ACFT ON URGENT MEDIVAC & WAS DIVERTED TO SUPPORT PAD TO PICK UPTOOLS FOR GND UNIT TO CUT LZ WHILE SITTING ON PAD A JEEP WITH WHIP ANTENNA PULLED UP NEXT TO ACFT M/R BLADES HIT ANTENNA CAUSING MINOR BLADE DMG \
Information on U.S. Army helicopter UH-1D tail number 66-16276
The Army purchased this helicopter 0467
Total flight hours at this point: 00002177
Date: 02/03/1971
Accident case number: 710203151 Total loss or fatality Accident
Unit: 92 AHC
The station for this helicopter was Dong Ba Thin in South Vietnam
Number killed in accident = 0 . . Injured = 7 . . Passengers = 3
costing 244345
Original source(s) and document(s) from which the incident was created or updated: Defense Intelligence Agency Helicopter Loss database. Army Aviation Safety Center database. Also: OPERA (Operations Report. )
Loss to Inventory
Crew Members:
AC W1 LATER DE
P X1 BE TV
CE E4 CESSAN NB
G E4 ARMSTRONG D
Passengers:
, PAX, D;
, PAX, D;
, PAX, D;
Accident Summary:
ON 3 FEB 71, AT 0700 HOURS, ARMY AIRCRAFT UH-1H, ^SN: 66-16276^ DEPARTED DONG BA THIN FOR A RE-SUPPLY MISSION WITH THE ^29TH ROK REGIMENT^. AT 1200 HOURS THE CREW SHUTDOWN FOR LUNCH AT NINH HOA. AT 1530 THEY DEPARTED NINH HOA WITH CARGO AND PASSENGERS CONSISTING OF 20 CASES OF C-RATIONS, 3 FIVE GALLON WATER CANS, AND 3 KOREANS. ^2LT BE, VNAF^ FLEW THE AIRCRAFT TO THE LZ AT AN ALTITUDE OF 300 FEET INDICATED. SINCE THIS WAS THE FIRST TIME INTO THE LZ, A HIGH RECONNAISSANCE WAS MADE FOLLOWED BY A LEFT DESCENDING TURN TO INITIATE THE APPROACH. THE KOREANS ON THE GROUND "POPPED" SMOKE WHICH INDICATED THE WINDS WERE CALM IN THE LZ. ON FINAL ^LT. BE^ HAD NOT LOST SUFFICIENT ALTITUDE PRIOR TO REACHING THE LZ, NECESSITATING A VERTICAL DESCENT. STOPPING ALL FORWARD MOTION AT 100-150' AND WITHOUT STABILIZING AT HOVER, ^LT BE^ CONTINUED A DESCENT TO THE LZ BY REDUCING COLLECTIVE. DURING THIS DESCENT THE SINK RATE BECAME EXCESSIVE. REALIZING THE SINK RATE WAS HIGH, ^LT BE^ APPLIED COLLECTIVE TO SLOW THEDESCENT. THE FAST DESCENT STILL CONTINUED AND THE ROTOR RPM BEGAN TO DETERIORATE. THE LOW RPM AUDIO CAME ON AS ^WO1 LATER^ THE AIRCRAFT COMMANDER, TOOK THE CONTROLS. STILL DESCENDING AND WITH 5700 RPM, THE AC PULLED THE REMAINING COLLECTIVE PITCH TO CUSHION THE LANDING. THE AIRCRAFT HIT HARD IN A LEVEL ATTITUDE AND BOUNCED ABOUT 4 FEET STARTING A 180 TURN TO THE RIGHT. THE AIRCRAFT HIT THE GROUND A SECOND TIME APPROXIMATELY 90 TO THE ORIGINAL FLIGHT PATH. IT ROLLED TO THE RIGHT DOWN A 30 ROCK SLOPE TEARING OFF THE MAIN ROTOR BLADES. THE AIRCRAFT ROLLED 11/2 TIMES AND CAME TO REST INVERTED IN A RELATIVELY LEVEL AREA. THE ENGINE CONTINUED TO RUN SO THE AC SHUT OFF THE FUEL. HE WAS UNABLE TO REACH THE FLIGHT IDLE DETENT RELEASE SO THE ENGINE RAN FOR ABOUT 30 SECONDS UNTIL FUEL STARVATION. THE AC MADE A "MAYDAY" CALL, COMPLETED SHUTDOWN, AND EXITED THE AIRCRAFT. THE PILOT AND THE REST OF THE CREW IMMEDIATELY LEFT THE AIRCRAFT FOR FEAR OF FIRE. ONE KOREAN PASSENGER HAD HIS LEGS PINNED UNDER THE AIRCRAFT. SEVERAL KOREAN SOLDIERS CAME TO THE CRASH SIGHT AND HELPED THE CREW RAISE THE AIRCRAFT UNTIL THE TRAPPED KOREAN COULD BE FREE. THE EXTENT OF INJURY TO THE KOREAN PASSENGER IS UNKNOWN. THE AIRCRAFT DID NOT BURN AND DID NOT HAVE CRASH WORTHY FUEL CELLS. A KOREAN COMPANY PROVIDED SECURITY FOR THE AIRCRAFT.\\
The following is Goldbook
information on US Army helicopter UH-1D tail number 66-16276
It is provided here as an ESTIMATE of the history of this helicopter
and is not intended to be the final authority.
