ACFT MADE HOT/STEEP APPROACH TO LZ & HIT A TREE DAM M/R BLADES \
Information on U.S. Army helicopter UH-1D tail number 66-16701
The Army purchased this helicopter 0867
Total flight hours at this point: 00001862
Date: 03/27/1969
Accident case number: 690327421 Total loss or fatality Accident
Unit: 134 AHC
The station for this helicopter was Tuy Hoa in South Vietnam
Number killed in accident = 0 . . Injured = 5 . . Passengers = 3
costing 255907
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 W2 YALDEN RC
P W1 SOEDER GA
CE UNK DELACRUZ M
G UNK BERNARD RE
Passengers:
UNK UNK, PAX, G;
UNK UNK, PAX, G;
UNK J HORMAN, PAX, D;
Accident Summary:
AT APPROXIMATELY 1500 FEET OVER ^SONG CAU RVN^, THE CREW HEARD A LOUD BANG. THE CREWCHIEF STATES THAT THE NOISE CAME FROM THE BOTTOM OF THE TRANSMISSION, THE OTHER PERSONS ABOARD COULD ONLY SAY THAT THE NOISE CAME FROM THE REAR OF THE AIRCRAFT. THE AIRCRAFT COMMANDER ^CW2 YALDEN^, WAS AT THE CONTROLS. ^MR. YALDEN^ OBSERVED THAT HIS RPM HAD DROPPED TO APPROXIMATELY 6000, AT THIS TIME HE ENTERED AUTOROTATION BY PLACING THE COLLECTIVE FULL DOWN AND ROLLING OFF THROTTLE. THE AIRCRAFT WAS ALREADY HEADING INTO THE WIND NO TURN WAS REQUIRED. THE ENGINE REMAINED RUNNING WITH THE ENGINE RPM STABLIZING AT APPROXIMATELY 4300. ^MR. YALDEN^ STATES THAT HIS ROTOR RPM CONTINUED TO DECAY. ^MR. YALDEN^ HAD BY THIS TIME PLACED THE AIRCRAFT INTO A DIVE IN AN ATTEMPT TO REGAIN ROTOR RPM. AS HE APPROACHED THE GROUND ^MR. YALDEN^ DECIDED TO LAND IN A SHALLOW BAY. WHEN AT APPROXIMATELY 50 FEET, HE FLARED THE AIRCRAFT. THE STATES HIS ROTOR RPM WAS STILL DECAYING AND THAT HE WAS LOSING CONTROL OF THE AIRCRAFT. THE AIRCRAFT HIT THE GROUND SHORT OF THE WATER IN A TAIL LOW ATTITUDE. THE TAIL SECTION HIT SEVERAL TREES, THE MAIN ROTOR BLADE CUT THE TOP OUT OF ANOTHER. THE AIRCRAFT THEN TURNED END OVER END COMING TO REST UPSIDE DOWN IN APPROXIMATELY 2 FEET OF WATER.\\
The following is Goldbook
information on US Army helicopter UH-1H tail number 66-16701
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 0867.
Please provide any additional information on this helicopter to the VHPA.
DATE FLT HRS UIC UNIT AREA POST COUNTRY 6708 8 8 WCLQAA 335 TRANS CO VIETNAM RVN 6709 67 75 WGPQAA 335 AVN CO VIETNAM RVN 6710 98 173 WGPQAA 335 AVN CO VIETNAM RVN 6711 116 289 WGPQAA 335 AVN CO VIETNAM RVN 6712 107 396 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6801 132 528 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6802 90 618 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6803 118 736 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6804 86 822 WCLQAA 335 TRANS CO VIETNAM RVN 6805 79 901 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6806 131 1032 WGPQAA 335 ASLT HEL CO VIETNAM RVN 6807 89 1121 WC07AA 134 ASLT HEL CO VIETNAM RVN 6808 86 1207 WC07AA 134 ASLT HEL CO VIETNAM RVN 6809 82 1289 WC07AA 134 ASLT HEL CO VIETNAM RVN 6810 99 1388 WC07AA 134 ASLT HEL CO VIETNAM RVN 6811 73 1461 WC07AA 134 ASLT HEL CO VIETNAM RVN 6812 126 1587 WC07AA 134 ASLT HEL CO VIETNAM RVN 6901 124 1711 WC07AA 134 ASLT HEL CO VIETNAM RVN 6902 112 1823 WC07AA 134 ASLT HEL CO VIETNAM RVN 6903 39 1862 WCLNAA 79 TRANS CO VIETNAM RVN
Please send additions or corrections to:
Gary Roush
43 Overbrook Road
Painted Post, NY 14870
Printed from databases on: 05/20/2000
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