ANC02LA104

NTSB accident investigation · Piper PA-31-350 · Nuiqsut, AK · August 24, 2002

Accident · No injuriesLimited investigationFinal report
Date
August 24, 2002, 11:20 local (19:20 UTC)
Place
Nuiqsut, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3535FPiper PA-31-350
Weather
Visual (VMC) · Day
Status
Completed · report April 29, 2003
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA Fairbanks FSDO-01
FAA report
20020824022159A
Case key
55557

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 wheels-up landing. Factors contributing to the accident were the pilot's failure to complete the prelanding checklist, his diverted attention, and a delayed gear warning horn alarm.

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.

Wheels up landingLanding - flare/touchdown
Checklist - not performedPilot in commandFactor
Diverted attentionPilot in commandFactor
Wheels up landing - inadvertentPilot in commandCause
Landing gear,gear warning system - otherFactor

Analysis

During a 14 CFR Part 135 scheduled commuter flight, the airplane received substantial damage when it landed with its landing gear retracted on a gravel runway. The pilot reported that during the landing sequence he was distracted, and inadvertently forgot to lower the landing gear. He did not confirm that all of the prelanding checklist items were completed. He said he did not hear the landing gear warning horn until the airplane was on the ground.

Factual narrative

On August 24, 2002, about 1120 Alaska daylight time, a Piper PA-31-350 airplane, N3535F, sustained substantial damage during an inadvertent wheels-up landing on a gravel runway at the Nuiqsut Airport, Nuiqsut, Alaska. The airplane was being operated as a visual flight rules (VFR) scheduled passenger flight under Title 14, CFR Part 135, when the accident occurred. The airplane was being operated by Cape Smythe Air Service, Inc., of Barrow, Alaska, as Flight 182. The airline transport pilot and the two passengers were not injured. Visual meteorological conditions prevailed, and company VFR flight following procedures were in effect. The flight originated at Barrow, about 1016.

During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC), on August 27, the pilot said the flight had been plagued by changes, interruptions, and distractions. He said in the landing pattern he had to alter course due to birds. As a result of the distractions, he said he missed putting the landing gear down, and landed with the landing gear in the retracted position. The pilot said the aural landing gear warning horn did not activate when the throttle settings were reduced.

In a written statement to the NTSB, the pilot reported he did not hear the landing gear warning horn until the airplane was on the ground.

The airplane sustained substantial skin and stringer damage to the fuselage.

Aircraft

Registration
N3535F
Reported as
Piper PA-31-350
Category
Airplane
Serial number
31T7952200
Airframe hours
21,241
Engine
Lycoming LTIO-540-J2B, 350 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Cape Smythe Air Service Inc
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · August 23, 2002 · 1 hours before
Departed
PABR · Barrow, AK
Destination
PAQT · Nuiqsut, AK
Flight plan
Company VFR
Airport
PAQT · Nuiqsut, runway 04, 4,300 × 50 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
44
Injuries
None
Certificates
Flight engineer, Flight instructor, Airline transport
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Last flight review
June 17, 2002
Seat
Left
Flight hours
16,900 total · 2,300 in this make and model · 16,000 as pilot in command · 230 in the last 90 days · 104 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
130° at 4 knots
Visibility
10 statute miles
Lowest ceiling
2,400 ft overcast
Temperature
43 °F, dew point 39 °F
Altimeter
29.81 inHg
Observed at
PAQT

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 N3535F · 2

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