FTW95LA370

NTSB accident investigation · Piper PA-28R-180 · Lago Vista, TX · September 6, 1995

Accident · Minor injuriesLimited investigationFinal report
Date
September 6, 1995, 11:47 local (16:47 UTC)
Place
Lago Vista, TX
Injuries
3 minor
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N3726TPiper PA-28R-180
Weather
Visual (VMC) · Day
Status
Completed · report November 6, 1995
Report
Approved by Office Director
FAA report
19950906027939A
Case key
19562

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 loss of engine power due to the failure of a connecting rod for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.

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 engine power(total) - mech failure/malfApproach
Engine assembly,connecting rod - failureCause
Reason for occurrence undeterminedCause
Forced landingEmergency descent/landing
On ground/water encounter with terrain/waterEmergency landing
Terrain condition - mountainous/hilly
Terrain condition - none suitableFactor

Analysis

The flight instructor reported that the engine lost oil pressure and developed a vibration while on an instrument training flight. The instructor took over the controls and turned the airplane to the nearest available airport and notified approach control of the situation. ATC issued the airplane a heading as well as the distance to the airport. Due to the low altitude and trees surrounding the airport, the pilot was unable to align the airplane with either runway at the airport and elected to land perpendicular to the runway. The airplane touched down north of the runway and continued downslope, went through a fence and came to rest in a sandy area adjacent to the hangars. Examination of the engine by the owner's representative revealed that the connecting rods for the number 1 and 2 cylinders had failed for undetermined reason.

Factual narrative

On September 6, 1995, at 1147 central daylight time, a Piper PA- 28R-180, N3726T, was substantially damaged during a forced landing near Lago Vista, Texas. The flight instructor, the pilot receiving instruction, and a passenger sustained minor injuries. The flight originated at the Bridgeport Municipal Airport, near Bridgeport, Texas, at approximately 1015 CDT. Visual meteorological conditions prevailed for the instructional flight for which a composite VFR/IFR flight plan was filed.

According to Austin Approach Control, the airplane was assigned 4,000 feet MSL while receiving radar vectors for a practice ILS approach to the Robert Mueller Municipal Airport, in Austin, Texas. The flight instructor reported a loss of engine oil pressure, accompanied by a vibration and an increase in cylinder head temperature when the flight was approximately 15 miles northwest of Austin, Texas. The flight instructor turned the airplane towards the nearest available airport, and notified approach control of the situation. Approach control issued vectors and distance to the Rusty Allen Airport, near Lago Vista, Texas.

The airport is located in hilly terrain, and is surrounded by trees. The pilot stated that he did not have sufficient altitude available to align the airplane with the runway, so he elected to land perpendicular to the runway. The airplane touched down approximately 40 feet to the north of Runway 15, continued downslope, went through a fence, and came to rest in a sandy area adjacent to the hangars.

The right wing separated from the airframe, and the left wing was deflected upwards 90 degrees. Examination of the engine by the owner's representative revealed that the connecting rods for the #1 and #2 cylinders had separated for undetermined reason.

Aircraft

Registration
N3726T
Reported as
Piper PA-28R-180
Category
Airplane
Serial number
30033
Airframe hours
3,958
Engine
Lycoming IO-360-B1E, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
Perry A. Johnson
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · July 17, 1995 · 82 hours before
Departed
1F9 · Bridgeport, TX
Destination
AUS · Austin, TX
Flight plan
IFR
Airport
5R3 · Rusty Allen Airport, runway 15, 3,809 × 50 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
28
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
813 total · 48 in this make and model · 629 as pilot in command · 292 in the last 90 days · 93 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 6 knots
Visibility
7 statute miles
Lowest ceiling
None
Temperature
86 °F, dew point 75 °F
Altimeter
30.00 inHg
Observed at
AUS, 35 nm away

FAA reports on this event · 1

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