Benjamin PITTS S1U N155LB

Summary

On 24 February 1985 at about 21:30 local time, a Benjamin PITTS S1U registered N155LB was involved in an accident near Fort Benton, Montana, 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

24 February 1985 at 21:30

Classification

Accident

Location

Fort Benton, Montana, United States

Nearest airport

Fort Benton (79S)

Coordinates

47.9794, -110.7997

Aircraft

Benjamin PITTS S1U

Registration

N155LB

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Unknown → Shelby

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

DEN85FTI02

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 CONTACTED A DIRT BANK DURING A FORCED LANDING IN A FIELD FOLLOWING A LOSS OF PWR SHORTLY AFTER TAKEOFF. A LANDING WAS MADE AT FORT BENTON ARPT WHERE THE ACFT WAS SERVICED WITH 11.85 GALLONS OF 100 OCT AVGAS. POST ACCIDENT EXAMINATION OF THE ACFT REVEALED WATER CONTAMINATION IN THE CARBURETOR BOWL AND FUEL SYSTEM. A 1 QT JAR WAS FILLED WITH FUEL FROM THE FUEL LINE TO THE CARBURETOR. A 17/32 INCH LAYER OF AVGAS WAS PRESENT ON TOP OF WATER WHICH FILLED THE REMAINING PORTION OF THE JAR. THE ACFT WAS REFUELED FROM AN UNDERGROUND TANK. THERE WAS NO FILTERIZATION ELEMENT ON THE REFUELING EQUIPMENT.

Quoted verbatim from the NTSB record.