CHI06LA278

NTSB accident investigation · Piper PA-18A-150 · Lawrenceville, IL · June 15, 2006

Accident · No injuriesLimited investigationFinal report
Date
June 15, 2006, 13:30 local (18:30 UTC)
Place
Lawrenceville, IL
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9779DPiper PA-18A-150
Weather
Visual (VMC) · Day
Status
Completed · report November 29, 2007
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20060615028879A
Case key
64887

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 visual separation from the glider attempted by the tow pilot and traffic advisories from the glider not received by the tow pilot. The airport sign/marker was a contributing factor.

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.

On ground/water collision with objectLanding - roll
Object - airport sign/markerFactor
Visual separation - attemptedPilot in commandCause
Traffic advisory - not receivedPilot in commandCause

Analysis

The tow airplane was returning to the uncontrolled airport after releasing a glider that was operated by a soaring club. The pilot of the tow airplane stated that he entered the traffic pattern to land on runway 27 and saw another aircraft taking off from runway 27. The pilot of the tow airplane decided to continue the approach and to land on the grass next to runway 27. After he touched down, he observed a glider attempting to land in the opposite direction. The glider pilot appeared to overshoot the centerline and was heading for the tow airplane. The tow airplane pilot turned right towards the runway to avoid the glider, but the glider turned towards him. The tow airplane pilot turned back to the left and impacted a runway sign. According to the Airport Facility Directory, runway 27 had the same traffic pattern for engine-driven aircraft and gliders. The tow pilot stated that he did not hear any radio transmissions from the glider on the LWV common traffic advisory frequency.

Factual narrative

On June 15, 2006, about 1330 central daylight time, a Piper PA-18A-150, N9779D, operated by Wabash Valley Soaring Association Inc., received substantial damage on impact with a runway sign during landing rollout at Lawrenceville-Vincennes International Airport, Lawrenceville (LWV), Illinois. Visual meteorological conditions prevailed at the time of the accident. The 14 CFR Part 91 personal flight was not operating on a flight plan. The commercial pilot received no injuries. The flight originated from LWV at an unknown time.

The pilot stated that he was participating in glider tow operations at the airport that day. During the accident flight, he released the glider he was towing over the airport, flew south of the airport to lose altitude, and entered the traffic pattern for landing on runway 27 (5,198 feet by 150 feet, asphalt). He observed another aircraft taking off from runway 27 and decided to land on the grass next to the runway. During his rollout, he observed a glider approaching the airport from the north which appeared to be landing in the opposite direction. The glider appeared to overshoot the runway centerline and was headed for the accident airplane. The pilot turned right towards the runway to avoid the glider, but the glider "turned or corrected" towards him. The pilot reported turning back to the left to get out of the glider's way when he impacted the runway sign.

The tow pilot stated that he did not hear any radio transmissions from the glider on the LWV common traffic advisory frequency.

According to the Airport Facility Directory, runway 27 had the same traffic pattern for engine-driven aircraft and gliders.

Aircraft

Registration
N9779D
Reported as
Piper PA-18A-150
Category
Airplane
Serial number
18-6848
Engine
Lycoming O-320-A2A, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Glider tow · Part 91
Registered owner
Wabash Valley Soaring Assoc Inc
Airworthiness certificate
Standard, Utility; Standard, Normal
Departed
LWV
Destination
LWV
Airport
LWV · Lawrenceville-Vincennes Intl, runway 27, 5,198 × 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
46
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Last flight review
April 1, 2006
Seat
Single
Flight hours
15,000 total · 150 in this make and model · 10,000 as pilot in command · 300 in the last 90 days · 100 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 55 °F
Altimeter
30.12 inHg
Observed at
LWV

FAA reports on this event · 1

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