Aircraft Accident/Incident Report

Benson, Arizona 85602
Wednesday, September 21, 1994 13:00 MST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT HE FELT A VIBRATION AND ELECTED TO EXECUTE A PRECAUTIONARY LANDING TO A CONFINED AREA. DURING THE LANDING APPROACH, THE PILOT OBSERVED HIGH VEGETATION IN THE SELECTED LANDING AREA AND INITIATED A GO-AROUND. DURING THE GO-AROUND, THE MAIN ROTOR RPM DECAYED AND THE HELICOPTER LANDED HARD AND ROLLED OVER. EXAMINATION OF THE HELICOPTER DISCLOSED NO EVIDENCE OF ANY PREEXISTING MALFUNCTIONS OR FAILURES.

NTSB Probable Cause Narrative

the pilot's failure to maintain adequate main rotor rpm during a go-around attempt.

Event Information

Type of Event Accident
Event Date 9/21/1994
Event Day of the Week Wednesday
Time of Event 1300
Event Time Zone Mountain Standard Time
Event City BENSON
Event State ARIZONA
Event Country --
Zipcode of the event site 85602
Event Date Year 1994
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 6008
NTSB Notification Source --
NTSB Notification Date Sep 21 1994 12:00AM
NTSB Notification Time 1515
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 12:16PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number VCHOS
NTSB Number LAX94LA371
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name ROBINSON
Aircraft Model R-22
Aircraft Series Identifier R-22
Aircraft Serial Number 619
Certified Max Gross Weight 1315
Aircraft Category Helicopter
Aircraft Registration Class Foreign Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Sep 9 1994 12:00AM
Airframe hours since last inspection 5
Airframe Hours 1354
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HELIJET WHITSUNDAY PTY LTD
Aircraft Owner Street Address 8TH FLOOR 141 QUEEN STREET
Aircraft Owner City BRISBANE
Aircraft Owner State OF
Aircraft Owner Country
Aircraft Owner Zipcode 4000
Operator is an individual? --
Operator Name SAME AS REGISTERED OWNER
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address SAME AS REGISTERED OWNER
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Ferry
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code GDY
Departure City GOODYEAR
Departure State AZ
Departure Country
Departure Time 1100
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code F67
Destination City GRAND PRAIRIE
Destination State TX
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --