Monday, January 25, 2021

Runway Excursion: Mooney M20E, N3440X; accident occurred July 04, 2020 at Brennand Airport (79C), Neenah, Winnebago County, Wisconsin

Aviation Accident Final Report - National Transportation Safety Board

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Milwaukee, Wisconsin

Investigation Docket - National Transportation Safety Board: 

Location: Neenah, WI
Accident Number: WPR20CA208
Date & Time: 07/04/2020, 2230 CDT
Registration: N3440X
Aircraft: Mooney M20E
Aircraft Damage: Substantial
Defining Event: Runway excursion
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Personal 


During a landing at night, the airplane floated, bounced twice, and landed hard past the pilot's designated landing abort point. The pilot applied brakes, but the airplane overran the runway and slid to a stop upright on a road. The airplane sustained substantial damage to the engine mounts and fuselage. 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 improper landing flare, which resulted in a bounced, hard landing and subsequent runway overrun.


Aircraft Landing flare - Not attained/maintained
Personnel issues Aircraft control - Pilot

Factual Information

History of Flight

Landing-flare/touchdown Landing area overshoot
Landing-flare/touchdown Hard landing
Landing-landing roll Runway excursion (Defining event)
Landing-landing roll Collision with terr/obj (non-CFIT)

Pilot Information

Certificate: Private
Age: 34, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed:No 
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 10/01/2018
Occupational Pilot: No
Last Flight Review or Equivalent: 06/16/2020
Flight Time: (Estimated) 170 hours (Total, all aircraft), 39 hours (Total, this make and model), 91 hours (Pilot In Command, all aircraft), 41 hours (Last 90 days, all aircraft), 33 hours (Last 30 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Mooney 
Registration: N3440X
Model/Series: M20E No Series
Aircraft Category: Airplane
Year of Manufacture: 1966
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 1130
Landing Gear Type: Retractable - Tricycle
Seats: 4
Date/Type of Last Inspection: 03/30/2020, Annual
Certified Max Gross Wt.: 2575 lbs
Time Since Last Inspection: 46 Hours
Engines: 1 Reciprocating
Airframe Total Time: 3957.3 Hours as of last inspection
Engine Manufacturer:Lycoming 
ELT: C126 installed, activated, aided in locating accident
Engine Model/Series: IO-360-A1A
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: Night
Observation Facility, Elevation: KATW, 917 ft msl
Distance from Accident Site: 7 Nautical Miles
Observation Time: 2230 CDT
Direction from Accident Site: 16°
Lowest Cloud Condition: Scattered / 12000 ft agl
Visibility: 10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: None / None
Wind Direction:
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.99 inches Hg
Temperature/Dew Point: 26°C / 16°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Appleton, WI (ATW)
Type of Flight Plan Filed: None
Destination: Neenah, WI (79C)
Type of Clearance: VFR
Departure Time: 2130 CDT
Type of Airspace: Class G

Airport Information

Airport: Brennand (79C)
Runway Surface Type: Asphalt
Airport Elevation: 850 ft
Runway Surface Condition: Dry
Runway Used: 18
IFR Approach: None
Runway Length/Width: 2450 ft / 20 ft
VFR Approach/Landing: Straight-in

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: 44.160000, -88.559444 (est)

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