Scottsdale Muni Airport
Aircraft Accident/Incident Report

Scottsdale, Arizona 85260
Thursday, August 10, 1989 11:40 MST

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PILOT WAS PRACTICING TAKEOFFS AND LANDINGS ON HIS SECOND SUPERVISED SOLO FLIGHT. AS HE WAS BEGINNING HIS SECOND TAKEOFF, HE LOST CONTROL OF THE HELICOPTER. DURING THE OCCURRENCE, THE RIGHT SKID CONTACTED THE GROUND AND THE HELICOPER ROLLED-OVER ONTO ITS RIGHT SIDE. A POST ACCIDENT INVESTIGATION DISCLOSED CONTINUITY OF THE FLIGHT CONTROL SYSTEM; NO PRE-ACCIDENT ABNORMALITIES WERE OBSERVED.

NTSB Probable Cause Narrative

IMPROPERLY USE OF THE FLIGHT CONTROLS BY THE PILOT AND HIS FAILURE TO MAINTAIN CONTROL OF THE HELICOPTER.

Event Information

Type of Event Accident
Event Date 8/10/1989
Event Day of the Week Thursday
Time of Event 1140
Event Time Zone Mountain Standard Time
Event City SCOTTSDALE
Event State ARIZONA
Event Country --
Zipcode of the event site 85260
Event Date Year 1989
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SCOTTSDALE MUNI
Event Location Nearest Airport ID SDL
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1509
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1135 Mountain Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID SDL
Elevation of weather observation facility 1509
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 15000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 40
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 19
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1463
NTSB Notification Source --
NTSB Notification Date Aug 10 1989 12:00AM
NTSB Notification Time 1450
Fiche Number and/or location -used to find docket information 39809
Date of most recent change to record Dec 13 2000 12:58PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8477B
NTSB Number LAX89LA251
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 R22
Aircraft Series Identifier R22
Aircraft Serial Number 0394
Certified Max Gross Weight 2400
Aircraft Category Helicopter
Aircraft Registration Class U.S. 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 Continuous Airworthiness
Date of Last Inspection Aug 4 1989 12:00AM
Airframe hours since last inspection 20
Airframe Hours 2818
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ARIZONA WING AND ROTOR
Aircraft Owner Street Address 14605 N. AIRPORT DR. #330
Aircraft Owner City SCOTTSDALE
Aircraft Owner State AZ
Aircraft Owner Country
Aircraft Owner Zipcode 85252
Operator is an individual? --
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 Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation External Load
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) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code SDL
Departure City
Departure State
Departure Country
Departure Time 1120
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code SDL
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
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 --