ANC12CA044

NTSB accident investigation · Silvaire Luscombe 8F · Tok, AK · May 30, 2012

Accident · No injuriesData collectionFinal report
Date
May 30, 2012, 11:30 local (19:30 UTC)
Place
Tok, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9906CSilvaire Luscombe 8F
Defining event
Landing-flare/touchdown: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report October 9, 2012
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Fairbanks FSDO
FAA report
20120530011159A
Case key
83813

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 inadvertent and excessive application of brake pressure during landing, which resulted in a nose over.

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.

Landing gear system: brakeAircraft › Aircraft systems · Unintentional use/operationSilvaire LUSCOMBE 8F: 1 caseAll aircraft: 297 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 during landing, he inadvertently applied excessive pressure to the brakes, and the airplane nosed over, resulting in substantial damage to the vertical stabilizer and rudder. He reported that the airplane had recently been modified with hydraulic brakes, but there were no preaccident mechanical anomalies with the airplane.

Factual narrative

The pilot reported that during landing, he inadvertently applied excessive pressure to the brakes, and the airplane nosed over, resulting in substantial damage to the vertical stabilizer and rudder. He reported that the airplane had recently been modified with hydraulic brakes, but there were no preaccident mechanical anomalies with the airplane.

Aircraft

Registration
N9906C
Reported as
Silvaire Luscombe 8F
Category
Airplane
Serial number
S-9
Airframe hours
1,660
Engine
Cont Motor C90 SERIES, 95 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
John Stevens
Registered owner
John Stevens
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 14, 2012 · 4 hours before
Departed
PAGK · Glennallen, AK
Destination
PFTO · Tok, AK
Airport
PFTO · Tok Junction, runway 07, 2,509 × 50 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
60
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine sea, Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
October 26, 2011
Seat
Left
Flight hours
7,000 total · 1 in this make and model · 6,000 as pilot in command · 20 in the last 90 days · 10 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 4 knots
Visibility
10 statute miles
Lowest ceiling
15,000 ft broken
Temperature
57 °F, dew point 27 °F
Altimeter
29.47 inHg
Observed at
PAOR, 35 nm away

Docket · 1

The files NTSB released with the investigation on July 27, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 638 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.