DEN05LA115

NTSB accident investigation · Hepperlen RV-8 · Durango, CO · May 21, 2005

Accident · No injuriesLimited investigationFinal report
Date
May 21, 2005, 08:30 local (14:30 UTC)
Place
Durango, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N25MHHepperlen RV-8
Weather
Visual (VMC) · Day
Status
Completed · report October 27, 2005
Report
Approved by Office Director
Parties
FAA Flight Standards District Office
FAA report
20050521016029A
Case key
62040

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 maintain directional control during the ground roll.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterTakeoff - roll/run
Directional control - not maintainedPilot in commandCause
Fluid,hydraulic - other
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - ground

Analysis

The pilot had serviced the airplane brakes prior to departure. He stated that during the departure roll, his left foot slipped off of the rudder pedal, possibly due to hydraulic fluid on the floor. The pilot stated that he attempted to put his foot back on the rudder pedal; however, the "bottom of the instrument panel" contacted his thigh and prevented him from doing so. He reduced the power; however, the airplane departed the runway to the right and impacted a hill causing substantial damage.

Factual narrative

On May 21, 2005, approximately 0830 mountain daylight time, a Hepperlen RV-8, N25MH, piloted by an airline transport pilot, was substantially damaged when it impacted terrain while departing Animas Airpark, Durango, Colorado. Visual meteorological conditions prevailed at the time of the accident. The personal flight was being conducted under the provisions of Title 14 CFR Part 91 without a flight plan. The pilot reported no injuries. The cross-country flight was originating at the time of the accident and was en route to Beatrice (BIE), Nebraska.

The pilot notified the National Transportation Safety Board of this accident on July 21, 2005. According to the accident report form submitted by the pilot, he had serviced the airplane brakes prior to departure. He stated that during the departure roll, his left foot slipped off of the rudder pedal, possibly due to hydraulic fluid on the floor. The pilot stated that he attempted to put his foot back on the rudder pedal; however, the "bottom of the instrument panel" contacted his thigh and prevented him from doing so. He reduced the power and the airplane departed the runway to the right impacting a hill. He stated that the left landing gear assembly was bent aft and had pushed the gearbox housing into the fuselage. The left side of the fuselage was wrinkled. The pilot reported no anomalies with any of the airplane systems.

Aircraft

Registration
N25MH
Reported as
Hepperlen RV-8
Category
Airplane, amateur-built
Serial number
80540
Airframe hours
65
Engine
Lycoming O-360-A1A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · October 1, 2004 · 65 hours before
Departed
00V · Durango, CO
Destination
BIE · Beatrice, NE
Airport
00C · Animas Air Park, runway 19, 5,010 × 50 ft, asphalt

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
70
Injuries
None
Certificates
Airline transport, Flight engineer
Airplane ratings
Single-engine land, Multi-engine land
Medical
Class 3, With waivers/limitations
Last flight review
May 1, 2005
Seat
Front
Flight hours
16,086 total · 65 in this make and model · 15,689 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 37 °F
Altimeter
29.97 inHg
Observed at
DRO, 6 nm away

FAA reports on this event · 1

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