ANC02LA111

NTSB accident investigation · Cessna 185E · Sparrevohn, AK · September 1, 2002

Accident · No injuriesLimited investigationFinal report
Date
August 31, 2002, 19:30 local (Sep 1, 2002, 03:30 UTC)
Place
Sparrevohn, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7SRCessna 185E
Weather
Visual (VMC) · Day
Status
Completed · report April 18, 2003
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA-AL-ANC FSDO 03
FAA report
20020831023419A
Case key
55630

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 selection of unsuitable terrain for landing that resulted in separation of the right main gear during the landing roll. A factor in the accident was a rough/uneven gravel bar.

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.

On ground/water encounter with terrain/waterLanding - roll
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in commandCause
Terrain condition - rough/unevenFactor
Landing gear,main gear attachment - overload

Analysis

The private certificated pilot was landing a tundra tire-equipped airplane on a remote gravel bar. During the landing roll, the right main landing gear tire struck a small berm about 300 feet after touchdown. The airplane veered to the right and struck a second berm. The right main landing gear separated from the fuselage, and the airplane received damage to the right wing, right aileron, and the right elevator.

Factual narrative

On August 31, 2002, about 1930 Alaska daylight time, a tundra tire-equipped Cessna 185E airplane, N7SR, sustained substantial damage during landing on a remote gravel bar, when it struck a berm, about 55 miles northeast of Sparrevohn, Alaska. The airplane was being operated as a Title 14, CFR Part 91 visual flight rules (VFR) cross-country personal flight when the accident occurred. The airplane was operated by the pilot. The private certificated pilot, and the sole passenger, were not injured. Visual meteorological conditions prevailed. The flight originated from an airstrip at Scott Lake, Wasilla, Alaska, about 1730.

On September 1, 2002, Federal Aviation Administration (FAA) personnel notified the National Transportation Safety Board (NTSB) investigator-in-charge (IIC), that the accident airplane pilot relayed a message via an over-flying airplane, indicating that the airplane was disabled on a gravel bar along the Stoney River.

On September 3, in a telephone conversation with the NTSB IIC, the pilot reported that during the landing roll on a gravel bar toward the northwest, the right main landing gear tire struck a small berm about 300 feet after touchdown. The airplane veered to the right and struck a second berm. The right main landing gear separated from the fuselage, and the airplane received damage to the right wing, right aileron, and the right elevator. The pilot indicated the gravel bar was about 1,000 feet long.

Aircraft

Registration
N7SR
Reported as
Cessna 185E
Category
Airplane
Serial number
1850968
Airframe hours
1,674
Engine
Continental IO-470-F, 260 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
David Stott
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 26, 2000 · 50 hours before
Departed
Wasilla, AK
Destination
Sparrevohn, AK

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
56
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Last flight review
September 15, 1998
Seat
Left
Flight hours
1,022 total · 176 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
2,000 ft overcast
Temperature
61 °F

FAA reports on this event · 1

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