ANC14CA017

NTSB accident investigation · Silvaire Luscombe 8E · Alegnagik, AK · March 2, 2014

Accident · Minor injuriesData collectionFinal report
Date
March 2, 2014, 14:15 local (18:15 UTC)
Place
Alegnagik, AK
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N2542KSilvaire Luscombe 8E
Defining event
Taxi: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report June 5, 2014
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Anchorage FSDO
FAA report
20140302003949A
Case key
88872

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 determine that the ice that he was taxiing on was safe for operation.

Findings · 2

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 · Awareness of conditionSilvaire LUSCOMBE 8E: 1 caseAll aircraft: 219 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

The pilot reported that he had just landed his tail wheel-equipped airplane on a frozen lake. During the taxi to his cabin, both of the airplane's main landing gear wheels broke through overflow ice, and the airplane nosed over, sustaining substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical anomalies with the airplane that would have precluded normal operation, and that the accident could have been prevented had he called a local lodge owner to check the conditions of the ice before landing.

Factual narrative

The pilot reported that he had just landed his tail wheel-equipped airplane on a frozen lake. During the taxi to his cabin, both of the airplane's main landing gear wheels broke through overflow ice, and the airplane nosed over, sustaining substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical anomalies with the airplane that would have precluded normal operation, and that the accident could have been prevented had he called a local lodge owner to check the conditions of the ice before landing.

Aircraft

Registration
N2542K
Reported as
Silvaire Luscombe 8E
Category
Airplane
Serial number
5269
Built
1947
Airframe hours
4,236
Engine
Continental C85, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · November 1, 2013 · 10 hours before
Departed
PADL · Dillingham, AK
Destination
Alegnagik, AK

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
Minor
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, With waivers/limitations
Last flight review
June 20, 2012
Seat
Left
Restraint
Lap only
Flight hours
1,950 total · 1,583 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 10 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
39 °F, dew point 21 °F
Altimeter
29.88 inHg
Observed at
PADL, 27 nm away

Docket · 1

The files NTSB released with the investigation on May 21, 2014, on NTSB’s docket system: statements, records, photos and specialists’ reports. 416 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 N2542K · 2

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