20150912017149A

Accident · Substantial damage

FAA accident report · Cessna 180H · Delta Junction, AK · September 12, 2015

Date
September 12, 2015 · 16:00 local
Place
Delta Junction, AK
Phase of flight
Landing: Touchdown
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N4763U
NTSB investigation
NTSBGAA15CA267
Reported as
Cessna 180H
People aboard
2
Fatal injuries
0
Other injuries
0
Pilot’s certificate
Commercial pilot
Pilot’s flight hours
495 total250 in this make and model20 in the last 90 days

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.

On approach, the wind shifted from calm to right quartering tailwind causing a loss of lift. The sink rate increased to a point that the desired point of touchdown could not be reached. Upon determination a go-around was required, power was added. This caused the aircraft to yaw due to p-factor. Insufficient rudder correction was applied which caused the airplane to make contact with the trees on the left side of the runway. This caused the aircraft to be pulled into the tree tops and the propeller to make contact. The propeller contacting the trees and the resulting degraded performance precluded a go-around.

As the aircraft began to settle onto a gravel bar in the river, the left gear leg made contact with a log which ripped it from the aircrafts structure.

As the FAA filed it

ON APPROACH, THE WIND SHIFTED FROM CALM TO RIGHT QUARTERING TAILWIND CAUSING A LOSS OF LIFT. THE SINK RATE INCREASED TO A POINT THAT THE DESIRED POINT OF TOUCHDOWN COULD NOT BE REACHED. UPON DETERMINATION A GO-AROUND WAS REQUIRED, POWER WAS ADDED. THIS CAUSED THE AIRCRAFT TO YAW DUE TO P-FACTOR. INSUFFICIENT RUDDER CORRECTION WAS APPLIED WHICH CAUSED THE AIRPLANE TO MAKE CONTACT WITH THE TREES ON THE LEFT SIDE OF THE RUNWAY. THIS CAUSED THE AIRCRAFT TO BE PULLED INTO THE TREE TOPS AND THE PROPELLER TO MAKE CONTACT. THE PROPELLER CONTACTING THE TREES AND THE RESULTING DEGRADED PERFORMANCE PRECLUDED A GO-AROUND.

AS THE AIRCRAFT BEGAN TO SETTLE ONTO A GRAVEL BAR IN THE RIVER, THE LEFT GEAR LEG MADE CONTACT WITH A LOG WHICH RIPPED IT FROM THE AIRCRAFTS STRUCTURE.

NTSB investigation

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

Other reports on N4763U · 2

Matched to the same aircraft by N-number and date.