ANNEX "9! ~ TO OPERATIONS ORDER NO, 1-54 AIRCRAFT H-HOUR POSITIONS AND FLIGHT PATTERNS HEADQUARTERS TASK GROUP 7.4, PROVISIONAL APO 187, c/o Postmaster San Francisco, California 9 Fobruary 1954, 1800M 1. H-Hour positions of all airborne aircraft relative to Ground Zero are designated in Appendix 1, "H-Hour A/C Positioning Chart". 2. Detailed H-Hour range, azimuth, attitude, air speed, altitude and route requirements for all airborne aircraft are designated in Appendix 2, "H-Hour A/C Flight Plans", 3. Flight patterns for aircraft airborne at, H-Hour in the shot area are designated in the following appendicies: a. Appendix 3, "B-36 and B-47 Effects Aircraft Pattern". 4 b. Appendix 4, "C-54 Photographic Aircraft Pattern". c. Appendix 5, B~50 IBDA Aircraft Pattern". All other aircraft will execute orbits at H-Hour Stations. + OFFICIAL: HOWELL M. ESTES, JR. Brigadier General, U. S. A. F. Commander bes H. led Lt Colonel, USAF Director of Operations 5 Appendicies: 1, H-Hour A/C Positioning Chart 2. H-Hour A/C Flight Plans 3, Be-36 and B-47 Effects Aircraft Pattern 4. C-54 Photographic Aircraft Pattern 5. B-50 IBDA Aircraft Pattern TASK GROUP 7.4 OPRS ORDER NO. 1-54 ANNEX "D" [i D-1