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NTSB Report
July 19, 2021 · Dehavilland DHC-2 MK 1 · N68080
King Salmon, AK
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 19, 2021
Injury Outcomes
No injuries (2 uninjured)
Location
King Salmon, AK
Aircraft
Dehavilland DHC-2 MK 1 (1954)
Tail Number
N68080
Operator
Branch River Air Service
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC21LA062
The pilot reported that while in a climb, approaching a mountain pass, he “felt” that the floatplane was not climbing sufficiently to safely clear the terrain. He extended the flaps and initiated a turn to the right, and “feeling a stall and loss of control imminent”, he applied full power. Subsequently, the floatplane stalled and impacted the ground sustaining substantial damage to the wings, fuselage, and empennage. The pilot reported no preimpact mechanical failures or malfunctions with the floatplane that would have precluded normal operation.
NTSB Probable Cause
The pilot’s exceedance of the floatplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent loss of control.
Full Narrative
The pilot reported that while in a climb, approaching a mountain pass, he “felt” that the floatplane was not climbing sufficiently to safely clear the terrain. He extended the flaps and initiated a turn to the right, and “feeling a stall and loss of control imminent”, he applied full power. Subsequently, the floatplane stalled and impacted the ground sustaining substantial damage to the wings, fuselage, and empennage. The pilot reported no preimpact mechanical failures or malfunctions with the floatplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time11:45 AKDT
Nearest Airport0nm
Flight Plan FiledCvfr
Flight Plan ActivatedYes
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDehavilland DHC-2 MK 1
Tail NumberN68080
Aircraft CategoryAir
DamageSubstantial
OperatorBranch River Air Service
Operating RulePart 135
Engines1
Engine TypeReciprocating
Engine DetailsP & W · R-985-AN-14B · Reciprocating · 450
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 58 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 6 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point66 F / 59 F
Altimeter30.04 inHg
Observation Time11:54
Weather SourceWFAC