Casualties unknown

Helicopter Collides with Ground During Low-Level Maneuvers (N7448F)

Saluda, SC, US

On June 22, 1990, a Hughes 269C (registration N7448F) was involved in an aviation accident near Saluda, SC. Investigators recorded the probable cause as: PILOT'S FAILURE TO PROPERLY PLAN FOR HIGH DENSITY ALTITUDE OPERATIONS, WHICH RESULTED IN SETTLING WITH POWER TO THE GROUND. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

A helicopter practicing low-level maneuvers for utility line observation descended and struck the ground during a right turn in high-temperature conditions.

Incident Overview

A helicopter conducting low-level maneuvers for utility line observation collided with the ground during a training flight. The purpose of the flight was to practice techniques for observing utility lines from low altitudes.

Environmental Conditions

The temperature at the time of the incident was in excess of 100 degrees Fahrenheit. The pilot was operating the helicopter at an altitude of 100 feet above ground level at slow airspeeds. The density altitude was estimated at 4,200 feet.

Sequence of Events

According to the pilot's account, the helicopter began a right turn. Shortly after initiating the turn, the helicopter began descending. The pilot reported adding power in an attempt to arrest the descent, but the helicopter continued settling until it collided with the ground.

Outcome

The helicopter struck the ground following the uncontrolled descent. No further details regarding the extent of damage or injuries were provided in the initial report.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X23329. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.