20200922012459A

Accident · Substantial damage

FAA accident report · Cessna 170B · Big Lake, AK · September 22, 2020

Date: September 22, 2020 · 19:00 local
Place: Big Lake, AK
Airport: Big Lake Airport
Phase of flight: Landing: Approach
Operating rules: General operating rules (Part 91)
Damage: Substantial damage
Aircraft: N4380B
NTSB investigation: NTSBANC20LA099
Reported as: Cessna 170B
People aboard: 1
Fatal injuries: 0
Other injuries: 0
Pilot’s certificates: Airline transport, flight instructor
Pilot’s flight hours: 8,839 total297 in this make and model5 in the last 90 days

N4380BRegistered now · Cessna 170BS/N 26724 Airframe modelCessna 170B Engine modelContinental 0-300 seriesReciprocating

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Pilot was landing on a gravel bar on the big susitna river. While on short final at 20 ft. elevation the aircraft loss power. The aircraft touched down short of the gravel bar in the water and the aircraft rolled over upside down.

Weather was high overcast , with no precipitation.

As the FAA filed it

PILOT WAS LANDING ON A GRAVEL BAR ON THE BIG SUSITNA RIVER. WHILE ON SHORT FINAL AT 20 FT. ELEVATION THE AIRCRAFT LOSS POWER. THE AIRCRAFT TOUCHED DOWN SHORT OF THE GRAVEL BAR IN THE WATER AND THE AIRCRAFT ROLLED OVER UPSIDE DOWN.

WEATHER WAS HIGH OVERCAST , WITH NO PRECIPITATION.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB ANC20LA099Accident · No injuriesClass 3 · LimitedFinal reportBig Lake, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive to carburetor icing, which resulted in a total loss of engine power.Sep 23, 2020 · Substantial damage