PERATIONS ORDER NO, 2-' OBSERVER ATRORAFT FLIGHT PROCEDURES HEADQUARTERS TASK GROUP 7.4, PROVISIONAL APO 187, ¢/o Postmaster San Francisco, California 26 February 1954 1800M 1. MISSION: a. To monitor the arrival of official observers and project participants who will visit Rniwetok during the CASTLE Operation. b. To integrate and properly position the observer aircraft, call sign VIKING, into CASTLE Operations, providing also for the departure of these aircraft from the operational area to the point of next intended landing 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 Instruction::., 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) (2) d. Brief the observer aircraft commander to file DD Form 175 at least twelve hours prior to scheduled take-off for the observer mission, Integrate theobserver aircraft into Annex "C" (Aircraft Mission Execution Chart). VIKING Aircraft Commanders will: (1) (2) Attend VIP briefings. Establish and maintain route, altitude, and orbit patterns 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 Annex "C" (Aircraft Mission Execution Chart), and climb to the altitude prescribed in Appendix 2, Annex D (H-Hour Air- craft Flight Plans), on a course of 180°, VIKING pilots will call DIRTY FACE on VHF Channel "C", DIRTY FACE will check all modes of IFF, and HF air-ground Circuit J-410 while VIKING aircraft are proceeding to their Hhour positions as designated in Appendix 1, Annex D (Aircraft H-Hour Posi- tioning Chart). Aircraft will fly the 180° course for thirty (30) NM, then establish a direct course for a position sixty (60) NM from Ground Zero, along an outbound true bearing of 135° 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 on VHF Channel "C" and HF Circuit J-410, Mode 2. TASK GROUP 7.4 OPRS ORDER NO. 2~54 sane A Qql VIKING aircraft will squawk IFF ~~ <<