Friday, September 07, 2018

Cessna 172E Skyhawk, N3835S: Accident occurred September 01, 2018 in Karluk, Alaska

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Anchorage, Alaska

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


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


Aviation Accident Data Summary - National Transportation Safety Board: https://app.ntsb.gov/pdf 
 
https://registry.faa.gov/N3835S


Location: Karluk, AK
Accident Number: GAA18CA526
Date & Time: 09/01/2018, 1410 AKD
Registration: N3835S
Aircraft: Cessna 172
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 

Analysis 

The pilot reported that, while landing on a beach, as he "relaxed" the back pressure on the yoke, the airplane ground looped, the right wing struck the ground, and then the left wing struck the ground.

The airplane sustained substantial damage to both wings and the fuselage.

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

The pilot added that, after examining the tracks in the sand, it was obvious that he had failed to hold back pressure on the yoke during the landing roll to maintain a proper soft-field technique.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be: 
The pilot's failure to maintain proper pitch for a soft-field landing, which resulted in a loss of airplane control.

Findings

Aircraft
Pitch control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Soft surface - Response/compensation

Factual Information

History of Flight

Landing
Loss of control on ground (Defining event)
Collision with terr/obj (non-CFIT)

Pilot Information

Certificate: Private
Age: 38, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 01/17/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 05/19/2018
Flight Time:  (Estimated) 116 hours (Total, all aircraft), 112 hours (Total, this make and model), 55 hours (Pilot In Command, all aircraft), 12 hours (Last 90 days, all aircraft), 8 hours (Last 30 days, all aircraft), 3 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cessna
Registration: N3835S
Model/Series: 172 E
Aircraft Category: Airplane
Year of Manufacture: 1963
Amateur Built: No
Airworthiness Certificate: Normal; Utility
Serial Number: 17251035
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 07/05/2018, Annual
Certified Max Gross Wt.: 2300 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 2722 Hours as of last inspection
Engine Manufacturer: Continental
ELT: C126 installed, not activated
Engine Model/Series: O-300-D
Registered Owner: On file
Rated Power: 145 hp
Operator: On file
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PAKH, 43 ft msl
Distance from Accident Site: 69 Nautical Miles
Observation Time: 2256 UTC
Direction from Accident Site: 157°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 15 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 290°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.09 inches Hg
Temperature/Dew Point: 14°C / 8°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: King Salmon, AK (AKN)
Type of Flight Plan Filed: None
Destination: Karluk, AK
Type of Clearance: None
Departure Time: 1145 AKD
Type of Airspace: Class G

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 57.997222, -154.996389 (est)

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