Wednesday, December 18, 2019

Loss of Control on Ground: CubCrafters CCX-2000, N941DM; accident occurred July 04, 2019 at Casper/Natrona County International Airport (KCPR), Wyoming

View of airplane after ground loop with left wing damage.


Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Casper, Wyoming

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


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


https://registry.faa.gov/N941DM


Location: Casper, WY

Accident Number: GAA19CA394
Date & Time: 07/04/2019, 1430 MDT
Registration: N941DM
Aircraft: Merit Aviation Llc CCX-2000
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Personal 

Analysis

The pilot of the tailwheel-equipped airplane reported that, during landing with a tailwind, the airplane ground looped to the right. Both landing gear collapsed, and the left wing struck the ground.

The airplane sustained substantial damage to the left wing.

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

The airport's automated weather observation station reported that, about 37 minutes before the accident, the wind was variable at 4 knots. The same automated station reported that, about 23 minutes after the accident, the wind was from 170° at 6 knots. The pilot landed the airplane on runway 03. 

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 landing with a tailwind, which resulted in a ground loop.

Findings

Aircraft
Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Pilot (Cause)

Environmental issues
Tailwind - Effect on operation

Factual Information

History of Flight

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

Pilot Information

Certificate: Private
Age: 60, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 With Waivers/Limitations
Last FAA Medical Exam: 01/30/2019
Occupational Pilot: No
Last Flight Review or Equivalent: 06/07/2019
Flight Time:  (Estimated) 214 hours (Total, all aircraft), 21 hours (Total, this make and model), 144 hours (Pilot In Command, all aircraft), 35 hours (Last 90 days, all aircraft), 3 hours (Last 30 days, all aircraft)

Co-Pilot Information

Certificate: Airline Transport
Age: 60, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Rear
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 02/10/2019
Occupational Pilot: No
Last Flight Review or Equivalent: 02/04/2019
Flight Time:  (Estimated) 4000 hours (Total, all aircraft), 100 hours (Total, this make and model), 3000 hours (Pilot In Command, all aircraft), 110 hours (Last 90 days, all aircraft), 40 hours (Last 30 days, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: Merit Aviation Llc
Registration: N941DM
Model/Series: CCX-2000
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: CCX-2000-0036
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection:  Unknown
Certified Max Gross Wt.: 2000 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 100 Hours at time of accident
Engine Manufacturer: Aero Sport Power
ELT: Installed, not activated
Engine Model/Series: CC363i
Registered Owner: Merit Aviation Llc
Rated Power: 180 hp
Operator: Merit Aviation Llc
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KCPR, 5290 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1953 UTC
Direction from Accident Site: 315°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 4 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: Variable
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.03 inches Hg
Temperature/Dew Point: 25°C / 11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Hot Springs, SD (HSR)
Type of Flight Plan Filed: None
Destination: Casper, WY (CPR)
Type of Clearance: VFR
Departure Time: 1315 MDT
Type of Airspace: Class D

Airport Information

Airport: CASPER/NATRONA COUNTY INTL (CPR)
Runway Surface Type: Asphalt
Airport Elevation: 5344 ft
Runway Surface Condition: Dry
Runway Used: 03
IFR Approach: None
Runway Length/Width: 10165 ft / 150 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 42.896111, -106.471389 (est)

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