Bell 206B N1086Y

Summary

On 12 September 1984 at about 22:30 local time, a Bell 206B registered N1086Y, operated by Telestar Inc, was involved in an accident near Vernal, Utah, United States. 2 people were on board and one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

12 September 1984 at 22:30

Classification

Accident

Location

Vernal, Utah, United States

Coordinates

40.5501, -109.5694

Aircraft

Bell 206B

Registration

N1086Y

Category

Helicopter

Engines

1

Operator

Telestar Inc

Operating rule

Part 91: General Aviation

Purpose of flight

Business

Phase of flight

Not recorded

Route

Vernal → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

DEN84LA288

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

PLT STATED THAT WHILE ON A HEADING OF 050 DEGS (WIND FROM 270 DEGS AT 5 KTS) THE ACFT BEGAN TO SHUDDER AND VEERED TO THE RIGHT. PLT ATTEMPTED REMEDIAL ACTION BUT ACFT CONTINUED DESCENDING IN A RIGHT SPIRAL TO GROUND CONTACT. EXAMINATION OF THE HELICOPTER DID NOT DISCLOSE ANY MECHANINCAL FAILURE/MALFUNCTION. BELL HELICOPTER TEXTRON, INC., PUBLISHED INFORMATION LETTER 206-84-41 DATED JULY 6, 1984 IN WHICH IT DESCRIBES UNANTICIPATED RIGHT YAW AS, '... THE OCCURRENCE OF AN UNCOMMANDED RIGHT YAW RATE WHICH DOES NOT SUBSIDE OF ITS OWN ACCORD AND WHICH, IF NOT CORRECTED CAN RESULT IN LOSS OF AIRCRAFT CONTROL.' THE PLT WAS IN THE POST SOLO PHASE OF HIS HELICOPTER TRAINING. ONE PASSENGER WAS ON BOARD WHEN THE ACCIDENT OCCURRED.

Quoted verbatim from the NTSB record.