WPR11CA326

NTSB accident investigation · Maule M-7-235C · Tonasket, WA · July 11, 2011

Accident · Minor injuriesData collectionFinal report
Date
July 11, 2011, 14:50 local (21:50 UTC)
Place
Tonasket, WA
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N6YMMaule M-7-235C
Defining event
Landing-landing roll: Landing area overshoot
Weather
Visual (VMC) · Day
Status
Completed · report October 6, 2011
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20110711013899A
Case key
81108

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to achieve the proper touchdown point, which resulted in a landing overrun.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Wind: tailwindEnvironmental issues › Conditions/weather/phenomena · Effect on equipmentMaule M-7-235C: 2 casesAll aircraft: 594 cases
Runway/land/takeoff/taxi surfaceEnvironmental issues › Physical environment · Decision related to conditionMaule M-7-235C: 1 caseAll aircraft: 253 casesProbable cause
Performance/control parameters: descent/approach/glide pathAircraft › Aircraft oper/perf/capability · Not attained/maintainedMaule M-7-235C: 1 caseAll aircraft: 809 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that he was landing long on a grass airstrip near his home. During the landing roll, the wind shifted from a crosswind to a tailwind, which pushed the airplane down the last part of the runway. The pilot commented that he tried to intentionally ground loop the airplane before it went over an embankment at the end of the runway, but was unable to gain any authority over the airplane due to the wind. Subsequently, the airplane traveled 20 feet down a small embankment which bent the front fuselage of the airplane up into the cockpit area. The pilot reported no mechanical failures or malfunctions that would have precluded normal flight.

Factual narrative

The pilot reported that he was landing long on a grass airstrip near his home. During the landing roll the wind shifted from a crosswind to a tailwind, which pushed the airplane down the last part of the runway. The pilot commented that he tried to intentionally ground loop the airplane before it went over an embankment at the end of the runway, but was unable to gain any authority over the airplane due to the wind. Subsequently, the airplane traveled 20 feet down a small embankment which bent the front fuselage of the airplane up into the cockpit area. The pilot reported no mechanical failures or malfunctions that would have precluded normal flight.

Aircraft

Registration
N6YM
Reported as
Maule M-7-235C
Category
Airplane
Serial number
25048C
Airframe hours
353
Engine
Lycoming IO-540-W1A5, 235 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Dean Buzzard
Registered owner
Dean Buzzard
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 22, 2011 · 64 hours before
Departed
na · Loomis, WA
Destination
na · Tonasket, WA
Airport
NA · Private Grass Strip

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
61
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
July 30, 2010
Seat
Left
Flight hours
965 total · 195 in this make and model · 965 as pilot in command · 33 in the last 90 days · 11 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 45 °F
Altimeter
29.79 inHg
Observed at
KOMK, 10 nm away

Docket · 2

The files NTSB released with the investigation on August 17, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.5 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.