Aircraft Accident/Incident Report

Cook, Minnesota 55604
Saturday, June 14, 2008 20:22 CDT

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that he was cruising east in a helicopter. He made a 180 degree turn to the right, flew west for about 40 seconds, and made a 180 degree turn to right. The pilot reported that he rolled out of the turn, but the helicopter continued to turn right. He said that he landed flat, and the spinning helicopter rolled onto its right side. The helicopter was examined after the accident, and no preimpact anomalies were detected. The pilot's safety recommendation was, "Watch your airspeed when turning right so that your tail can still maintain control."

NTSB Probable Cause Narrative

The pilot not maintaining tail rotor effectiveness while turning in cruise.

Event Information

Type of Event Accident
Event Date 6/14/2008
Event Day of the Week Saturday
Time of Event 2022
Event Time Zone Central Daylight Time
Event City Cook
Event State MINNESOTA
Event Country --
Zipcode of the event site 55604
Event Date Year 2008
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 474918N
Event Location Longitude 0924126W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID CKC
Elevation of weather observation facility 1799
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator Unknown
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 23872
NTSB Notification Source FAA
NTSB Notification Date Jun 14 2008 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jul 30 2008 9:00AM
User who most recently changed record NTSB\johb
Basic weather conditions Visual Meteorological Cond
FAA District Office Minneapolis, MN, FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9357F
NTSB Number CHI08CA164
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 Hughes
Aircraft Model 269B
Aircraft Series Identifier --
Aircraft Serial Number 0044
Certified Max Gross Weight 1670
Aircraft Category Helicopter
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 1 2007 12:00AM
Airframe hours since last inspection --
Airframe Hours 4101
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ADRENALIN AIRSHOWS INC
Aircraft Owner Street Address 412 N COMMERCIAL ST
Aircraft Owner City BELLINGHAM
Aircraft Owner State WA
Aircraft Owner Country USA
Aircraft Owner Zipcode 98225
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) Other Work Use
Second Pilot on Board --
Departure Point Same as Event Yes
Departure Airport Code --
Departure City Cook
Departure State MN
Departure Country USA
Departure Time 2015
Departure Time Zone CDT
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 Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jun 30 2008 4:32PM
User who most recently changed record DINC
Since inspection or accident Last Inspection
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight Yes
Air Medical Flight No
Medical Flight --