ANC00LA040

NTSB accident investigation · Cessna 150M · Skwentna, AK · April 2, 2000

Accident · No injuriesLimited investigationFinal report
Date
April 2, 2000, 13:30 local (21:30 UTC)
Place
Skwentna, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N704GKCessna 150M
Weather
Visual (VMC) · Day
Status
Completed · report May 9, 2001
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
20000402042059A
Case key
50952

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 an unsuitable landing area. Factors associated with the accident were the pilot's disorientation, landing at the wrong airport, flat lighting conditions, and his delay in initiating a go-around.

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.

In flight collision with terrain/waterGo-around (vfr)
Became lost/disorientedPilot in commandFactor
Landed at wrong airportPilot in commandFactor
Go-around - delayedPilot in commandFactor
Unsuitable terrain or takeoff/landing/taxi area - selectedPilot in commandCause
Light condition - otherFactor
Nose overGo-around (vfr)
Terrain condition - snow covered

Analysis

The solo student pilot reported that he had rented the airplane in order to complete his first solo cross-country flight. He said that while en route, he mistakenly thought the accident airstrip was Skwentna, his first intended destination. He said that while on approach to the south, he encountered southeasterly winds estimated at 15 knots, with gusts to 20 knots. He said as the airplane continued on the approach and went below the adjacent tree line, the rate of descent increased. He then realized that he was not at his intended airstrip, so he attempted a go-around, but the airplane continued to descend. As the airplane touched down on the runway, the main wheels contacted deep snow, and the airplane nosed over. The airplane sustained substantial damage to the engine firewall assembly. The pilot noted that the existing flat lighting conditions made judging the airplane's height over the terrain difficult.

Factual narrative

On April 2, 2000, about 1330 Alaska daylight time, a wheel equipped Cessna 150M airplane, N704GK, sustained substantial damage while landing at a private airstrip located about 8 miles south of Skwentna, Alaska, at 61 degrees 57 minutes north latitude, 151 degrees 11 minutes west longitude. The airplane was being operated as a visual flight rules (VFR) cross-country instructional flight under Title 14, CFR Part 91, when the accident occurred. The solo student pilot was not injured. Visual meteorological conditions prevailed, and a VFR flight plan was filed. The flight originated at the Anchorage International Airport, Anchorage, about 1300.

During a telephone conversation with the National Transportation Safety Board investigator-in-charge on April 3, the pilot reported that he had rented the airplane in order to complete his first solo cross-country flight between Anchorage, Skwentna, Talkeetna, and return to the Anchorage International Airport. He said that while en route, he mistakenly thought the accident airstrip was Skwentna, his first intended destination. He related that while on approach to the south, he encountered southeasterly winds estimated at 15 knots, with gusts to 20 knots. He said that while on final approach, as the airplane went below the adjacent tree line, the rate of descent increased. He then realized that he was not at his intended airstrip, so he attempted a go-around, but the airplane continued to descend. He said that as the airplane touched down, the main wheels contacted deep snow on the runway, and the airplane nosed over. The airplane sustained substantial damage to the engine firewall assembly.

The pilot noted that there were no preaccident mechanical anomalies with the airplane. He also indicated that the flat lighting conditions made it difficult to discern his height above the terrain.

Aircraft

Registration
N704GK
Reported as
Cessna 150M
Category
Airplane
Serial number
15078598
Engine
Continental O-200, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
Mary J. Cantrell
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 5, 1999
Departed
ANC · Anchorage, AK
Destination
SKW · Skwentna, AK
Flight plan
VFR
Airport
Eight Mile Airstrip, runway 18, snow

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
39
Certificate
Student
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
41 total · 39 in this make and model · 98 as pilot in command · 14 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
135° at 15 knots, gusting 20
Visibility
10 statute miles
Lowest ceiling
3,000 ft overcast
Temperature
32 °F

FAA reports on this event · 1

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