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Last Modified: Friday October 10th, 2025
Helicopter UH-1H 66-16701
Information on U.S. Army helicopter UH-1H tail number 66-16701
The Army purchased this helicopter 0867
Total flight hours at this point: 00001823
Date: 02/13/1969
Accident case number: 690213081
Unit: 134th AHC
The station for this helicopter was Phu Hiep in
Number killed in accident = 0 . . Injured = 0 . . Passengers = 0
costing 6036
Source(s) from which the incident was created or updated: Army Aviation Safety Center database.
Crew Members:
AC O2 NICOLAS WT
Accident Summary:
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: 134th 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 ROBERT 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
|
| WCLQAA
| 335 TRANS CO
| VIETNAM
|
| RVN
| 6709
| 67
|
| WCLQAA
| 335 AVN CO
| VIETNAM
|
| RVN
| 6710
| 98
|
| WCLQAA
| 335 AVN CO
| VIETNAM
|
| RVN
| 6711
| 116
|
| WCLQAA
| 335 AVN CO
| VIETNAM
|
| RVN
| 6712
| 107
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6801
| 132
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6802
| 90
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6803
| 118
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6804
| 86
|
| WCLQAA
| 335 TRANS CO
| VIETNAM
|
| RVN
| 6805
| 79
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6806
| 131
|
| WCLQAA
| 335 ASLT HEL CO
| VIETNAM
|
| RVN
| 6807
| 89
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6808
| 86
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6809
| 82
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6810
| 99
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6811
| 73
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6812
| 126
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6901
| 124
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6902
| 112
|
| WC07AA
| 134 ASLT HEL CO
| VIETNAM
|
| RVN
| 6903
| 39
|
| WCLNAA
| 79 TRANS CO
| VIETNAM
|
| RVN
|