ANC91LA118

NTSB accident investigation · Piper PA-31-350 · Emmonak, AK · August 8, 1991

Accident · No injuriesLimited investigationFinal report
Date
August 8, 1991, 12:00 local (20:00 UTC)
Place
Emmonak, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N27472Piper PA-31-350
Weather
Visual (VMC) · Day
Status
Completed · report March 24, 1993
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19910808032689A
Case key
5595

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

That the pilot inadvertently retracted the landing gear during the takeoff roll. Contributing to this accident was that the checklist was not followed.

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.

Gear collapsedTakeoff - roll/run
Gear retraction - inadvertentPilot in commandCause
Checklist - not followedPilot in commandFactor

Analysis

The pilot inadvertently retracted the landing gear instead of the flaps. This took place between the landing roll and takeoff roll of a touch and go. The airplane came to rest on the runway approximately mid field.

Aircraft

Registration
N27472
Reported as
Piper PA-31-350
Category
Airplane
Serial number
317852019
Airframe hours
3,247
Engine
Lycoming TIO-540-52BD, 350 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · August 2, 1991 · 3 hours before
Flight plan
Company VFR
Airport
ENM · Emmonak, runway 34, 4,400 × 75 ft, gravel

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
37
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
2,000 total · 1 in this make and model · 1,500 as pilot in command · 70 in the last 90 days · 50 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 5 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
64 °F, dew point 54 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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