Gardiner Airport
Aircraft Accident/Incident Report

Gardiner, Montana 59030
Wednesday, May 30, 2001 8:00 MDT

NTSB Narrative Summary Released at Completion of Accident

During the takeoff roll, the pilot failed to rotate the gyrocopter until he was well past the normal takeoff rotation speed. When he did rotate, he did so abruptly, causing the rotor blades to stall. The blades then flapped downwards, impacting the terrain and cutting the tail off the aircraft.

NTSB Probable Cause Narrative

the pilot's failure to rotate the aircraft until he was well past the normal takeoff rotation speed, and his abrupt rotation at this higher speed.

Event Information

Type of Event Accident
Event Date 5/30/2001
Event Day of the Week Wednesday
Time of Event 800
Event Time Zone Mountain Daylight Time
Event City Gardiner
Event State MONTANA
Event Country --
Zipcode of the event site 59030
Event Date Year 2001
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport Gardiner Airport
Event Location Nearest Airport ID 29S
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 5286
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 10
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 5
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 10356
NTSB Notification Source Helena FADO
NTSB Notification Date May 30 2001 12:00AM
NTSB Notification Time 845
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jul 30 2001 11:11AM
User who most recently changed record MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Helena FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2361S
NTSB Number SEA01LA107
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Herriford
Aircraft Model RAF 2000
Aircraft Series Identifier --
Aircraft Serial Number H2-98-9-395
Certified Max Gross Weight 1540
Aircraft Category Gyrocraft
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Annual
Date of Last Inspection May 29 2001 12:00AM
Airframe hours since last inspection 1
Airframe Hours 72
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name Richard R. Herriford
Aircraft Owner Street Address P.O. Box 10
Aircraft Owner City Gardiner
Aircraft Owner State MT
Aircraft Owner Country USA
Aircraft Owner Zipcode 59030
Operator is an individual? No
Operator Name --
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City --
Operator State --
Operator Country --
Operator Zip code --
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code 29S
Departure City Gardiner
Departure State MT
Departure Country USA
Departure Time 800
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code --
Destination City --
Destination State --
Destination Country --
Specific Phase of Flight Takeoff
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record Jun 20 2001 5:08PM
User who most recently changed record STAM
Since inspection or accident Time of Accident
Event Location Runway Number and Location 01
Runway Length 3300
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --