Air Park South Airport
Aircraft Accident/Incident Report

Ozark, Missouri 65721
Saturday, September 2, 1989 12:15 CDT

NTSB Narrative Summary Released at Completion of Accident

WHILE PRACTICING AUTOROTATION LANDINGS, THE TAIL BOOM BEGAN TO RISE AFTER TOUCHDOWN WHICH RESULTED IN THE HELICOPTER ROLLING TO THE RIGHT AND THE MAIN ROTOR BLADES STRIKING THE TERRAIN. THE HELICOPTER CAME TO REST ON IT'S RIGHT SIDE. ACCIDENT INVESTIGATION REVEALED THAT THE RIGHT SKID, FORWARD OF THE FRONT UPRIGHT HAD FRACTURED. THE BROKEN PORTION OF THE SKID HAD CUT A GROOVE IN THE GRASS A DISTANCE OF ABOUT 2 FEET BEFORE IMBEDDING ITSELF, CAUSING THE HELICOPTER TO STOP. THE FORWARD INERTIA BOUGHT THE TAIL BOOM UP WHICH RESULTED IN THE ROTOR STRIKE AND ROLL OVER.

NTSB Probable Cause Narrative

THE FAILURE OF THE DUAL STUDENT TO PROPERLY FLARE DURING AN AUTOROTATIVE LANDING RESULTING IN A HARD LANDING AND PARTIAL FAILURE OF THE RIGHT SKID. THE CFI ALSO FAILED TO PROPERLY MONITOR THE STUDENT'S ACTIONS ON THE FLIGHT CONTROLS.

Event Information

Type of Event Accident
Event Date 9/2/1989
Event Day of the Week Saturday
Time of Event 1215
Event Time Zone Central Daylight Time
Event City OZARK
Event State MISSOURI
Event Country --
Zipcode of the event site 65721
Event Date Year 1989
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport AIR PARK SOUTH
Event Location Nearest Airport ID 2K2
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 1340
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1215 Central Daylight Time
Direction of event from weather observation facility (degrees) 340
Weather Observation Facility ID SGF
Elevation of weather observation facility 1267
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 1200
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 60
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
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) 930
NTSB Notification Source --
NTSB Notification Date Sep 2 1989 12:00AM
NTSB Notification Time 1538
Fiche Number and/or location -used to find docket information 39043
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N182JR
NTSB Number MKC89LA195
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 BELL
Aircraft Model 47G
Aircraft Series Identifier 47G
Aircraft Serial Number 22
Certified Max Gross Weight 2350
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 100 Hour
Date of Last Inspection Jul 13 1989 12:00AM
Airframe hours since last inspection 76
Airframe Hours 10707
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name DICK HILL INT. FLIGHT SCHOOL
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address PO BOX 10603
Operator City SPRINGFIELD
Operator State MO
Operator Country
Operator Zip code 65808
Operator Code DICA
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code 2K2
Departure City OZARK
Departure State MO
Departure Country
Departure Time 1145
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 17
Runway Length 800
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --