Mooney M20 N2746W

Summary

On 27 March 1988 at about 21:15 local time, a Mooney M20 registered N2746W was involved in an accident near Manchester, New Hampshire, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

27 March 1988 at 21:15

Classification

Accident

Location

Manchester, New Hampshire, United States

Coordinates

Not recorded

Aircraft

Mooney M20

Registration

N2746W

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Manchester → Concord

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

NYC88LA117

Nobody was injured.

MAINTENANCE PERSONNEL IMPROPERLY INSTALLED THE NUMBER TWO CONNECTING ROD (P/N L-10646) CAUSING IT TO SEPARATE, CREATE A HOLE IN THE ENGINE CASE, LOSS OF ENGINE OIL AND ENGINE POWER. DUE TO THE PILOT'S IMPROPER INFLIGHT DECISION, HE PERFORMED A WHEELS UP LANDING ON A HIGHWAY BRIDGE CAUSING SUBSTANTIAL DAMAGE.

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

Read the full NTSB narrative

SHORTLY AFTER TAKEOFF FROM MANCHESTER, NEW HAMPSHIRE AND AFTER REACHING AN ALTITUDE OF ABOUT 2,000 FEET, THE AIRCRAFT EXPERIENCED AN ENGINE FAILURE AND AT THE SAME TIME OIL SPLATTERED ON THE WINDSHIELD. THE PILOT MADE AN EMERGENCY WHEELS UP LANDING ON A BRIDGE ON ROUTE 93 IN HOOKSETT, NEW HAMPSHIRE. A POST ACCIDENT INSPECTION OF THE AIRPLANE REVEALED A HOLE IN THE ENGINE UPPER CASE AT THE NO. 2 CYLINDER AND A FRACTURED AND DEFOREMED NO. 2 CONNECTING ROD. METALLURGICAL EXAM INDICATED THAT THE CONNECTING ROD BOLT NUT ON THE NO.2 CYLINDER BACKED COMPLETELY OFF THE BOLT.

Quoted verbatim from the NTSB record.