NTSB AVIATION ACCIDENT/INCIDENT DATABASE REPORT

LAX84LA366.html
1984 1n, on airport	

   Data Source:                          NTSB AVIATION ACCIDENT/INCIDENT DATABASE
   Report Number:                        LAX84LA366 
   Local Date:                           06/25/1984
   Local Time:                           1420 PDT
   State:                                CA    
   City:                                 CONCORD                            
   Airport Name:                         BUCHANAN FIELD           
   Airport Id:                           CCR   
   Event Type:                           ACCIDENT
   Injury Severity:                      NONE   
   Report Status:                        FINAL      
   Mid Air Collision:                    NO 

   Category of Operation:                GENERAL AVIATION       
   Aircraft Type:                        HELICOPTER     
   Aircraft Damage:                      DESTROYED        
   Phase of Flight:                      570 LANDING                                           
   Aircraft Make/Model:                  BELL BHT-47-G2                  
   Operator Doing Business As:                                         
   Operator Name:                                                      
   Operator Code:                        
   Operator:                                                                       
   Owner Name:                           BARRY LLOYD                   

   ACCORDING TO A PLT/OPERATOR STATEMENT, THE STUDENT PLT WAS CLEARED FOR 
   A DOWNWIND APCH TO LAND ON "PAD 3." THE STUDENT STATED THAT THE APCH 
   WAS NORMAL UNTIL HE SLOWED TO 40 MPH & "MADE LEFT TURN TO FINAL 
   APPROACH INTO A CROSS WIND." DURING THE TURN TO FINAL APCH, THE STUDENT 
   ATTEMPTED TO COMMUNICATE WITH ATC TO REQUEST A TURN INTO THE WIND. 
   DURING THE DISCUSSION, THE STUDENT BECAME DISTRACTED. HE ALLOW THE 
   AIRSPEED TO DECAY & THE HELICOPTER BEGAN SETTLING WITH POWER. 
   SUBSEQUENTLY, THE HELICOPTER TOUCHED DOWN HARD IN A TAIL LOW ATTITUDE 
   & THE TAIL ROTOR SEPARATED. THE HELICOPTER THEN BEGAN TO ROTATE & THE 
   GEAR (SKID) SEPARATED.

   Occurrence #: 1  250 LOSS OF CONTROL - IN FLIGHT
   Phase of Operation: 560 APPROACH

           Findings
           Subject - Modifier - Personnel Cause/Factor

     1b.   24010(S) - 3109(M) - 4000(P)  Cause
           IN-FLIGHT PLANNING/DECISION - IMPROPER - PILOT IN COMMAND
     2a.   20000(S) - 2222(M)  Factor
           WEATHER CONDITION - TAILWIND
     2b.   24506(S) - 3138(M) - 4000(P)  Factor
           AIRSPEED - REDUCED - PILOT IN COMMAND
     2dir. 41110(S) - 5000(P)  Factor
           DIVERTED ATTENTION - PILOT IN COMMAND
     3b.   24524(S) - 3140(M) - 4001(P)
           DESCENT - UNCONTROLLED -             

   Occurrence #: 2  230 IN FLIGHT COLLISION WITH TERRAIN/WATER
   Phase of Operation: 560 APPROACH

           Findings
           Subject - Modifier - Personnel Cause/Factor


   Occurrence #: 3  195 OTHER GEAR COLLAPSED
   Phase of Operation: 600 OTHER

           Findings
           Subject - Modifier - Personnel Cause/Factor

     1a.   10417(S) - 1171(M)
           LANDING GEAR, SKID ASSEMBLY - OVERLOAD

   Number of Seats:                      3  
   Aircraft Use:                         INSTRUCTIONAL      
   Type of Operation:                    14 CFR 91 
   Domestic/International:                            
   Passenger/Cargo:                                        
   Registration Number:                  953   
   Air Carrier Operating Certificates:   
   Aircraft Fire:                        NONE

                  Injuries
          Fatal  Serious  Minor  None
   Crew      0       0       0      1
   Pass      0       0       0      0
   Other     0       0       0      0
   Invlvd    0       0       0      1

   Landing Gear:                         SKID
   Certificated Maximum Gross Weight:    2450
   Engine Make:                          LYCOMING     
   Engine Model:                         VO-435-A18   
   Number of Engines:                     1
   Engine Type:                          RECIPROCATING-CARBURETOR    

   Basic Weather Conditions:             VISUAL METEOROLOGICAL CONDITIONS (VMC)  
   Wind Direction (deg):                 300
   Wind Speed (knots):                   10
   Visibility (sm):                      30
   Visibility RVR (ft):                  0
   Visibility RVV (sm):                  0
   Cloud Height Above Ground Level (ft): 0
   Visibility Restrictions:              NONE
   Precipitation Type:                   NONE
   Light Condition:                      DAYLIGHT
   Departure Airport Id:                 LVK 
   Departure City:                       LIVERMORE      
   Departure State:                      CA
   Destination Airport Id:                   
   Destination City:                                    
   Destination State:                      
   Flight Plan Filed:                    VISUAL FLIGHT RULES (VFR)
   ATC Clearance:                        VFR
   VFR Approach/Landing:                 TRAFFIC PATTERN
   Event Location:                       ON AIRPORT

   Certificates:                         STUDENT
   Ratings:
     Plane:                              NONE
     Non-Plane:                          NONE
     Instrument:                         NONE
   Had Current BFR:                      NO
   Months Since Last BFR:                  
   Medical Certificate:                  CLASS 2
   Medical Certificate Validity:         VALID MEDICAL-WITH WAIVERS/LIMITATIONS

              Flight Time (Hours)
   Total       :     71  Last 24 Hrs :    2
   Make/Model  :     39  Last 30 Days:    0
   Instrument  :      0  Last 90 Days:   39
   Multi-Engine:      0  Rotorcraft  :   71