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NTSB Report
June 24, 2007 · Cessna 170A · N1316D
Bozeman, MT
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
June 24, 2007
Injury Outcomes
1 injury (1 serious injury), 2 uninjured
Location
Bozeman, MT
Aircraft
Cessna 170A
Tail Number
N1316D
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
SEA07CA179
The pilot reported that he was flying the airplane over a family member's ranch in a low-altitude, slow flight configuration. He proceeded northbound attempting to regain airspeed when he noticed transmission lines that had previously been visually obstructed to him by the sun. The pilot pulled back on the control yoke attempting to avoid the lines, but the airplane stalled and descended uncontrolled to the ground. The pilot stated that there were no mechanical abnormalities to preclude normal operation of the airplane prior to the accident.
NTSB Probable Cause
The pilot's inadequate visual lookout and failure to maintain airspeed, which resulted in an inadvertent stall and uncontrolled descent into terrain while manuevering to avoid the transmission lines. The sun glare was a factor.
Full Narrative
The pilot reported that he was flying the airplane over a family member's ranch in a low-altitude, slow flight configuration. He proceeded northbound attempting to regain airspeed when he noticed transmission lines that had previously been visually obstructed to him by the sun. The pilot pulled back on the control yoke attempting to avoid the lines, but the airplane stalled and descended uncontrolled to the ground. The pilot stated that there were no mechanical abnormalities to preclude normal operation of the airplane prior to the accident.
Flight
Event TypeAccident
Event Time12:01 MDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft
AircraftCessna 170A
Tail NumberN1316D
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsTeledyne Continental · C145 · Reciprocating
People & Injuries
Injury Summary1 injury (1 serious injury), 2 uninjured
Fatal0
Serious1
Minor0
Uninjured2
Total3
Crew 1Age 66 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind350° @ 4 kt
CeilingNone
Temperature / Dew Point50
Altimeter29.84 inHg
Observation Time17:56