Information on U.S. Army helicopter CH-47A tail number 65-07988
The Army purchased this helicopter 0266
Total flight hours at this point: 00000971
Date: 03/21/69
Accident case number: 690321151
Unit: 242 ASHC
The station for this helicopter was Cu Chi in
Number killed in accident = 0 . . Injured = 0 . . Passengers = 0
costing 16000
Source(s) from which the incident was created or updated: Army Aviation Safety Center database.
Crew Members:
AC W2 REVERT MD
Accident Summary:
DUR LDG NR 1 ENG EXPC INTERNAL FAILURE BLOWING PIECES OF ENG THRU THE AFT ROTOR SYS DMG TWO BLADES AC MADE A RUNNING LDG WITH NO FUR DMG \ NO 1 ENG HAD INTERNAL FAILURE \
Information on U.S. Army helicopter CH-47A tail number 65-07988
The Army purchased this helicopter 0266
Total flight hours at this point: 00001211
Date: 01/18/70
Accident case number: 700118091 Total loss or fatality Accident
Unit: 243 ASHC
This was a Accident incident.
This was an Operational Loss caused by an accident by Accident with the mission function of Command
and Control (missions assigned to an aircraft for the primary purpose of airlifting a commander or
staff in control of tactical operations or for radio relay stations)
The station for this helicopter was Dalat in South Vietnam
UTM grid coordinates: BP305200
Casualties = YES . . Number killed in accident = 0 . . Injured = 5 . . Passengers = 1
Search and rescue operations were Not Required
costing 990717
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 and Helicopter was recovered
Crew Members:
AC O2 ZANOW WL
P O3 BURCHER DP
CE E4 MAYFIELD MB
G E4 SORRELL SC
Passengers:
E5 JE LEFTWICH, FE, D;
Accident Summary:
THE AIRCRAFT DEPARTED DONG BA THIN ARMY AIRFIELD AT APPROXIMATELY 0800 HOURS FOR A RESUPPLY MISSION IN THE AREA OF DALAT RVN. THE MISSION PROCEEDED NORMALLY THROUGHOUT THE MORNING. AT APPROXIMATELY 1145 HOURS AN INTERNAL LOAD OF ENGINEER SUPPLIES WEIGHING 6500 POUNDS WAS PICKED-UP AT THE LOC DUONG SPECIAL FORCES CAMP. A NORMAL HOVER CHECK WAS MADE PRIOR TO COMMITTING A TAKE-OFF. THE HOVER CHECK WAS CALLED OUT BY THE AIRCRAFT COMMANDER, 1LT ZANOW, WHO NOTED THAT THE N1 SPEEDS WERE 94% ON NUMBER ONE ENGINE AND 92% ON NUMBER TWO ENGINE. THE PILOT , CPT BURCHER, WAS AT THE FLIGHT CONTROLS AS THE TAKE-OFF WAS STARTED. AS THE AIRCRAFT WAS COMMITTED TO TAKE-OFF, THERE WAS A SUDDEN LOSS OF ROTOR RPM FROM 230 TO 220. THE AIRCRAFT COMMANDER THEN TOOK THE FLIGHT CONTROLS AND ATTEMPTED TO REGAIN THE RAPIDLY DETERIATING ROTOR RPM. THE PILOT ASSISTED BY APPLYING MAXIMUM BEEP WITH THE EMERGENCY TRIM. THERE WAS NO NOTICEABLE EFFECT. THE AIRCRAFT THEN SETTLED TO WITHIN 3 FEET OF THE GROUND STRIKING A SIGN AND SOME BARBED WIRE WITH THE RIGHT REAR GEAR. WHILE AT THIS ALTITUDE, THE FLIGHT VISABILITY WAS REDUCED TO A MINIMUM BY DUST. THE ROTOR RPM CONTINUED TO DETERIATE TO 200 RPM AND ALL EFFORTS TO REATIN OR REGAIN THE RPM FAILED. THE AIRCRAFT INITIALLY IMPACTED ON A GENTLE DOWN HILL SLOPE WITH A GROUND SPEED OF 20-30 KNOTS. THE LANDING ATTITUDE WAS PITCH-UP AND TRUST MAXIMUM. THE INITIAL IMPACT WAS MADE WITH THE AFT GEAR. AFTER INITIAL HITTING THE GROUND, THE AFT GEAR BOUNCED AIRBORNE AND TO THE RIGHT. THE AIRCRAFT THEN TOUCHED DOWN IN A 45 DEG LEFT ROLL ATTITUDE AND WITH A HEADING 90 DEG LEFT OF THE HEADING AT THE TIME OF ORIGINAL IMPACT. IT CRASHED IN A DITCH WITH THE RIGHT SIDE FLUSH AGAINST A HOURSE. ON INITIAL IMPACT THE ROTOR BLADES, THEN IN AN EXTREMELY LOW RPM/HIGH PITCH CONDITION, MADE IMPACT WITH THE TUNNEL COVERS SEVERING THE DRIVE SHAFTING AND THE UPPER FUSELAGE. THE AFT PYLON WAS THEN TORN FREE BY TORSION PRODUCED BY THE AFT ROTARY WING. DUE TO THE SUSPECTED POWER LOSS OF ONE OF THE ENGINES OR ENGINE NOSE GEAR BOX, BOTH ENGINES AND THEIR RESPECTIVE TRANSMISSIONS ARE BEING HELD PENDING SHIPPING INSTRUCTIONS FROM USARV FOR TEAR-DOWN AND ANALYSIS.\\
This record was last updated on 11/21/98
The following is Goldbook
information on US Army helicopter CH-47A tail number 65-07988
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 0266.
