Accident Robinson R22 Beta N2618Z, Tuesday 27 April 1993

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Date:	Tuesday 27 April 1993
Time:	20:50 LT
Type:	Robinson R22 Beta
Owner/operator:	Airburst Helicopters
Registration:	N2618Z
MSN:	0721
Year of manufacture:	1987
Total airframe hrs:	3861 hours
Engine model:	Lycoming O-360-J2A
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Murraysville, PA - United States of America
Phase:	Landing
Nature:	Private
Departure airport:	West Mifflin, PA (AGC
Destination airport:	(KAGC)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE NEWLY CERTIFICATED PRIVATE PILOT (ROTORCRAFT) WAS MAKING AN OFF AIRPORT HIGH APPROACH TO A PINNACLE WHEN HE EXPERIENCED LOW ROTOR RPM TWICE. THE FIRST TIME HE WAS ABLE TO RECOVER RPM, HOWEVER, HE WAS UNABLE TO RECOVER RPM THE SECOND TIME, AND MADE A HARD LANDING AND ROLLED OVER. EXAMINATION OF THE POWERPLANT AND DRIVE SYSTEM BY AN FAA AIRWORTHINESS INSPECTOR, 'FOUND NO REASON WHY THEY SHOULD NOT FUNCTION NORMALLY.'

Probable Cause: FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM, WHICH RESULTED IN A HARD LANDING AND ROLLOVER. A FACTOR RELATED TO THE ACCIDENT WAS THE PILOT'S LACK OF TOTAL HELICOPTER EXPERIENCE.

Accident investigation: