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NTSB Report
May 8, 1990 · Air Tractor AT-400 · N2369N
Tyrone, PA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
May 8, 1990
Injury Outcomes
1 injury (1 serious injury)
Location
Tyrone, PA
Aircraft
Air Tractor AT-400
Tail Number
N2369N
Operator
Aero Tech
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
NYC90DGM01
THE PILOT STATED THAT HE MADE TWO UNEVENTFUL AERIAL APPLICATION PASSES IN A VALLEY AREA WITHOUT OBSERVING ANY OBSTRUCTIONS. ON THE THIRD PASS, THE AIRPLANE STRUCK POWERLINES THAT HAD BEEN STRUNG FROM RIDGETOP TO RIDGETOP. THE AIRCRAFT THEN DESCENDED INTO A WOODED HILLSIDE AND ERUPTED WITH FIRE AFTER IMPACT. THE PILOT STATED THAT HE HAD OVERFLOWN THE AREA LOOKING FOR OBSTACLES PRIOR TO BEGINNING THE AERIAL APPLICATION OPERATION. HE REPORTED THAT HE NEVER SAW THE POWERLINES BEFORE THE AIRPLANE HIT THEM.
NTSB Probable Cause
THE PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE FROM OBSTRUCTIONS DURING LOW LEVEL AERIAL APPLICATION OPERATIONS. THE PILOT'S INADEQUATE VISUAL LOOKOUT WAS A FACTOR.
Full Narrative
THE PILOT STATED THAT HE MADE TWO UNEVENTFUL AERIAL APPLICATION PASSES IN A VALLEY AREA WITHOUT OBSERVING ANY OBSTRUCTIONS. ON THE THIRD PASS, THE AIRPLANE STRUCK POWERLINES THAT HAD BEEN STRUNG FROM RIDGETOP TO RIDGETOP. THE AIRCRAFT THEN DESCENDED INTO A WOODED HILLSIDE AND ERUPTED WITH FIRE AFTER IMPACT. THE PILOT STATED THAT HE HAD OVERFLOWN THE AREA LOOKING FOR OBSTACLES PRIOR TO BEGINNING THE AERIAL APPLICATION OPERATION. HE REPORTED THAT HE NEVER SAW THE POWERLINES BEFORE THE AIRPLANE HIT THEM.
Flight
Event TypeAccident
Event Time06:35 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireGrd
Aircraft ExplosionGrd
Aircraft
AircraftAir Tractor AT-400
Tail NumberN2369N
Aircraft CategoryAir
DamageDestroyed
OperatorAero Tech
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsP&W · PT6-15AG · Turboprop · 680
Seats1
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 32 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind200° @ 5 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point57 / 43 C
Altimeter30.00 inHg
Weather SourceWIT