On November 25, 1987, a Cessna 172M (registration N21460) operated by Hillsboro Helicopters, Inc. was involved in an aviation accident near Hillsboro, OR. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 2 related events involving the same aircraft type or operator are linked below.
A daily radio traffic reporting flight, cleared for IFR departure in IMC, struck trees and a powerline shortly after takeoff from Hillsboro Airport. The aircraft was observed low and slow, then entered a shallow right turn before impact.
Accident Details
A daily radio traffic reporting flight was cleared for an IFR departure from Hillsboro Airport while operating in instrument meteorological conditions (IMC). The owner/operator of the aircraft stated that the company had a 'no IFR' policy. During the takeoff, witnesses observed the aircraft to be lower and slower than normal. Approximately 100 feet above ground level (AGL) past the runway midpoint, the aircraft entered a shallow right turn. The aircraft subsequently collided with 35-foot trees and a powerline located 600 feet from the runway centerline and approximately 135 degrees off the runway heading.
Investigation Findings
Investigation revealed no preimpact mechanical malfunctions or failures. The aircraft was found to have been in proper working order at the time of the accident. No further causal factors were identified by the investigation.
Aircraft and Operational Context
The aircraft was operating under IFR clearance from Hillsboro Airport in IMC conditions. The company's stated policy prohibiting IFR operations was noted, though the flight was cleared for such a departure. No details regarding the aircraft type, registration, or number of occupants were provided in the investigation report.