BFO93LA067

NTSB accident investigation · Piper PA-28RT-201 · Willimantic, CT · May 2, 1993

Accident · No injuriesLimited investigationFinal report
Date
May 2, 1993, 17:45 local (21:45 UTC)
Place
Willimantic, CT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N81529Piper PA-28RT-201
Weather
Visual (VMC) · Day
Status
Completed · report November 15, 1993
Report
Approved by Office Director
FAA report
19930502011579A
Case key
11929

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

Failure of the pilot to follow emergency procedures to ensure that the gear was locked. A factor related to the accident was the total electrical failure and the construction site located beside the runway.

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.

Airframe/component/system failure/malfunctionCruise - normal
Electrical system,electric wiring - separation
Electrical system - failure,totalFactor
Main gear collapsedLanding - flare/touchdown
Emergency procedure - not followedPilot in commandCause
Gear down and locked - not attainedPilot in commandCause
Loss of control - on ground/waterLanding
Directional control - not possible
Ground loop/swerve - uncontrolledPilot in command
On ground/water collision with objectLanding - roll

Analysis

While in cruise during a cross country flight, the airplane lost total electrical power. The flight was continued to its planned destination. While in the pattern, the landing gear was extended at 95 knots indicated airspeed. During the landing, the left main gear collapsed and the airplane skidded into a construction site. The airplane impacted construction material and the right main gear was torn away from the right wing structure. Post accident examination of the airplane's electrical system revealed that a battery wire leading to the alternator had failed near the alternator. The landing gear was tested with no anomalies noted. The pilot operating handbook stated that the emergency gear lever must be held in the downward position for emergency extension. The pilot operating handbook also stated that an airspeed of 87 knots should be attained before trying to extend the gear during an emergency extension.

Aircraft

Registration
N81529
Reported as
Piper PA-28RT-201 (PA-28RT-20)
Category
Airplane
Serial number
28R-8018036
Airframe hours
3,485
Engine
Lycoming IO-360-C1C6, 200 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Windham Aviation Inc
Registered owner
Windham Aviation Inc
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 5, 1993 · 26 hours before
Departed
ACK · Nantucket, MA
Destination
IJD
Airport
IJD · Windham Airport, runway 18, 2,797 × 150 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
42
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
237 total · 22 in this make and model · 22 in the last 90 days · 11 in the last 30 days · 8 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles
Lowest ceiling
None
Temperature
70 °F

FAA reports on this event · 1

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