Robinson Helicopter R44 N8337Z accident near Sandusky, Michigan

Jul 15, 2015 · NTSB number GAA15CA227 · Final report

Probable cause

The pilot's failure to monitor the landing environment while operating in a confined off-airport site resulting in a wire strike and substantial damage to the helicopter.

NTSB analysis

The pilot reported that after landing at a remote off-airport site, he was informed by the site owner that the helicopter had collided with a wire during the landing approach. The pilot stated that "I didn't feel anything" when the owner of the field informed him that he struck the wires. The pilot reported that prior to departing on the next leg of his flight he performed a preflight inspection and found a "slight scratch on the tail rotor". The pilot stated that, "the helicopter sounded and felt okay" during the pre-takeoff run-up, and he departed for his home where the helicopter is stored. A post-accident inspection revealed that the helicopter sustained substantial damage to the tail rotor drive system.

The pilot stated that there were no pre-accident malfunctions or anomalies that would have prevented normal flight operation.

Text from the NTSB. Open the NTSB docket for GAA15CA227 for the full record.

Event

Date
Jul 15, 2015
Type
Accident
Place
Sandusky, Michigan
Highest injury
None
Weather
Visual (VMC)
Light
Day

Robinson Helicopter R44

N-number
N8337Z
Category
Helicopter
Year built
1996
Damage
Substantial
Operating rule
Part 91 (general aviation)
Purpose of flight
Personal

From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.