Helicopter UH-1D 66-16330
Information on U.S. Army helicopter UH-1D tail 
number 66-16330
The Army purchased this helicopter 0467
Total flight hours 
at this point: 00000340
Date: 03/10/68 
Incident number: 680310011ACD 
Accident case number: 680310011 Total loss or fatality Accident 
Unit: 61 
AHC
The station for this helicopter was Phu Cat in South Vietnam
UTM grid 
coordinates: BR914743
Number killed in accident = 4 . . Injured = 0 . . 
Passengers = 0
costing 514554
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:
P WO1 WIEBURG 
WILLIAM WARREN KIA
AC WO1 SMITH STANLEY BRUCE KIA
CE SP4 HERDEBU DAN LEON 
KIA
G SP4 GREEN MICHAEL FRANK KIA
Accident Summary:
Shortly after takeoff aircraft was seen making a descending right turn. The 
aircraft crashed and burned killing all occupants 
This record was last updated on 05/25/98
The following is crew member information for this incident:
Name: SP4 Michael Frank Green 
Status: Killed In Action from an incident on 
03/10/68 while performing the duty of Gunner.
Age at death: 21.1
Date of 
Birth: 01/23/47
Home City: Pocatello, ID
Service: regular component of the 
U.S. Army.
Unit: 61 AHC
Major organization: other
Service: U.S. 
Army.
The Wall location: 44E-007
Short Summary: Shortly after T/O A/C was 
seen making descending right turn, crashed, & burned.
Aircraft: UH-1H 
tail number 66-16330
Service number: 18813594
Country: South 
Vietnam
MOS: 67N20 = UH-1 Helicopter Repairer
Compliment cause: fire or 
burns
Started Tour: 11/02/67
"Official" listing: helicopter air casualty - 
other aircrew
Length of service: 01
Location: Khanh Hoa Province II 
Corps.
Reason: aircraft lost or crashed
Casualty type: Non-hostile - died 
while missing
single male U.S. citizen
Race: Caucasian
Relgion: Latter 
Day Saints (Mormon)
The following information is secondary, but may help in 
explaining this incident.
Category of casualty as defined by the Army: 
non-battle dead Category of personnel: active duty Army Military class: enlisted 
personnel
This record was last updated on 07/28/94
Name: SP4 Dan Leon Herdebu 
Status: Killed In Action from an incident on 
03/10/68 while performing the duty of Crew Chief.
Age at death: 19.6
Date 
of Birth: 07/21/48
Home City: Baldwin, ND
Service: regular component of 
the U.S. Army.
Unit: 61 AHC
Major organization: 1st Aviation 
Brigade
Service: U.S. Army.
The Wall location: 44E-008
Short Summary: 
Shortly after T/O A/C was seen making descending right turn, crashed, & 
burned.
Aircraft: UH-1H tail number 66-16330
Service number: 
16944429
Country: South Vietnam
MOS: 67N20 = UH-1 Helicopter 
Repairer
Major attributing cause: aircraft connected not at sea
Compliment 
cause: fire or burns
Vehicle involved: helicopter
Position in vehicle: 
crew chief
Started Tour: 11/02/67
"Official" listing: helicopter air 
casualty - other aircrew
Length of service: 01
Location: Khanh Hoa 
Province II Corps.
Reason: aircraft lost or crashed
Casualty type: 
Non-hostile - died of other causes
single male U.S. citizen
Race: 
Caucasian
Relgion: Methodist (Evangelical United Brethren)
The following 
information is secondary, but may help in explaining this incident.
Category 
of casualty as defined by the Army: non-battle dead Category of personnel: 
active duty Army Military class: enlisted personnel
This record was last 
updated on 07/24/94
Name: WO1 Stanley Bruce Smith 
Status: Killed In Action from an incident on 
03/10/68 while performing the duty of Aircraft Commander.
