Bell 206B III N2204Z

Summary

On 20 October 1986 at about 15:00 local time, a Bell 206B III registered N2204Z was involved in an accident near Nashville, Tennessee, United States. 3 people were on board and one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

20 October 1986 at 15:00

Classification

Accident

Location

Nashville, Tennessee, United States

Nearest airport

Nashville Metropolitan (BNA)

Coordinates

Not recorded

Aircraft

Bell 206B III

Registration

N2204Z

Category

Helicopter

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Nashville → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

ATL87FA009

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 PLT WAS IN A DESCENT TOWARD A BUILDING IN A DOWNTOWN AREA WHICH HE WANTED AERIAL PHOTOGRAPHS OF. AT ABOUT 1700 FT AGL HE REPORTED THE HELICOPTER JERKED HARD AND YAWED TO THE LEFT. HE INITIATED AN AUTOROTATION AND DURING THE DESCENT TO THE SELECTED LANDING SITE HE HAD TO BLEED OFF ROTOR RPM TO CLEAR WIRES ACROSS THE APCH PATH. A HARD LANDING RESULTED IN A STREET INTERSECTION. POST ACCIDENT INSPECTION REVEALED THE SPUR ADAPTER GEARSHAFT FORWARD SPLINES WERE SEVERELY WORN. THE FORWARD END OF THE GEARSHAFT WAS FRACTURED. THE FRACTURE HAD ORIGINATED FROM THE SHAFT SPLINE TEETH. THE OIL DELIVERY TUBE FOR THE FORWARD SPLINE LUBRICATION DID NOT MEET REQUIREMENTS ESTABLISHED BY THE ENGINE MANUFACTURER.

Quoted verbatim from the NTSB record.