Grumman American AA5B N28426

Summary

On 13 May 1983 at about 20:55 local time, a Grumman American AA5B registered N28426 was involved in an accident near Bedminster, New Jersey, United States. 3 people were on board and 2 were seriously injured, one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

13 May 1983 at 20:55

Classification

Accident

Location

Bedminster, New Jersey, United States

Nearest airport

Somerset (N52)

Coordinates

Not recorded

Aircraft

Grumman American AA5B

Registration

N28426

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 135: Air Taxi & Commuter

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

White Plains → Doylestown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

NYC83FA110

2 people were seriously 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 CRASHED INTO TREES DURING A FORCED LANDING AFTER A LOSS OF POWER WHILE ENROUTE FROM WHITE PLAINS. THE ENGINE STARTED TO SHAKE AND THE RPMS DECREASED. THE PLT INITIATED EMERGENCY PROCEDURES BUT THE ENGINE CONTINUED TO RUN ROUGHLY.A DECISION WAS MADE TO LAND AT SOMERSET ARPT. THE LANDING APPROACH WAS HIGH AND THE PLT ELECTED TO GO AROUND. THE ENGINEPOWER WAS NOT ENOUGH AND A FULL STALL FLAPS UP LANDING WAS MADE INTO THE TREE TOPS. THE ACFT SLID DOWN THE TREES AND STOPPED IN A PAST VERTICAL NOSE DOWN POSITION. DURING A POST ACCIDENT ENGINE EXAMINATION THE #1 CYLINDER HAD NO COMPRESSION. THE EXHAUST VALVE WAS BROKEN AND THE VALVE HEAD WAS NOT FOUND. THE CYLINDER EXHAUST VALVE GUIDE MEASURED .515. THE SPECIFICATION WHEN NEW IS .4985. THE SERVICE LIMIT IS .4995.

Quoted verbatim from the NTSB record.