Aerospatiale SA-315-B N49504

Summary

On 29 October 1984 at about 21:00 local time, a Aerospatiale SA-315-B registered N49504 was involved in an accident near West Bay, Florida, 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

29 October 1984 at 21:00

Classification

Accident

Location

West Bay, Florida, United States

Coordinates

30.1999, -85.7901

Aircraft

Aerospatiale SA-315-B

Registration

N49504

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 133: Rotorcraft Ext. Load

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MIA85LA020

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

THE ACFT CRASHED FOLLOWING A LOSS OF TAIL ROTOR CONTROL WHILE ON AN EXTERNAL LOAD AGRICULTURAL FLT. WITNESSES STATED THAT DURING A LANDING ATTEMPT AT A LOADING AREA THE ACFT STARTED SPINNING, THE EXT LOAD WAS JETTISONED, AND THE ACFT HIT THE GROUND AND ROLLED OVER. INVESTIGATION REVEALED THAT THE PITCH CHANGE DRUM, PN 3160566-00-009-1, WAS WORN THROUGHOUT ITS INTERIOR ALUMINUM SPLINES. THE PITCH CONTROL DRUM HAD BEEN REMOVED ON AUG 9, 1984 AND THE ACFT MANUAL STATES THAT EACH TIME THE DRUM IS REMOVED IT IS TO BE VISUALLY CHECKED FOR WEAR. BETWEEN AUG 9 AND OCT 29 1984, THE ACFT WAS EXPOSED TO 236.9 HRS OF OPERATING TIME.

Quoted verbatim from the NTSB record.