Thursday, July 08, 2021

Abnormal Runway Contact: Cassutt, N8277S; accident occurred July 07, 2021 at Mid-America Industrial Airport (H71), Pryor, Mayes County, Oklahoma

Aviation Accident Final Report - National Transportation Safety Board

The National Transportation Safety Board did not travel to the scene of this accident. 

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Oklahoma City, Oklahoma

Investigation Docket - National Transportation Safety Board:
Location: Pryor, Oklahoma
Accident Number: CEN21LA311
Date and Time: July 7, 2021, 07:22 Local 
Registration: N8277S
Aircraft Damage: Substantial
Defining Event: Abnormal runway contact 
Injuries: 1 Minor
Flight Conducted Under: Part 91: General aviation - Personal


The pilot reported that while landing the tailwheel-equipped airplane, he flared high, and the airplane landed hard. The airplane subsequently veered off the right side of the runway, nosed over, and came to rest inverted. 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 pilot reported he should have added power and performed a go around.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot’s high flare and failure to execute a go-around which resulted in a hard landing and runway excursion.


Personnel issues Aircraft control - Pilot
Aircraft Landing flare - Incorrect use/operation
Personnel issues Decision making/judgment - Pilot

Factual Information

History of Flight

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

Pilot Information

Certificate: Private 
Age: 73, Male
Airplane Rating(s): Single-engine land
Seat Occupied: Single
Other Aircraft Rating(s): None 
Restraint Used: 5-point
Instrument Rating(s): None 
Second Pilot Present: No
Instructor Rating(s): None 
Toxicology Performed:
Medical Certification: Class 3 Without waivers/limitations
Last FAA Medical Exam: March 5, 2021
Occupational Pilot: No 
Last Flight Review or Equivalent: November 15, 2019
Flight Time: 2164 hours (Total, all aircraft), 370 hours (Total, this make and model), 2118 hours (Pilot In Command, all aircraft), 7 hours (Last 90 days, all aircraft), 1 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Registration: N8277S
Model/Series: CASSUTT
Aircraft Category: Airplane
Year of Manufacture: 1999 
Amateur Built: Yes
Airworthiness Certificate: Experimental (Special) 
Serial Number: 02
Landing Gear Type: Tailwheel
Seats: 1
Date/Type of Last Inspection: July 4, 2021 Condition 
Certified Max Gross Wt.:
Time Since Last Inspection: 1 Hrs 
Engines: 1 Reciprocating
Airframe Total Time: 369 Hrs at time of accident 
Engine Manufacturer: Lycoming
ELT: Not installed
Engine Model/Series: O-235-C1
Registered Owner: 
Rated Power: 115 Horsepower
Operating Certificate(s) Held: None

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual (VMC) 
Condition of Light: Day
Observation Facility, Elevation: KGCM, 725 ft msl
Distance from Accident Site: 8 Nautical Miles
Observation Time: 07:15 Local
Direction from Accident Site: 300°
Lowest Cloud Condition: Clear 
Visibility 5 miles
Lowest Ceiling: None 
Visibility (RVR):
Wind Speed/Gusts: / 
Turbulence Type Forecast/Actual: None / None
Wind Direction: 
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.98 inches Hg 
Temperature/Dew Point: 21°C / 20°C
Precipitation and Obscuration: Moderate - None - Mist
Departure Point: Pryor, OK (H71)
Type of Flight Plan Filed: None
Destination: Pryor, OK
Type of Clearance: None
Departure Time: 06:30 Local 
Type of Airspace: Class G

Airport Information

Runway Surface Type: Asphalt
Airport Elevation: 622 ft msl 
Runway Surface Condition: Dry
Runway Used: 18/36
IFR Approach: None
Runway Length/Width: 4992 ft / 72 ft
VFR Approach/Landing: Full stop

Wreckage and Impact Information

Crew Injuries: 1 Minor 
Aircraft Damage: Substantial
Passenger Injuries:
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 1 Minor 
Latitude, Longitude: 36.225389,-95.330056 (est)

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