Saturday, June 01, 2019

Loss of Control on Ground: Cessna 180H Skywagon, N67WW, accident occurred June 03, 2018 at Kanab Municipal Airport (KKNB), Kane County, Utah

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Salt Lake City, Utah

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


http://registry.faa.gov/N67WW


Location: Kanab, UT
Accident Number: GAA18CA337
Date & Time: 06/03/2018, 1035 MDT
Registration: N67WW
Aircraft: CESSNA 180
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal

Analysis 

According to the pilot of the tailwheel-equipped airplane, he performed a wheel landing. During the landing roll, the airplane veered left when the tailwheel touched down on the runway. The airplane exited the left side of the runway about 15 knots and impacted bushes and then subsequently nosed over.

The airplane sustained substantial damage to the fuselage, both wings, the vertical stabilizer, and the rudder.

The pilot reported that there were no 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 failure to maintain directional control during the landing roll.

Findings

Aircraft
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Object/animal/substance - Contributed to outcome

Factual Information

History of Flight

Landing-landing roll
Loss of control on ground (Defining event)
Runway excursion
Nose over/nose down

Landing
Collision with terr/obj (non-CFIT) 

Pilot Information

Certificate: Private
Age: 74, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 09/06/2017
Occupational Pilot: No
Last Flight Review or Equivalent: 09/14/2017
Flight Time:   (Estimated) 5000 hours (Total, all aircraft), 600 hours (Total, this make and model), 4880 hours (Pilot In Command, all aircraft), 50 hours (Last 90 days, all aircraft), 40 hours (Last 30 days, all aircraft), 4 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: CESSNA
Registration: N67WW
Model/Series: 180 H
Aircraft Category: Airplane
Year of Manufacture: 1966
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 18051812
Landing Gear Type: Tailwheel
Seats: 4
Date/Type of Last Inspection: 04/23/2018, Annual
Certified Max Gross Wt.: 2800 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 4360 Hours as of last inspection
Engine Manufacturer: CONT MOTOR
ELT:
Engine Model/Series: O-470
Registered Owner: On file
Rated Power: 230 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: KKNB, 4868 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1735 UTC
Direction from Accident Site: 35°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: / None
Wind Direction:
Turbulence Severity Forecast/Actual: / N/A
Altimeter Setting: 30.11 inches Hg
Temperature/Dew Point: 31°C / -3°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Mack, CO (10CO)
Type of Flight Plan Filed: None
Destination: Kanab, UT (KNB)
Type of Clearance: VFR Flight Following
Departure Time: 0830 MST
Type of Airspace: Class G

Airport Information

Airport: KANAB MUNI (KNB)
Runway Surface Type: Asphalt
Airport Elevation: 4867 ft
Runway Surface Condition: Dry
Runway Used: 01
IFR Approach: None
Runway Length/Width: 6200 ft / 75 ft
VFR Approach/Landing: Full Stop; Traffic Pattern

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:  37.010556, -112.531389 (est)

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