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General Information

Data Source:                          NTSB AVIATION ACCIDENT/INCIDENT DATABASE
   Report Number:                        CHI90LA231 
   Local Date:                           08/14/1990
   Local Time:                           14:45 CDT
   State:                                ND    
   City:                                 GRAND FORKS                        
   Airport Name:                                                  
   Airport Id:                           6NA9  
   Event Type:                           ACCIDENT
   Injury Severity:                      NONE   
   Report Status:                        FINAL      
   Mid Air Collision:                    NO 

Operations Information

Category of Operation:                GENERAL AVIATION       
   Aircraft Type:                        HELICOPTER     
   Aircraft Damage:                      DESTROYED        
   Phase of Flight:                      570 LANDING                                           
   Aircraft Make/Model:                  HUGHES HU-369-E                 
   Operator Doing Business As:                                         
   Operator Name:                                                      
   Operator Code:                            
   Operator:                                                                       
   Owner Name:                           UNIVERSITY OF NORTH DAKOTA    

Narrative

THE INSTRUCTOR PILOT (CFI) AND DUAL STUDENT WERE MAKING A RU N-ON 
   LANDING WITH THE CFI RIDING THE CONTROLS AS THE DUAL STUDENT FLEW THE 
   HELICOPTER.  THE STUDENT WAS USING THE THRO TTLE FOR YAW CONTROL. 
   REPORTEDLY, HE ROLLED OFF TOO MUCH THROTTLE, AND THE CFI ANNOUNCED, "I 
   HAVE IT."  THE STUDENT W AS SLOW TO RELINQUISH AND THE CFI EXPERIENCED 
   DIFFICULTY ROLLING THE THROTTLE UP WITH THE STUDENT STILL ON THE CONTRO 
   LS.  THE CFI INITIATED A FLARE, BUT THE TAIL ROTOR STRUCK A VEHICLE 
   BARRICADE.  THE BARRICADE WAS LOCATED NEAR THE APPRO ACH END OF THE 
   RUNWAY, AND IT PROJECTED ABOUT 12 INCHES ABOVE THE RUNWAY SURFACE.

Sequence of Events

Occurrence #: 1  390 UNDERSHOOT
   Phase of Operation: 564 APPROACH - VFR PATTERN - FINAL APPROACH

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1b.   24531(S) - 3122(M) - 4001(P)  Cause
         PROPER TOUCHDOWN POINT - NOT ATTAINED -             
   2b.   24542(S) - 3104(M) - 4103(P)  Cause
         REMEDIAL ACTION - DELAYED - PILOT IN COMMAND (CFI)
   3b.   24706(S) - 3104(M) - 4101(P)  Factor
         RELINQUISHING OF CONTROL - DELAYED - DUAL STUDENT

   Occurrence #: 2  220 IN FLIGHT COLLISION WITH OBJECT
   Phase of Operation: 571 LANDING - FLARE/TOUCHDOWN

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1a.   20200(S) - 2527(M)  Factor
         OBJECT - WALL/BARRICADE

Probable Cause

THE INSTRUCTOR PILOT'S (CFI'S) DELAY IN TAKING REMEDIAL ACTION AFTER HE 
   AND/OR THE STUDENT FAILED TO ATTAIN THE PROPER TOUCHDOWN POINT FOR A 
   RUN-ON LANDING.  FACTORS RELATED TO THE ACCIDENT WERE: THE PROXIMITY OF 
   THE BARRACADE AND THE STUDENT'S DELAY IN RELINQUISHING CONTROL OF THE HELICOPTER.

Aircraft Information

Number of Seats:                      4  
   Aircraft Use:                         INSTRUCTIONAL      
   Type of Operation:                    14 CFR 91 
   Domestic/International:                            
   Passenger/Cargo:                                        
   Registration Number:                  841LA 
   Air Carrier Operating Certificates:   
   Aircraft Fire:                        NONE

                  Injuries
          Fatal  Serious  Minor  None
   Crew      0       0       0      2
   Pass      0       0       0      0
   Other     0       0       0      0
   Invlvd    0       0       0      2

   Landing Gear:                         SKID
   Certificated Maximum Gross Weight:    3000
   Engine Make:                          ALLISON      
   Engine Model:                         250-C20B     
   Number of Engines:                    1 
   Engine Type:                          TURBO SHAFT                 

Environment/Operations Information

Basic Weather Conditions:             VISUAL METEOROLOGICAL CONDITIONS (VMC)  
   Wind Direction (deg):                 340
   Wind Speed (knots):                   10
   Visibility (sm):                      15
   Visibility RVR (ft):                  0
   Visibility RVV (sm):                  0
   Cloud Height Above Ground Level (ft): 5000
   Visibility Restrictions:              NONE
   Precipitation Type:                   NONE
   Light Condition:                      DAYLIGHT
   Departure Airport Id:                 GFK 
   Departure City:                       GRAND FORKS
   Departure State:                      ND
   Destination Airport Id:                   
   Destination City:                     
   Destination State:                      
   Flight Plan Filed:                    NONE
   ATC Clearance:                        NONE
   VFR Approach/Landing:                 TRAFFIC PATTERN, SIMULATED FORCED LANDING
   Event Location:                       ON AIRPORT

Pilot-in-Command

Certificates:                         COMMERCIAL, FLIGHT INSTRUCTOR
   Ratings:
     Plane:                              SINGLE ENGINE LAND
     Non-Plane:                          HELICOPTER
     Instrument:                         AIRPLANE, HELICOPTER
   Had Current BFR:                      YES
   Months Since Last BFR:                10 
   Medical Certificate:                  CLASS 2
   Medical Certificate Validity:         VALID MEDICAL-NO WAIVERS/LIMITATIONS

              Flight Time (Hours)
   Total       :   2171  Last 24 Hrs :    0
   Make/Model  :    140  Last 30 Days:   45
   Instrument  :    218  Last 90 Days:   65
   Multi-Engine:    193  Rotorcraft  : 1488