This helicopter was purchased by the US Army in 0467.
Please provide any additional information on this helicopter to the VHPA.
DATE FLT HRS UIC UNIT AREA POST COUNTRY 6704 1 1 WQ1CAA GEN SUPPLY DIV 4THARMY RED RIVER AD AVCOM 6705 0 1 9221 ARMY AVN DIV 6TH ARMY DUGWAY PG TEVALCOM 6706 0 1 9221 USARV FLT DET VIETNAM RVN 6707 21 22 WDFJAA 134 AVN CO 3RD ARMY FORT BRAGG 3RD ARMY 6708 28 50 WDFJAA 134 AVN CO 3RD ARMY FORT BRAGG 3RD ARMY 6709 32 82 WDFJAA 134 AVN CO 3RD ARMY FORT BRAGG 3RD ARMY 6710 0 82 WDFJAA 134 AVN CO 3RD ARMY FORT BRAGG 3RD ARMY 6711 0 82 WC07AA 134 ASLT HEL CO VIETNAM RVN 6712 31 113 3451 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6801 0 113 3451 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6802 0 113 3451 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6803 31 144 3235 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6804 37 181 3451 BELL HCPTR BAILMENT FT WORTH AVCOM 6805 51 232 3451 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6806 0 232 3451 355 AVN CO 4TH ARMY FORT SILL 4TH ARMY 6807 62 294 3451 OPM SEA NITEOPS 1ST ARMY FORT BELVOIR AMC 6808 58 352 3451 HHD 44 ENG GP THAILAND PACIFIC 6809 94 446 3451 HHD 44 ENG GP THAILAND PACIFIC 6810 42 488 3451 HHD 44 ENG GP THAILAND PACIFIC 6811 77 565 WBSYAA 254 MED DET VIETNAM RVN 6812 49 614 WBSYAA 254 MED DET VIETNAM RVN 6901 65 679 WBSYAA 254 MED DET VIETNAM RVN 6902 48 727 WBSYAA 254 MED DET VIETNAM RVN 6903 33 760 WBSYAA 254 MED DET VIETNAM RVN 6904 52 812 WBSYAA 254 MED DET VIETNAM RVN 6905 76 888 WBSYAA 254 MED DET VIETNAM RVN 6906 55 943 WBSYAA 254 MED DET VIETNAM RVN 6907 62 1005 WBSYAA 254 MED DET VIETNAM RVN 6908 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 6909 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 6910 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 6911 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 6912 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 7001 0 1005 WC5EAA 608 TRANS CO VIETNAM RVN 7002 52 1057 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7003 97 1154 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7004 174 1328 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7005 147 1475 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7006 104 1579 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7007 78 1657 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7008 111 1768 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7009 112 1880 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7010 91 1971 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7011 50 2021 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7012 60 2081 WAX6AA 92 ASLT HEL CO VIETNAM RVN 7101 96 2177 WAX6AA 92 AHC VIETNAM RVN 7102 0 2177 WC5EAA 608 TC DS VIETNAM RVN
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