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NTSB Report

August 10, 2023 · Cessna 180J · N42610

Chaka Creek, AK

Overview

Report Status
Probable Cause
Event Type
Accident
Date
August 10, 2023
Injury Outcomes
No injuries (2 uninjured)
Location
Chaka Creek, AK
Aircraft
Cessna 180J
Tail Number
N42610
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC23LA062

The pilot and passenger were performing a high pass over a remote airstrip to ensure the surface was suitable for landing. About ½ down the 850 ft airstrip, the pilot initiated a go-around with the throttle, mixture, and propeller controls in the full forward position and then realized the engine was not producing full power. With rising terrain ahead and the airspeed near the stall speed, the pilot elected to attempt a forced landing on the remaining airstrip. During the forced landing, the right main landing gear impacted brush, and the airplane spun about 120° and came to rest upright. Postaccident examination of the airplane revealed substantial damage to the left horizontal stabilizer and right wing. The pilot stated that the engine likely experienced carburetor icing during the approach and attempted go-around. The pilot reported no preimpact mechanical failures with the airplane that would have precluded normal operation. Based on the pilot’s report of the temperature and dew point at the time of the accident, the airplane was operating in conditions conducive to the formation of serious icing (at cruise power). The pilot reported he did not apply the carburetor heat when the engine began to lose power due to the low altitude and airspeed during the attempted go-around maneuver. It is likely the engine sustained a partial loss of engine power due to the formation of carburetor ice.

NTSB Probable Cause

A partial loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.

Full Narrative

The pilot and passenger were performing a high pass over a remote airstrip to ensure the surface was suitable for landing. About ½ down the 850 ft airstrip, the pilot initiated a go-around with the throttle, mixture, and propeller controls in the full forward position and then realized the engine was not producing full power. With rising terrain ahead and the airspeed near the stall speed, the pilot elected to attempt a forced landing on the remaining airstrip. During the forced landing, the right main landing gear impacted brush, and the airplane spun about 120° and came to rest upright. Postaccident examination of the airplane revealed substantial damage to the left horizontal stabilizer and right wing. The pilot stated that the engine likely experienced carburetor icing during the approach and attempted go-around. The pilot reported no preimpact mechanical failures with the airplane that would have precluded normal operation. Based on the pilot’s report of the temperature and dew point at the time of the accident, the airplane was operating in conditions conducive to the formation of serious icing (at cruise power). The pilot reported he did not apply the carburetor heat when the engine began to lose power due to the low altitude and airspeed during the attempted go-around maneuver. It is likely the engine sustained a partial loss of engine power due to the formation of carburetor ice.

Flight

Event TypeAccident
Event Time12:10 AKDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 180J
Tail NumberN42610
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-470-R-50 · Reciprocating · 275
Seats6

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 47 · First Class · None

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility10 sm
CeilingBroken clouds 6000 ft
Temperature / Dew Point53 / 51
Altimeter29.64 inHg
Observation Time12:10
Weather SourcePILO

Appendix: Source Data