Cessna 170B N2432D

Summary

On 6 July 1985 at about 00:00 local time, a Cessna 170B registered N2432D was involved in an accident near Swan Lake, Montana, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

6 July 1985 at 00:00

Classification

Accident

Location

Swan Lake, Montana, United States

Coordinates

47.7403, -113.7401

Aircraft

Cessna 170B

Registration

N2432D

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Spotted Bear → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

DEN85LA181

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 PLT SAID THAT PRIOR TO DEPARTURE THERE WAS AN ESTIMATED 14 GALS OF FUEL ON BOARD. AFTER APRX 30 MINUTES OF FLIGHT THE ENG LOST ALL PWR AND A FORCED LANDING WAS ACCOMPLISHED IN A MOUNTAINOUS CREEK BED. DURING THE LANDING ROLL THE ACFT STRUCK A FEELED TREE AND OVERTURNED. POST-CRASH EXAM OF THE ACFT REVEALED ONLY TRACE AMOUNTS OF FUEL IN THE FUEL TANKS, LINES, CARBURETOR BOWL, AND ACCELERATOR PUMP. NO FUEL WAS FOUND IN THE GASCOLATOR. THE ENG WAS LATER TEST RUN AND OPERATED SATISFACTORILY. THE FUEL LINE BETWEEN THE FIREWALL AND CARBURETOR WAS SAID TO BE A RUBBER VACUUM LINE AND AN UNAPPROVED INSTALLATION. THE LINE WAS SO DETERIORATED AND BRITTLE THAT IT BROKE INTO SEVERAL PIECES WHILE BEING REMOVED FOR EXAMINATION. THE PLT REPORTED HE USED A STOPWATCH TO KEEP TRACK OF THE FUEL SUPPLY BECAUSE THE FUEL GAGES WERE INACCURATE.

Quoted verbatim from the NTSB record.