6915949
Information on U.S. Army helicopter UH-1H tail number 69-15949
The Army purchased this helicopter 0171
Total flight hours at this point: 00000152
Date: 04/23/71
Accident case number: 710423151
Unit: 48 AHC
The station for this helicopter was Dong Ha in
Number killed in accident = 0 . . Injured = 0 . . Passengers = 0
costing 61000
Crew Members:
AC O3 LEWIS FM
P W1 CHALK JW
CE E4 DECKARD LA
G E4 DEARMON CE
Accident Summary:
DURING AN EXTRACTION OF SEVEN TROOPS FROM A PZ NEAR FIREBASE ANNE THE PILOT TOLD THE AIRCRAFT COMMANDER THAT THE TORQUEMETER READ ZERO WHILE THEY WERE STILL IN THE PZ. THE AREA WAS NOT SECURE AND THE AIRCRAFT COMMANDER ELECTED TO FLY THE AIRCRAFT UTILIZING THE N1 GAS PRODUCER. THE GAS PRODUCER READ APPROXIMATELY 96% DURING DEPARTURE FROM THE PZ, 94.5% AT CRUISE. SHORTLY AFTER DEPARTURE THE AIRCRAFT COMMANDER NOTED THAT THE RPM WAS AT 6200 AND GOING DOWN. AT THE SAME TIME THE CREW CHIEF TOLD HIM THAT THE TRANSMISSION WAS SLOWING DOWN. AT 6000 RPM THE WARNING LIGHT AND AUDIO SIGNAL CAME ON AND THE AIRCRAFT COMMANDER ROLLED OFF THROTTLE AND ENTERED AUTOROTATION AT 5900 RPM AND APPROXIMATELY 900 FEET AGL. HE EXECUTED A 180 DEGREE TURN IN SEARCH FOR AN AREA TO SET THE AIRCRAFT DOWN, STABALIZED THE ROTOR RPM IN THE GREEN, APPROXIMATELY 320 RPM AND THEN CHECKED HIS N1 WHICH READ 71%9 HE INSTRUCTED THE PILOT TO PUT THE GOVERNOR SWITCH IN THE EMERGENCY POSITION, WHICH THE PILOT DID, AND THE AIRCRAFT COMMANDER BEGAN ROLLING THE THROTTLE BACK ON. AT THE SAME TIME HE BEGAN ROLLING THE THROTTLE BACK ON HE WAS INITIATING HIS DECELERATION IN PREPARATION FOR TOUCHDOWN. HE THEN DECIDED THAT HE COULD NOT REGAIN OPERATING RPM PRIOR TO TOUCHDOWN AND ROLLED THE THROTTLE BACK OFF AND COMPLETED THE AUTOROTATION. AS THE AIRCRAFT FELL STRAIGHT DOWN BETWEEN SEVERAL TREES APPROXIMATELY TWENTY FEET TALL THE AIRCRAFT COMMANDER PULLED INITIAL PITCH AT APPROXIMATELY FIFTEEN FEET AND KEPT PULLING UNTIL ABOUT THREE FEET ABOVE THE SIX TO TEN FOOT ELEPHANT GRASS WHERE HE RAN OUT OF COLLECTIVE PITCH AND THE AIRCRAFT FELL THROUGH STRIKING THE GROUND LEVEL. THE TAIL BOOM EITHER HIT A TREE OR THE GROUND ON IMPACT WITH THE GROUND AND BROKE APPROXIMATELY TWO FEET AFT OF THE ATTACHING POINTS.
The following is Goldbook information on US Army helicopter UH-1H tail number 69-15949
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 0171.
Please provide any additional information on this helicopter to the VHPA.
DATE FLT HRS UIC UNIT AREA POST COUNTRY 7101 0 0 W0Y6AA AVSCOM FLT DET 5TH ARMY ST LOUIS AVSCOM 7102 15 15 WC3EAA 48 AHC VIETNAM RVN 7103 70 85 WC3EAA 48 AHC VIETNAM RVN 7104 67 152 WC3EAA 48 AHC VIETNAM RVN 7105 0 152 W0Y6AA AVSCOM FLT DET 5TH ARMY ST LOUIS AVSCOM 7106 0 152 W0Y6AA AVSCOM FLT DET 5TH ARMY ST LOUIS AVSCOM 7107 0 152 W0MCAA DIR DIST TRANS IN MAINT RED RIVER AD AVSCOM 7108 0 152 W0MCAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7109 0 152 W0MCAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7110 0 152 W0MCAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7111 0 152 W0MCAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7112 0 152 W0MCAA ARADMAC IN MAINT NAVAL AIR STN AVSCOM 7201 0 152 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7202 3 155 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7203 0 155 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7204 20 175 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7205 7 182 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7206 20 202 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7207 28 230 W2WJAA BEL HEL BAILMENT FT WORTH AVSCOM 7208 15 245 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7209 11 256 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7210 23 279 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7211 13 292 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7212 11 303 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7301 3 306 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7302 14 320 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7303 7 327 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7304 7 334 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7305 16 350 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7306 29 379 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7307 67 446 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7308 34 480 WJBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7309 17 497 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7310 12 509 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7311 15 524 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7312 6 530 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7401 0 530 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7402 3 533 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7403 0 533 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7404 2 535 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7405 4 539 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7409 33 593 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7410 11 604 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7411 7 611 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7412 10 621 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7501 5 626 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7502 6 632 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7503 1 633 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7504 0 633 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7505 0 633 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7506 3 636 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7507 14 650 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7509 22 693 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7510 5 698 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7511 8 706 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV 7512 15 721 WTBJAA 281ST AVN CO 5TH ARMY CAHOKIA RESV
Please send additions or corrections to:
Gary Roush
43 Overbrook Road
Painted Post, NY 14870