Learjet 35 accident following thrust reverser deployment during touch-and-go

No fatalities • Avon Park, United States of America • Landing (descent or approach)

A Learjet 35 experienced a loss of control and subsequent fire in a field after the pilot attempted a go-around following the inadvertent deployment of thrust reversers during a touch-and-go landing.

What happened

During a touch-and-go maneuver at an airport, the Learjet 35 approached runway 4 on a left base. Witnesses observed the aircraft touch down on the runway and subsequently attempt to take off again. During the landing phase, the aircraft drifted to the right of the runway centerline before making a sharp left turn to realign. During this maneuver, the aircraft slightly overshot the runway to the left and performed a sharp right turn to touch down.

Upon touchdown, the pilot noted the aircraft lurching to the side while traveling at 126 knots. The pilot attempted to abort the landing by applying full power; however, the engines failed to develop sufficient thrust. The aircraft subsequently lifted off the ground at an altitude of approximately 30 to 40 feet, exhibiting a wobbling motion at low airspeed. The aircraft crossed a highway at a low altitude with the right wing low, struck wires, and entered a field where it caught fire. There were 0 fatalities and 0 injuries reported in the provided text.

Findings

Investigation of the engine components revealed significant discrepancies in the thrust reverser settings. The left thrust reverser translator was in the deployed position with blocker doors fully open and both pneumatic latches unlocked. The right thrust reverser translator was also deployed, but with the blocker doors closed and only the left pneumatic latch unlocked.

Inadvertent thrust reverser deployment was a critical factor in the loss of control. According to existing Airworthiness Directives and manufacturer training from Lear Jet and FlightSafety International, thrust reversers should only be used for full-stop landings and must not be used during touch-and-go or balked landings. The pilot acknowledged awareness of these limitations but stated that once the reversers had deployed, he felt committed to landing.

Probable cause

The inadvertent deployment of thrust reversers during a touch-and-go landing led to a loss of engine thrust during an attempted go-around.

Frequently asked questions

What happened in the 1997-07-15 Learjet 35 accident near Avon Park, United States of America?

A Learjet 35 experienced a loss of control and subsequent fire in a field after the pilot attempted a go-around following the inadvertent deployment of thrust reversers during a touch-and-go landing.

Were there any fatalities in the 1997-07-15 Learjet 35 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1997-07-15 involved a Learjet 35, registration N19LH, operated by Orion Aircraft Leasing, at Avon Park, United States of America.

What was the probable cause of the accident?

The inadvertent deployment of thrust reversers during a touch-and-go landing led to a loss of engine thrust during an attempted go-around.

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