Sunday, May 5, 2019

Loss of Control on Ground: Piper PA-18-150 Super Cub, N104CC; accident occurred August 09, 2018 at Raton Municipal Airport (KRTN), Colfax County, New Mexico

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Albuquerque, New Mexico

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/N104CC


Location: Raton, NM
Accident Number: GAA18CA480
Date & Time: 08/09/2018, 1125 MDT
Registration: N104CC
Aircraft: PIPER PA18
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Other Work Use 

Analysis 

The pilot in the tailwheel-equipped airplane reported that, during the wheel landing in gusting wind conditions, the right main landing gear (MLG) touched down on the runway followed by the left MLG. During the landing roll, the airplane encountered a wind gust from the left. The airplane ground looped to the left, and the pilot applied full right rudder and brakes. However, the airplane exited the left side of the runway, and its right wing struck the ground.

The airplane sustained substantial damage to the right wing, the right aileron, and the right elevator.  

The pilot reported that the airport's windsocks indicated a 5- to 10-knot "right quartering headwind."

The METAR located at the airport reported that, about the time of the accident, the wind was from 210° at 5 knots. The airplane landed on runway 25.

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 loss of directional control during the landing roll.

Findings

Aircraft
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Factual Information

History of Flight

Landing-landing roll
Abnormal runway contact
Other weather encounter
Loss of control on ground (Defining event)
Attempted remediation/recovery
Runway excursion
Collision with terr/obj (non-CFIT)

Pilot Information

Certificate: Flight Instructor; Commercial
Age: 61, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 4-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: Yes
Medical Certification: Class 2 Waiver Time Limited Special
Last FAA Medical Exam: 12/19/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent: 11/09/2017
Flight Time:  (Estimated) 5692 hours (Total, all aircraft), 38 hours (Total, this make and model), 3905 hours (Pilot In Command, all aircraft), 64 hours (Last 90 days, all aircraft), 23 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: PIPER
Registration: N104CC
Model/Series: PA18 150
Aircraft Category: Airplane
Year of Manufacture: 2002
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 9947CC
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 04/16/2018, Annual
Certified Max Gross Wt.: 2000 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 9579.2 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: Installed, not activated
Engine Model/Series: O360-C4P
Registered Owner: Doss Aviation Inc
Rated Power: 180 hp
Operator: Doss Aviation Inc
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KRTN, 6349 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1753 UTC
Direction from Accident Site: 190°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 5 knots /
Turbulence Type Forecast/Actual: /
Wind Direction: 210°
Turbulence Severity Forecast/Actual: /
Altimeter Setting: 30.33 inches Hg
Temperature/Dew Point: 24°C / 13°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Rotan, NM (RTN)
Type of Flight Plan Filed: None
Destination: Rotan, NM (RTN)
Type of Clearance: None
Departure Time: 1038 MDT
Type of Airspace: Class G

Airport Information

Airport: Raton Muni/Crews Field (RTN)
Runway Surface Type: Asphalt
Airport Elevation: 6352 ft
Runway Surface Condition: Dry
Runway Used: 25
IFR Approach: None
Runway Length/Width: 4425 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: 36.742500, -104.501667 (est)

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