Age at death: 
21.8
Date of Birth: 06/09/46
Home City: Washington, IL
Service: AV 
branch of the reserve component of the U.S. Army.
Unit: 61 AHC
Major 
organization: 1st Aviation Brigade
Flight class: 67-21/67-19 
Service: AV 
branch of the U.S. Army.
The Wall location: 44E-011
Short Summary: Shortly 
after T/O A/C was seen making descending right turn, crashed, & 
burned.
Aircraft: UH-1H tail number 66-16330
Service number: 
W3158952
Country: South Vietnam
MOS: 062B = Helicopter Pilot, Utility and 
Light Cargo Single Rotor
Primary cause: A/C Accident
Major attributing 
cause: aircraft connected not at sea
Compliment cause: fire or 
burns
Vehicle involved: helicopter
Position in vehicle: 
co-pilot
Started Tour: 01/15/68
"Official" listing: helicopter air 
casualty - other aircrew
Location: Khanh Hoa Province II Corps.
Reason: 
aircraft lost or crashed
Casualty type: Non-hostile - died of other 
causes
single male U.S. citizen
Race: Caucasian
Relgion: Methodist 
(Evangelical United Brethren)
The following information is secondary, but may 
help in explaining this incident.
Category of casualty as defined by the 
Army: non-battle dead Category of personnel: active duty Army Military class: 
warrant officer
This record was last updated on 08/20/95
Name: WO1 William Warren Wieburg 
Status: Killed In Action from an incident 
on 03/10/68 while performing the duty of Pilot.
Age at death: 21.6
Date of 
Birth: 08/19/46
Home City: Odessa, TX
Service: AV branch of the reserve 
component of the U.S. Army.
Unit: 61 AHC
Major organization: 
other
Flight class: 67-3 
Service: AV branch of the U.S. Army.
The Wall 
location: 44E-012
Short Summary: Shortly after T/O A/C was seen making 
descending right turn, crashed, & burned.
Aircraft: UH-1H tail number 
66-16330
Service number: W3156378
Country: South Vietnam
MOS: 062B = 
Helicopter Pilot, Utility and Light Cargo Single Rotor
Primary cause: A/C 
Accident
Major attributing cause: aircraft connected not at sea
Compliment 
cause: fire or burns
Vehicle involved: helicopter
Position in vehicle: 
pilot
Started Tour: 11/02/67
"Official" listing: helicopter air casualty - 
pilot
Length of service: 01
Location: Khanh Hoa Province II 
Corps.
Reason: aircraft lost or crashed
Casualty type: Non-hostile - died 
while missing
single male U.S. citizen
Race: Caucasian
Relgion: 
Lutheran (Missouri Synod)
The following information is secondary, but may 
help in explaining this incident.
Category of casualty as defined by the 
Army: non-battle dead Category of personnel: active duty Army Military class: 
warrant officer
This record was last updated on 07/29/94
The following is Goldbook information on US Army helicopter UH-1D tail number 
66-16330
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  22   23 1776   USARV FLT DET    VIETNAM                     RVN
6708  34   57 1776   BELL HCPTR       BAILMENT   FT WORTH         AVCOM
6709   1   58 1776   BELL HCPTR       BAILMENT   FT WORTH         AVCOM
6710   0   58 1776   BELL HCPTR       BAILMENT   FT WORTH         AVCOM
6711   0   58 3300   355 AVN CO       4TH ARMY   FORT SILL        4TH ARMY
6712  62  120 WAYPAA 61 ASLT HEL CO   VIETNAM                     RVN
6801 121  241 WAYPAA 61 ASLT HEL CO   VIETNAM                     RVN
6802  99  340 WAYPAA 61 ASLT HEL CO   VIETNAM                     RVN
Please send additions or corrections to:
VHPA Head Quarters or Gary Roush or Mike Law
Printed from databases on: 08/27/00 
Copyright © 1998, 1999 and 2000 Vietnam Helicopter Pilots Association