Piper L-4H N58988

Summary

On 21 June 1986 at about 03:30 local time, a Piper L-4H registered N58988 was involved in an accident near Anchorage, Alaska, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

21 June 1986 at 03:30

Classification

Accident

Location

Anchorage, Alaska, United States

Coordinates

61.1604, -149.9907

Aircraft

Piper L-4H

Registration

N58988

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Moose Point → Anchorage

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

ANC86FA085

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 PILOT/MECHANIC STATED THE ENGINE OIL PRESSURE GAUGE BEGAN FLICKERING, SO HE ELECTED TO LAND AND DURING THE DESCENT THE ENGINE FAILED. HE LANDED DOWNWIND IN 20 KNOT WINDS AND DURING THE LANDING ROLL, ACROSS TUNDRA/MUD THE AIRPLANE'S WHEELS STRUCK A LARGE WATER FILLED HOLE AND NOSED OVER. POST ACC EXAM OF THE ACFT REVEALED THAT THE BOTTOM OF THE FUSELAGE WAS COVERED WITH OIL. THE OIL BREATHER TUBE HAD AN OIL CAN WIRED TO IT. THE PLT DID HIS OWN MAINTENANCE WORK. THE OIL WAS BEING BLOWN OUT THRU THE BREATHER TUBE. SINCE THE ACFT WAS UPSIDE DOWN ANY REMAINING OIL HAD DRAINED OUT. THE PLT WAS OPERATING THE ACFT KNOWING THAT THE LUBRICATING SYS WAS IMPROPER.

Quoted verbatim from the NTSB record.