Bell UH-1B N4242T

Summary

On 14 April 1986 at about 13:15 local time, a Bell UH-1B registered N4242T, operated by Colony Helicopters, was involved in an accident near North Port, Florida, 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

14 April 1986 at 13:15

Classification

Accident

Location

North Port, Florida, United States

Coordinates

Not recorded

Aircraft

Bell UH-1B

Registration

N4242T

Category

Helicopter

Engines

1

Operator

Colony Helicopters

Operating rule

Part 91: General Aviation

Purpose of flight

Business

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MIA86LA138

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 FLT EXPERIENCED AN ENG FAILURE AT AN ALT OF APRX 8 FT AGL SHORTLY AFTER TAKEOFF AND THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE WHEN A HARD LANDING WAS MADE. POST ACCIDENT INSPECTION OF THE ENG REVEALED THE PWR TURBINE WHEEL EXPERIENCED A LOSS OF TWO TURBINE BLADES WHICH IN TURN CAUSED THE TURBINE SECTION OF THE ENG TO SEIZE, SHEARING THE DRIVE SHAFT TO THE COMPRESSOR SECTION OF THE ENG. THE FAILURE POINT OF THE TWO TURBINE BLADES REVEALED BURNING WHICH IS EVIDENT OF PRE-EXISTING CRACKS.

Quoted verbatim from the NTSB record.