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NTSB Report
December 3, 2012 · Beech F90 · N44PA
Knoxville, TN
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
December 3, 2012
Injury Outcomes
No injuries (2 uninjured)
Location
Knoxville, TN
Aircraft
Beech F90
Tail Number
N44PA
Operator
Grande Aviation
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ERA13CA081
At the conclusion of an evaluation flight, the left seat pilot taxied the airplane to the hangar area under the direction of the right seat pilot. After reaching the hangar area, the left seat pilot initiated a 180-degree turn in order to better position the airplane for postflight ground handling. During the turn, the right side of the horizontal stabilizer struck one of the hangar’s support beams, resulting in substantial damage to the horizontal and vertical stabilizers, as well as the empennage. Following the accident, the operator instituted a new policy, which stated that an external spotter should be used when maneuvering in the vicinity of obstacles.
NTSB Probable Cause
Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Copilot - C
Full Narrative
At the conclusion of an evaluation flight, the left seat pilot taxied the airplane to the hangar area under the direction of the right seat pilot. After reaching the hangar area, the left seat pilot initiated a 180-degree turn in order to better position the airplane for post-flight ground handling. During the turn, the right side of the horizontal stabilizer struck one of the hangar’s support beams, resulting in substantial damage to the horizontal and vertical stabilizers, as well as the empennage. Following the accident, the operator instituted a new policy dictating that they will utilize the aid of an external spotter when maneuvering in the vicinity of obstacles.
Flight
Event TypeAccident
Event Time15:50 EST
Nearest AirportMcghee Tyson Airport (0nm)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech F90
Tail NumberN44PA
Aircraft CategoryAir
DamageSubstantial
OperatorGrande Aviation
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsPratt And Whitney Canada · PT6A-135 · Turboprop · 750 | U/A Canada · PT6A SERIES · Turboprop · 715
Seats8
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 42 · First Class · None
Crew 2Age 33 · First Class · None
Conditions
ConditionsVMC
LightDaylight
Wind240° @ 6 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point48
Altimeter30.20 inHg
Observation Time19:53
Weather SourceWFAC