No fatalities

Two Helicopters Collide During Mail Delivery Operation (N156L)

West Palm Beach, FL, US

On June 14, 1985, a Bell 206B (registration N156L) operated by Air Coastal Helicopter,inc. was involved in an aviation accident near West Palm Beach, FL. No fatalities were reported. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

Two helicopters collided after a mail delivery flight: N156L struck N159L while hovering. Both pilots sustained minor injuries. The pilot of N156L attributed the collision to a wind gust, though reported winds were 6 knots without gusts.

Incident Overview

Two helicopters, registered as N159L and N156L, were involved in a collision following a mail delivery operation conducted as a flight of two. The accident occurred after both aircraft had completed their deliveries.

Sequence of Events

N159L had landed, and its pilot left the engine running to allow the engine operating temperature to stabilize. Meanwhile, N156L approached in a ground hover and subsequently collided with N159L.

Injuries and Pilot Statement

Both pilots received minor injuries as a result of the collision. The pilot of N156L stated that a gust of wind blew him into N159L.

Weather Conditions

The reported winds at the time of the accident were from 140 degrees at 6 knots, with no gusts reported.

All Bell 206 accidents →

Frequently asked questions

What happened in the 14 Jun 1985 Bell 206B accident near West Palm Beach, FL?

Two helicopters collided after a mail delivery flight: N156L struck N159L while hovering. Both pilots sustained minor injuries. The pilot of N156L attributed the collision to a wind gust, though reported winds were 6 knots without gusts.

Were there any fatalities in the 14 Jun 1985 Bell 206B accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 14 Jun 1985 involved a Bell 206B, registration N156L, operated by Air Coastal Helicopter,inc., at West Palm Beach, FL.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001214X36850. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.