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NTSB Report
June 28, 2024 · Dehavilland-Kenmore DHC-2 · N590DB
Juneau, AK
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 28, 2024
Injury Outcomes
No injuries (2 uninjured)
Location
Juneau, AK
Aircraft
Dehavilland-Kenmore DHC-2 (1959)
Tail Number
N590DB
Operator
Lone Eagle Resorts
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC24LA057
The pilot reported after a normal takeoff in a float-equipped airplane, about treetop height, there was a loud bang and pulsing sensation, and the engine lost partial power. Unable to maintain altitude and return to the airport, the pilot performed a forced landing to the mud flats. The airplane sustained substantial damage to the elevator and horizontal stabilizer. Postaccident examination revealed the No. 9 cylinder was cracked. The last maintenance performed was about 90 hours before the accident, there were no anomalies noted at that time.
NTSB Probable Cause
Aircraft-Aircraft power plant-Engine (reciprocating)-Recip eng cyl section-Failure
Full Narrative
The pilot reported after a normal takeoff in a float-equipped airplane, about treetop height, there was a loud bang and pulsing sensation, and the engine lost partial power. Unable to maintain altitude and return to the airport, the pilot performed a forced landing to the mud flats. The airplane sustained substantial damage to the elevator and horizontal stabilizer. Postaccident examination revealed the No. 9 cylinder was cracked. The last maintenance performed was about 90 hours before the accident, there were no anomalies noted at that time.
Flight
Event TypeAccident
Event Time15:25 AKDT
Nearest AirportJuneau Intl (1.6nm N)
Runway08W/
Runway Length4800 ft
Runway Width150 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDehavilland-Kenmore DHC-2
Tail NumberN590DB
Aircraft CategoryAir
DamageSubstantial
OperatorLone Eagle Resorts
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsPratt & Whitney · R985-AN-14B · Reciprocating · 450
Seats8
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 10 · None
Crew 2Age 28 · First Class · None
Conditions
ConditionsVMC
LightDaylight
Wind230° @ 10 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point54 F
Altimeter29.89 inHg
Observation Time14:53
Weather SourceWFAC