
NTSB Probable Cause
THE PILOTS INADVERTENT STALL. A FACTOR WAS THE OPERATOR'S INADEQUATE SUPERVISION.
Full Narrative
DURING AN AERIAL PHOTOGRAPHY FLIGHT THE PILOT DID NOT MAINTAIN THE FLYING AIRSPEED WHILE MANEUVERING. THE PILOT STATED THAT HE DID NOT HEAR THE STALL WARNING INDICATOR AND BELIEVED THAT IT WAS NOT WORKING OR NOT INSTALLED. AS THE LEFT WING DROPPED AND THE NOSE FELL, THE PILOT AND PASSENGER GOT THE FLAPS UP AND AS THE AIRPLANE GOT ENOUGH SPEED THE PILOT STATED THAT HE PULLED THE YOKE FULL BACK AND THE AIRPLANE WAS STARTING TO CLIMB WHEN THE NOSE IMPACTED THE TREE. THE AIRPLANE DESCENDED UNCONTROLLED TO THE GROUND. THE OPERATOR DID NOT CONDUCT A CHECKFLIGHT OF THE PILOT. BOARD INVESTIGATION REVEALED THE STALL WARNING SYSTEM WAS INSTALLED AND CAPABLE OF FUNCTIONING. AN ENGINE TEST RUN DID NOT REVEAL ANY ANOMALIES.
Flight
Event TypeAccident
Event Time15:30 CST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 150
Tail NumberN7896E
Aircraft CategoryAir
DamageSubstantial
OperatorGraff Kenneth
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-200-A · Reciprocating · 100
Seats2
People & Injuries
Injury Summary2 injuries (2 serious injuries)
Fatal0
Serious2
Minor0
Uninjured0
Total2
Crew 1Age 43 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind100° @ 9 kt
Visibility15 sm
CeilingOvercast 25000 ft
Temperature / Dew Point68 F / 52
Altimeter29.00 inHg
Observation Time21:50
Weather SourceWFAC