Grand Prairie Airport
Aircraft Accident/Incident Report

Grand Prairie, Texas 75051
Monday, March 7, 1983 18:25 CST

NTSB Narrative Summary Released at Completion of Accident

THE PLT & FLT EXAMINER WERE ON AN EVALUATION FLT AFTER THE PLT'S FLT INSTRUCTOR HAD RECOMMENDED HIM FOR A CFI CHECK FLT. TO DEMONSTRATE A HOVERING AUTOROTATION, THE PLT HAD SELECTED AN AREA OF SOFT TURF THAT SLOPTED DOWNHILL. THE EXAMINER STATED THAT AFTER THE PLT CLOSED THE THROTTLE, THE HELICOPTER DESCENDED NORMALLY; HOWEVER, THE PLT APPLIED EXCESSIVE COLLECTIVE PITCH. THE EXAMINER REPORTED THAT AT THE MOMENT OF TOUCHDOWN, THE HELICOPTER RESPONDED TO COLLECTIVE INPUT, CAME OFF THE GROUND IN A NOSE LOW ATTITUDE, THEN TOUCHED DOWN ON THE TOES OF THE SKIDS ROLLED & OVER. REPORTEDLY, THE EXAMINER GRABBED FOR THE CYCLIC IN AN INSTINCTIVE EFFORT TO REGAIN CONTROL OF THE HELICOPTER, BUT MISSED THE HANDLE DUE TO THE UNIQUE CONTROL CONFIGURATION OF ACFT. THE PLT'S HELICOPTER TRAINING HAD BEEN IN 2 ROBINSON R22'S, THE NEWER OF WHICH WAS EQUIPPED WITH THE HEAVIER HP ROTOR BLADES. THE HP BLADES HAD A DIFFERENT AFFECT ON THE HELICOPTER'S RESPONSE & FLT CHARACTERISTICS DURING AUTOROTATIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 3/7/1983
Event Day of the Week Monday
Time of Event 1825
Event Time Zone Central Standard Time
Event City GRAND PRAIRIE
Event State TEXAS
Event Country --
Zipcode of the event site 75051
Event Date Year 1983
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GRAND PRAIRIE
Event Location Nearest Airport ID F67
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 590
Weather Briefing Completeness Not pertinent
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) 10
Air Temperature at event time (in degrees celsius) 20
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 290
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 14
Altimeter Setting at event time (in. Hg) 30
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) 2333
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22668
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8373J
NTSB Number FTW83FA143
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
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 318
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 Mar 3 1983 12:00AM
Airframe hours since last inspection 10
Airframe Hours 212
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JAMES & LARRY COKER
Aircraft Owner Street Address 3114 S. GREAT S.W. PARKWAY
Aircraft Owner City GRAND PRAIRIE
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 75051
Operator is an individual? --
Operator Name COKER HELICOPTERS
Operator Same as Owner? No
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 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
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --