Sunday, May 05, 2019

Nose Over: Avid Aircraft Magnum, N833RD, accident occurred May 19, 2018 at Mineral Canyon Strip Airport (UT75), Moab, Utah

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

Aviation Accident Final Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Moab, UT
Accident Number: GAA18CA477
Date & Time: 05/19/2018, 1000 MDT
Registration: N833RD
Aircraft: Davidson, Ronald A. Avid
Aircraft Damage: Substantial
Defining Event: Nose over/nose down
Injuries: 1 Minor
Flight Conducted Under: Part 91: General Aviation - Personal 


The pilot in the tailwheel-equipped airplane reported that, during the landing roll on the dirt surface, he “pinned” the tailwheel on the ground and that he then applied aft stick to keep the tailwheel on the ground. However, he was concerned about the condition of the last third of the runway, and he chose to stop before it. He reported that he applied the brakes "a little harder than normal" and that the tail rose off the ground. He released his brake application, but the tail continued to rise, and the airplane nosed over.

The airplane sustained substantial damage to the vertical stabilizer and the rudder.

The pilot reported that there was still had about 1,000 ft of runway remaining but that he failed to recognize and correct for the momentum of the rising tail in a timely manner.

The pilot reported that there were no preaccident mechanical failures or malfunctions 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 excessive brake application and delayed remedial action, which resulted in a nose‑over.


Brake - Incorrect use/operation (Cause)

Personnel issues
Use of equip/system - Pilot (Cause)
Delayed action - Pilot (Cause)
Identification/recognition - Pilot

Factual Information

History of Flight

Landing-landing roll

Nose over/nose down (Defining event)

Pilot Information

Certificate: Commercial
Age: 44, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: Yes
Medical Certification: Class 2 Without Waivers/Limitations
Last FAA Medical Exam: 07/01/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 11/09/2016
Flight Time:  (Estimated) 1195.2 hours (Total, all aircraft), 87.7 hours (Total, this make and model), 926.9 hours (Pilot In Command, all aircraft), 21.4 hours (Last 90 days, all aircraft), 12.7 hours (Last 30 days, all aircraft), 8.6 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: Davidson, Ronald A.
Registration: N833RD
Model/Series: Avid Magnum
Aircraft Category: Airplane
Year of Manufacture: 2017
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: M76
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 04/12/2018, Condition
Certified Max Gross Wt.: 1750 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 217.1 Hours as of last inspection
Engine Manufacturer: Lycoming
ELT: Installed, not activated
Engine Model/Series: IO-360
Registered Owner: On file
Rated Power: 200 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: KCNY, 4560 ft msl
Distance from Accident Site: 17 Nautical Miles
Observation Time: 1553 UTC
Direction from Accident Site: 38°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Light and Variable /
Turbulence Type Forecast/Actual: /
Wind Direction: Variable
Turbulence Severity Forecast/Actual: /
Altimeter Setting: 29.95 inches Hg
Temperature/Dew Point: 19°C / 2°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Moab, UT (KCNY)
Type of Flight Plan Filed: None
Destination: Moab, UT (UT75)
Type of Clearance: None
Departure Time: 0900 MDT
Type of Airspace: Class G 

Airport Information

Airport: Mineral Canyon Strip (UT75)
Runway Surface Type: Dirt
Airport Elevation: 3900 ft
Runway Surface Condition: Dry
Runway Used: 14
IFR Approach: None
Runway Length/Width: 2000 ft / 40 ft
VFR Approach/Landing: Full Stop; Straight-in 

Wreckage and Impact Information

Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 Minor
Latitude, Longitude:  38.533333, -109.983333 (est)

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