OPERATIONS ORDER NO, 5-54 MISSION ABORT GROTERIA HEADQUARTERS TASK GROUP 7,4, PROVISIONAL APO 187, c/o Postmaster San Francisco, California 7 April 1954, 1600M 1, PURPOSE: missions, 2. a. To establish minimm criteria for aborting CASTLE (UNCLASSIFIED) SCOPE: a. These criteria apply to all Task Group 7.4 aircraft parti- cipating in Operation CASTLE (UNCLASSIFIED), These criteria cre those considered minimum and will be waived only by the Task Group Comuender or his Deputy. The establishment of these minimum abort criteria do not re- strict aircraft conmanders from aborting missions for any additional, valid reasons, 3, RESPONSIBILITY: a. Test Unit Commanders are responsible for insuring thet all aircraft camianders are thoroughly familiar with the provisions of this Annex, 4 ABORT CRITERIA: a. >8S 'sf & so £ b. Prior to Take-Off: (1) Incomplete crew (members considered critical by aircraft (2) Failure of engine to check out according to Technical or unit commander concerned), Order or other wajor preflight discrepancy which might affect the safe completion of the mission, (3) Inoperative Rad/Safe equipment, essential to the mission, (4) Inoperative HF Honer or IFF responder or interrogator equipment in Control RB~36, (5) Inoperative IFF in F-84 Samplers. (6) Inoperetive VHF radio in F.84 Samplers. (7) Inoperative HF radio in WB.29's, (8) Inoperative sampling equipment in F-84 or RB-36 sampling aircraft, After Take-Off: (1) Inability to establish or maintain radio contact with control agencies, TASK GROUP 7.4 OPRS ORDER NO. 5-54 ANNEX V