Bell B-214-B-1 N114RM

Summary

On 3 March 1986 at about 15:22 local time, a Bell B-214-B-1 registered N114RM, operated by Rocky Mountain Helicopters, Inc, was involved in an accident near Bullard, Georgia, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

3 March 1986 at 15:22

Classification

Accident

Location

Bullard, Georgia, United States

Coordinates

Not recorded

Aircraft

Bell B-214-B-1

Registration

N114RM

Category

Helicopter

Engines

1

Operator

Rocky Mountain Helicopters, Inc

Operating rule

Part 133: Rotorcraft Ext. Load

Purpose of flight

Other Work Use

Phase of flight

Not recorded

Route

Bullard → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

ATL86FA084

1 person had minor injuries.

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

A HELICOPTER INVOLVED IN A LOGGING OPERATION WAS IN PROCESS OF LIFTING A LOG WHEN CREW REPORTED A 'LOUD EXPLOSION' AND A LOSS OF POWER WAS EXPERIENCED. AN AUTOROTATIVE LANDING WAS ACCOMPLISHED AND A SMALL ENGINE FIRE WAS EXTINGUISHED. THE 1ST STAGE TURBINE DISC HAD SEPARATED AND WAS UNCONTAINED. DEBRIS HAD DAMAGED THE MAIN ROTOR BLADES AND COWLING DURING ITS DEPARTURE FROM THE HELICOPTER. EVIDENCE OF A THREAD LURE WAS REPORTED ON THE MALE AND FEMALE THREADS FOR THE DISC BOLTS. THIS IS THE SECOND REPORTED IGT TURBINE DISC FAILURE ON THIS ENGINE, BOTH WERE BEING OPERATED BY THIS COMPANY AT THE TIME.

Quoted verbatim from the NTSB record.