Hiller UH-23-D N61PC

Summary

On 5 August 1987 at about 13:30 local time, a Hiller UH-23-D registered N61PC was involved in an accident near Brentwood, California, 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

5 August 1987 at 13:30

Classification

Accident

Location

Brentwood, California, United States

Coordinates

37.8693, -121.6801

Aircraft

Hiller UH-23-D

Registration

N61PC

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 137: Agricultural

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

LAX87DVD04

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

DURING AN AERIAL APPLICATION FLIGHT, THE TAIL BOOM WEIGHT SEPARATED AND CONTACTED THE TAIL ROTOR. THE PILOT LOST CONTROL OF THE AIRCRAFT AND COLLIDED WITH A TREE AND SUBSEQUENTLY THE TERRAIN. POST ACC INVEST REVEALED THAT THE 'PIP PINS' WHICH SECURE THE TAIL BOOM WEIGHT BROKE IN FLT ALLOWING MOVEMENT OF THE WEIGHT.

Quoted verbatim from the NTSB record.