Thursday, July 6, 2017

Cessna 172M Skyhawk, N80328: Accident occurred July 02, 2017 at Guam International Airport / Antonio B. Won Pat International Airport (PGUM), Tamuning, Guam

Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf 

Analysis 

The pilot reported that the airplane approached the runway with a "steep angle [and] high descent rate." He added that the airplane "touched the ground before flaring" and that the airplane porpoised on the runway. Subsequently, the nosewheel tire popped, and the strut partially collapsed. The pilot reported that he stopped the airplane on the runway and radioed for assistance.

The firewall and fuselage sustained substantial damage.

The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. 

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's improper landing flare, which resulted in a porpoised landing. 

Findings

Aircraft 

Personnel issues
Aircraft control - Pilot (Cause)

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Honolulu

Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms

http://registry.faa.gov/N80328

NTSB Identification: GAA17CA394
14 CFR Part 91: General Aviation
Accident occurred Sunday, July 02, 2017 in Tamuning, GU
Aircraft: CESSNA 172, registration: N80328
Injuries: 2 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot reported that, the airplane approached the runway with a "steep angle [and] high descent rate." He added that the airplane "touched the ground before flaring" and the airplane porpoised on the runway. Subsequently, the nose wheel tire popped and strut partially collapsed. The pilot reported that he stopped the airplane on the runway and radioed for assistance.

The firewall and fuselage sustained substantial damage. 

The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

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