"B-52 LOADING / INTERNAL STORES" 1970 U.S. AIR FORCE B-52 STRATOFORTRESS CREW TRAINING FILM GG28345

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This U.S. Air Force film, "B-52 Loading / Internal Stores" (1970) details the step-by-step procedure for loading a Mark 28 quad bomb package into a B-52 aircraft by a five-man team using an MHU-7M trailer and MHU-20C clip-in assembly. The process begins with strict safety protocols. The team follows job-oriented procedures, ensuring the aircraft is configured correctly, the flaps are retracted, and the bomb bay doors are supported and opened properly. Each team member performs specific tasks, such as checking mechanical locks, installing supports, inspecting cables, and operating the hoist system. The bombs are raised, aligned, and locked into place using the MAU-6A rack, with all mechanical and electrical connections carefully verified and safety-wired. Post-load procedures include thorough cockpit checks, securing all switches and safety seals, closing the bomb bay doors, and shutting off aircraft and APU power. The operation concludes with the removal of all loading equipment, completing a safe and technically compliant loading of the Mark 28 weapons.





0:00 Opening and titles. A five-man team begins loading internal stores on the B-52 using an MHU-7M trailer and an MHU-20C clip-in assembly for four Mark 28 bombs.
1:00 – Aircraft configuration and safety protocols are established, including marking off the area and identifying entry points.
1:30 – Security ensures only authorized personnel remain in the area.
1:52 – Tools are staged near the aircraft, and the team chief briefs the crew on safety, procedures, and two-man policy.
2:50 – Emergency procedures are reviewed in case of fire or abnormal events during loading.
3:34 – The team uses job-oriented procedures based on the -16 technical order for their specific roles.
3:55 – Pre-loading checks include flap positions and aircraft maintenance status.
4:55 – Trailer is aligned with the bomb bay, grounded, and powered through the APU.
5:32 – Bombay door supports are installed correctly; caution is taken to avoid incorrect placement.
6:08 – Doors are opened, and internal supports are installed for safe access.
6:30 – Team members inspect the MAU-6A rack, ensuring all components are secured and safetied.
7:55 – The rack’s mechanical locks, pins, and switches are verified for correct status.
8:25 – Crew assists in preload checks in the cockpit compartments.
9:02 – Team verifies that all cockpit switches are properly positioned and sealed.
9:48 – Package lowering begins; trailer wheels are adjusted for maneuverability.
10:30 – Package is prepared for positioning under the bomb bay; all safety measures are checked.
11:39 – Clearance between the package and aircraft is checked; power cables are secured.
12:05 – Bomb settings such as safe switches, barometric settings, and timers are verified.
12:30 – Tie-down devices and safety stop assemblies are removed; cables are checked.
13:04 – Bomb hoisting begins; team ensures mechanical locks and pendulums function properly.
13:39 – Trailer tilt is adjusted as needed for alignment with the bomb rack.
14:25 – Final hoist brings package into place; audible clicks confirm engagement.
15:00 – Load is transferred to aircraft; lock pins are inserted and verified.
15:49 – Trailer is removed after hoist clearance is ensured and tilt controls are reset.
16:00 – Loading completion procedures begin, including cable and strut connections.
16:28 – Electrical connectors are installed and safety-wired.
17:00 – Post-load checks in cockpit ensure all switches, seals, and safety indicators are correct.
18:07 – Additional cockpit checks are made for arming and release circuits.
19:18 – Selector switches and indicators are verified across multiple positions.
19:35 – Cockpit checks finish as bomb bay team prepares to close the doors.
20:02 – Final system checks on switches, wires, and pin locks are completed.
20:51 – Placards are removed, aircraft power is turned off, and loading equipment withdrawn.
21:14 – The End.

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