Please provide any additional information on this helicopter to the VHPA.
DATE FLT HRS UIC UNIT AREA POST COUNTRY 6610 29 156 WA5DAA 540 TRAN CO VIETNAM RVN 6611 26 182 WA5DAA 540 TRAN CO VIETNAM RVN 6612 41 223 WA5DAA 540 TRAN CO VIETNAM RVN 6701 10 233 WA5DAA 540 TRAN CO VIETNAM RVN 6702 38 271 WA5DAA 540 TRAN CO VIETNAM RVN 6703 30 301 WA5DAA 540 TRAN CO VIETNAM RVN 6704 27 328 WA5DAA 540 TRAN CO VIETNAM RVN 6705 27 355 WA5DAA 540 TRAN CO VIETNAM RVN 6706 1 356 WA5DAA 540 TRAN CO VIETNAM RVN 6707 6 362 3364 USARV FLT DET VIETNAM RVN 6708 22 384 WA5DAA 540 TRAN CO VIETNAM RVN 6709 65 449 WA5DAA 540 TRAN CO VIETNAM RVN 6710 13 462 WA5DAA 540 TRAN CO VIETNAM RVN 6711 28 490 WA5DAA 540 TRAN CO VIETNAM RVN 6712 35 525 WA5DAA 540 TRAN CO VIETNAM RVN 6801 41 566 WA5DAA 540 TRAN CO VIETNAM RVN 6802 70 636 WA5DAA 540 TRAN CO VIETNAM RVN 6803 35 671 WA5DAA 540 TRAN CO VIETNAM RVN 6804 29 700 WA5DAA 540 TRAN CO VIETNAM RVN 6805 30 730 WA5DAA 540 TRAN CO VIETNAM RVN 6806 23 753 WA5DAA 540 TRAN CO VIETNAM RVN 6807 32 785 WA5DAA 540 TRAN CO VIETNAM RVN 6808 34 819 WA5DAA 540 TRAN CO VIETNAM RVN 6809 9 828 WA5DAA 540 TRAN CO VIETNAM RVN 6810 16 844 WA5DAA 540 TRAN CO VIETNAM RVN 6811 55 899 WA5DAA 540 TRAN CO VIETNAM RVN 6812 43 942 WA5DAA 540 TRAN CO VIETNAM RVN 6901 5 947 WA5DAA 540 TRAN CO VIETNAM RVN 6902 0 947 WA5DAA 540 TRAN CO VIETNAM RVN 6903 24 971 WDYDAA 242 ASLT HEL CO VIETNAM RVN 6904 91 1062 WDYDAA 242 ASLT HEL CO VIETNAM RVN 6905 78 1140 WDYDAA 242 ASLT HEL CO VIETNAM RVN 6906 30 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6907 0 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6908 0 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6909 0 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6910 0 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6911 0 1170 WC5DAA 605 TRANS CO DS VIETNAM RVN 6912 7 1177 WDYEAA 243 ASLT HEL CO VIETNAM RVN 7001 34 1211 WC5EAA 608 TRANS CO VIETNAM RVN
Please send additions or corrections to:
Gary Roush
43 Overbrook Road
Painted Post, NY 14870
Printed from databases on: 03/05/01
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