Casualties unknown

Pilot Overruns Runway During Touch-and-Go Abort (N7553E)

EL Monte, CA, US

On December 30, 1993, a Cessna 172N (registration N7553E) operated by Aero Assn OF Caltech, Inc. was involved in an aviation accident near EL Monte, CA. Investigators recorded the probable cause as: The pilot's improper decision to apply brakes before retarding the throttle, which resulted in a loss of traction and runway overrun. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-22Data APIEditorial standards

A pilot aborted a touch-and-go maneuver and overran the runway after applying brakes before reducing throttle, causing loss of traction as engine power exceeded braking capability.

What happened

The aircraft was conducting a touch-and-go maneuver when the pilot decided to abort the takeoff. During this abort attempt, witnesses reported hearing the engine accelerate. The pilot applied the brakes prior to retarding the throttle. This sequence of actions resulted in the airplane losing traction because the braking action could not overcome the engine power, which extended the landing roll and caused the aircraft to overrun the runway at the departure end.

The investigation

The investigation focused on the sequence of events during the aborted takeoff. Witnesses confirmed that the engine accelerated during the abort attempt. It was determined that the pilot applied the brakes before retarding the throttle. This timing prevented the braking system from effectively slowing the aircraft, as the continued engine power counteracted the braking force.

Findings

The primary factor in this incident was the improper application of flight controls during the abort. The pilot applied the brakes before reducing engine power. This action led to a loss of traction because the braking action could not overcome the engine power. The result was an extended landing roll and runway overrun.

Safety message

Pilots should be aware that applying brakes before retarding the throttle during a rejected takeoff or abort can lead to a loss of braking effectiveness. Proper procedure requires reducing engine power before or simultaneously with brake application to ensure maximum braking efficiency.

Probable cause

The pilot's improper decision to apply brakes before retarding the throttle, which resulted in a loss of traction and runway overrun.

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Frequently asked questions

What happened in the 30 Dec 1993 Cessna 172N accident near EL Monte, CA?

A pilot aborted a touch-and-go maneuver and overran the runway after applying brakes before reducing throttle, causing loss of traction as engine power exceeded braking capability.

What aircraft was involved and where did it happen?

The accident on 30 Dec 1993 involved a Cessna 172N, registration N7553E, operated by Aero Assn OF Caltech, Inc., at EL Monte, CA.

What was the probable cause of the accident?

The pilot's improper decision to apply brakes before retarding the throttle, which resulted in a loss of traction and runway overrun.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13887. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.