BFO95LA090

NTSB accident investigation · Insua L-21 · Petersburg, VA · August 20, 1995

Accident · No injuriesLimited investigationFinal report
Date
August 20, 1995, 14:45 local (18:45 UTC)
Place
Petersburg, VA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N2446VInsua L-21
Weather
Visual (VMC) · Day
Status
Completed · report February 8, 1996
Report
Approved by Office Director
FAA report
19950820027039A
Case key
9078

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 maintain directional control of the airplane during the landing roll.

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.

Loss of control - on ground/waterLanding - roll
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in command
Main gear collapsedLanding - roll
Landing gear,main gear - overload

Analysis

The pilot stated that he lost control of the airplane after touchdown, and the airplane ground looped to the left. The right main landing gear collapsed, and the right wing struck the ground. The pilot reported that the winds were calm and there was no mechanical malfunction.

Factual narrative

On August 30, 1995, about 1445 eastern daylight time, an Insua L-21 homebuilt airplane, N2446V, piloted by the registered owner, sustained substantial damage when the right wing struck the ground during the landing roll in Petersburg, Virginia. The private pilot and one passenger, the sole occupants, reported no injuries. Visual meteorological conditions prevailed for the pleasure flight, no flight plan was filed. The flight operated under 14 CFR Part 91, and originated in Florence, South Carolina approximately 1115.

The pilot stated that he landed at Petersburg, Virginia to refuel, and intended to continue on to Cambridge, Maryland. He reported that he landed on runway 5, but "...lost control on touchdown...plane ground looped to [the] left... ." The right main landing gear collapsed and the right wing struck the ground. The pilot reported that the winds were calm, and that there was no mechanical malfunction.

Aircraft

Registration
N2446V
Reported as
Insua L-21
Category
Airplane, amateur-built
Serial number
14795330
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Knight, Donald A.
Airworthiness certificate
Special, Experimental (Special)
Departed
FLO · Florence, SC
Destination
PTB
Airport
PTB · Petersburg Municipal, runway 5, 4,998 × 100 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
52
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
431 total · 431 as pilot in command · 50 in the last 90 days · 20 in the last 30 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 64 °F
Altimeter
29.00 inHg
Observed at
PTB

FAA reports on this event · 1

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