ANC90FA025

NTSB accident investigation · Cessna 150 · Anchorage, AK · January 8, 1990

Accident · No injuriesField investigationFinal report
Date
January 8, 1990, 11:00 local (15:00 UTC)
Place
Anchorage, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N63414Cessna 150
Weather
Visual (VMC) · Day
Status
Completed · report September 30, 1991
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19900108000279A
Case key
5280

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

On this page

Probable cause

Failure of the student pilot to maintain directional control, which resulted in an inadvertent ground swerve. The snowbank was a related factor.

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
Airport facilities,runway/landing area condition - icyFactor
Airport facilities,runway/landing area condition - snow coveredFactor
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in commandCause
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - snowbankFactor

Analysis

The student plt was practicing takeoffs & landings on a rwy that was covered with ice & snow. After the 4th landing, he applied power to takeoff again. He said that after full power was applied, the acft began sliding sideways. Subsequently, it collided with a snowbank & was damaged.

Aircraft

Registration
N63414
Reported as
Cessna 150
Category
Airplane
Serial number
15077296
Airframe hours
6,154
Engine
Continental O-200-A, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
Aero Tech Flight Service, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · November 19, 1989 · 52 hours before
Airport
MRI · Merrill, runway 33, 2,665 × 75 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
21
Certificate
Student
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
68 total · 68 in this make and model · 22 as pilot in command · 20 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
330° at 5 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
10 °F, dew point 1 °F
Altimeter
29.00 inHg
Observed at
ANC, 1 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.

Other investigations on N63414 · 1

Matched to the same aircraft by N-number and date.