ANNEX "9"
TO

OPERATIONS ORDER _No

OBSERVER AIRCRAFT. FLIGHT PROCEDURES
HEADQUARTERS
TASK GROUP 7.4, PROVISIONAL

APO 187, c/o Postmster

San Francisco, California

7 April 1954, 1800M
1,

MISSION:

a, -To monitor the arrival of official observers and project
participants who will visit Eniwetok during the CASTLE operation,
b. To integrate and properly position the observer aircraft, call
sign VIKING, into CASTIE Operations, providing also for the departure of
these aircraft from the operational area to the point of next intended lani-

ing outside Pacific Proving Ground area,

2, RESPONSIBILITIES:
a. Official observers and project participants will be assisted

in accordance with the provisions of Task Group 7.4 Headquarters Office
Instructions, Number 900-1, dated 20 February 1954,
.

b,

Briefings for official observers and participants are outlined

c.

Test Aircraft Unit will:

in Annex X (Briefings).

(1)

©
as
x

(2)

we

d.

x

Brief the observer aircraft commander to file DD Form
175 at least twelve hours prior to scheduled take-off”
for the observer mission,
.
,

Integrate the observer aircraft into Annex "0" (Aircraft

Mission ExecutionGhart).

VIKING Aircraft Commamer will:

(1) Attend VIP briefings;
\2)

Establish and mintain route, altitude, and orbit petterns
and comply with instructions received from the AOC and
CIC,

3. PROCEDURES:
a.

The official observer aircraft, call sign VIKING 1, 2, 3, etc.,

will take off as scheduled in Anmx "C" (Aircraft Mission Execution Chart),

and climb to the altitude prescribed in Appendix 2, Annex: D (H-Hour &‘r~
craft Flight Plans), on a course of 380°,
VIKING pilots will call DIRTY
FiCE on VHF Channel "C", DIRTY FACE will check all modes of IFF, and HF
‘air-grourd Circuit J-410 while VIKING aircraft are proceeding to their H-

hours positions as designated in Appendix 1, Annex D (Aircraft H-Hour Posi-

tioning Chart), Aivcraft will fly the 160° oourse for fifty (50) NM,
then establish a direct course for a position sixty (60) NM fron Ground

Zero, along an outbound true bearing of 229° from Ground Zero to enter and
maintain prescribed orbit patterns at this point,

DIRTY FACE will instruct

VIKING aircraft to contact the CIC (BOUNDARY TARE) for positioning control
onve Channel "C" and HF Circuit J-410, VIKING aircraft will squawk IF?
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