Mooney M20K N231KV

Summary

On 20 April 1983 at about 23:00 local time, a Mooney M20K registered N231KV was involved in an accident near Trenton, Nebraska, United States. 4 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

20 April 1983 at 23:00

Classification

Accident

Location

Trenton, Nebraska, United States

Coordinates

40.1710, -101.0110

Aircraft

Mooney M20K

Registration

N231KV

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Business

Phase of flight

Not recorded

Route

Hastings → Grand Junction

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MKC83LA092

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

THE ACFT WAS CLIMBING THROUGH 11500 TO 12000 FT MSL WHEN THE ENGINE MADE A LOUD NOISE FOLLOWED BY A LURCH. THE OIL PRESSURE DROPPED TO ZERO AND THE ENGINE DEVELOPED A ROUGHNESS. THE PLT SAID HE SHUT THE ENGINE DOWN AT THIS TIME, THE PLT ADVISED DENVER ARTCC OF HIS EMERGENCY AND ASKED FOR LOCATIONS OF AIRPORTS IN THE VICINITY. THE CONTROLLER RESPONDED THAT THE TRENTON, NE ARPT WAS ABOUT 15 MILES BEHIND HIM. THE ACFT WAS TURNED TO A HEADING OF 80 DEGREES WHICH LATER WAS CHANGED TO 55 DEGREES. 5 MILES WEST OF TRENTON THE PLT RESPORTED THAT HE HAD THE RWY IN SIGHT. THE ACFT WAS LANDED GEAR DOWN ABOUT 1/2 MILE SHORT OF RWY 14. EXAMINATION OF THE ENGINE AFTER THE ACCIDENT SHOWED THE CRANKSHAFT CLUSTER GEAR P/N 630690 WAS MISSING ABOUT 1/2 OF ITS TEETH THAT MESH WITH THE CAM SHAFT DRIVE GEAR. THE FAILURE WAS FOUND TO HAVE STARTED AS A FATIGUE TYPE FRACTURE IN ONE OF THE GEAR TEETH.

Quoted verbatim from the NTSB record.