ASKEX "ty" yi OPERATIONS ORDER NO. 1~5h MISSION ABORT CRITERTA HEADQUARTERS TASK GROUP 7.4, PROVISIONAL APO 187, c/o Postmaster San Francisco, California 9 ¥ebruary 1954, 1800 M 1. PURPOSE: To establish minimum criteria for aborting CASTLE mis- sions. 2e SCOPE: These criteria apply to all Task Group 7.4 aircraft par~ ticipating in Operation CASTLE (UNCLASSIFIED). ‘These criteria are those considered minimum and will be waived only by the Task Group Conmander 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. RESPON TY: Test Unit Commanders are responsible for insuring that all aircraft commanders are thoroughly familiar with the provisions of this AnneXe he CRITERIA: ae Prior to Take-Off: (1) Incomplete crew (members considered critical by aircraft or unit commander concerned.) (2) Failure of engine to check out according to Technical Order or other major preflight discrepancy which might effeot the safe completion of the mission. (3) Inoperative Rad-Safe equipment, essential to the missions (4) Inoperative HF Homer or IF¥ responder or interrogator (5) Inoperative positioning radar in Effects B-36 or B-l7. (6) Inoperative IFF in F-~84 Samplers. (7) Inoperative VHF radio in F~8) Samplers. (8} Inoperative H¥ Radio in WB-29's, (9) be equipment in Control F8~36. Inoperative sampling equipment in F-84 or ¥B-36 sampling ei reraft. After Take-Off: (1) Inability to establish or maintain radio contact with control agencies. ° (2) Failure of an engine or any primary aircraft system such as hydraulic, oxygen, electric, controls, flight instruments, etc. (3) Failure of Rad-Safe or any other specialized equipment (4) TASK GROUP 7o4 OPRS ORDER 1-54 ANNEX “Hy essential to the completion of the mission. Serious injury to or incapacitating illness of a crew member. ee.

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