ANC12CA019

NTSB accident investigation · Cessna 207A · Nikiski, AK · January 23, 2012

Accident · No injuriesData collectionFinal report
Date
January 23, 2012, 08:15 local (16:15 UTC)
Place
Nikiski, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N800DFCessna 207A
Defining event
Landing: Landing area overshoot
Weather
Visual (VMC) · Night
Status
Completed · report May 15, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Anchorage FSDO
FAA report
20120123000839A
Case key
82750

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 improper identification of the runway surface. Contributing to the accident was the snow covering the runway lights.

Findings · 3

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.

Runway/land/takeoff/taxi surface: snow/slush/ice covered surfaceEnvironmental issues › Physical environment · Decision related to conditionCessna 207A: 3 casesAll aircraft: 219 cases
Airport facilities/design: snow removal service/equipmentEnvironmental issues › Operating environment · Contributed to outcomeCessna 207A: 1 caseAll aircraft: 3 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

During a night landing, the pilot misidentified the runway surface and landed the airplane in a snowbank on the left side of the runway. He stated that most of the runway lights had been covered by heavy snow and were not clearly visible when the airplane was on the straight-in approach. The airplane sustained substantial damage to both wings and the horizontal stabilizer.

Factual narrative

During a night landing, the pilot misidentified the runway surface, and landed the airplane in a snowbank on the left side of the runway. He stated that most of the runway lights had been covered by heavy snow, and were not clearly visible on the straight-in approach. The airplane sustained substantial damage to both wings, and the horizontal stabilizer.

Aircraft

Registration
N800DF
Reported as
Cessna 207A
Category
Airplane
Serial number
20700621
Airframe hours
8,752
Engine
Cont Motor IO-520-F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Rediske Air
Registered owner
Johnson Warren E
Airworthiness certificate
Standard, Normal
Last inspection
Continuous airworthiness · December 23, 2011 · 11 hours before
Departed
Trading Bay, AK
Destination
AK73 · Nikiski, AK
Flight plan
Company VFR
Airport
AK73 · McGahan Industrial, runway 07, 4,000 × 100 ft, 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
58
Injuries
None
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
February 5, 2011
Seat
Left
Flight hours
3,759 total · 2,304 in this make and model · 197 in the last 90 days · 57 in the last 30 days

Weather

Conditions
Visual (VMC) · Night
Wind
140° at 5 knots
Visibility
10 statute miles
Lowest ceiling
7,500 ft broken
Temperature
12 °F, dew point 7 °F
Altimeter
28.98 inHg
Observed at
PAEN, 9 nm away

Docket · 2

The files NTSB released with the investigation on April 6, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 884 KB 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.

Other investigations on N800DF · 1

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