Cessna 150M N714SR

Summary

On 17 June 1989 at about 21:13 local time, a Cessna 150M registered N714SR, operated by L. J. Morse, was involved in an accident near Knoxville, Tennessee, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

17 June 1989 at 21:13

Classification

Accident

Location

Knoxville, Tennessee, United States

Nearest airport

Downtown Island (DKX)

Coordinates

Not recorded

Aircraft

Cessna 150M

Registration

N714SR

Category

Airplane

Engines

1

Operator

L. J. Morse

Operating rule

Part 91: General Aviation

Purpose of flight

Instructional

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

ATL89LA162

1 person had minor injuries.

THE PILOT'S FAILURE TO RECOGNIZE THAT THE ENGINE WAS NOT DEVELOPING FULL POWER AND THE DELAY IN PERFORMING REMEDIAL ACTION UNTIL IT WAS TOO LATE TO STOP THE AIRPLANE ON THE RUNWAY.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

THE STUDENT WAS MAKING A PRACTICE SOLO FLIGHT TO PREPARE FOR HER PRIVATE PILOT CERTIFICATION TEST THE FOLLOWING WEEK. AFTER AN ENGINE RUNUP WHICH RESULTED IN AN EXCESSIVE MAG DROP ON THE FIRST ATTEMPT, SHE ATTEMPTED A TAKEOFF ON RUNWAY 26. SHE HAD USED UP ABOUT HALF OF THE 3,500 FT RWY BEFORE THE AIRSPEED INDICATOR FURNISHED A READING. THE READING DID NOT GET ABOVE 40 MPH DURING THE TAKEOFF RUN. THE ENGINE STARTED RUNNING ROUGH AND SHE DECIDED TO ABORT THE TAKEOFF. THE AIRPLANE VEERED LEFT OFF THE RUNWAY, 183 FEET FROM THE END. IT CONTINUED OVER THE GRASS SURFACE AND INTO THE RIVER/LAKE SURROUNDING THE AIRPORT. THE SKID MARKS FROM THE APPLICATION OF THE MAIN WHEEL BRAKES BEGAN 215 FEET FROM THE END OF THE RUNWAY. THE THROTTLE WAS FOUND IN THE CLOSED POSITION. THE EXHAUST VALVE FOR THE NUMBER FOUR CYLINDER WAS FOUND STUCK IN THE OPEN POSITION. INSPECTION REVEALED THE AIRPLANE WAS 10 HOURS PAST DUE OF IT'S 100 HOUR INSPECTION.

Quoted verbatim from the NTSB record.