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MIL-STD-704 Aircraft Electrical Power Characteristics is a United States Military Standard that defines a standardized power interface between a military aircraft and its equipment and carriage stores, covering such topics as voltage, frequency, phase, power factor, ripple, maximum current, electrical noise and abnormal conditions (overvoltage and undervoltage), for both AC and DC systems.
The Boeing E-3 Sentry is a US military airborne warning and control system (AWACS) aircraft based on the Boeing 707 that provides all-weather surveillance, command, control, and communications. The Northrop Grumman E-8 Joint STARS is an aircraft modified from the Boeing 707-300 series commercial airliner.
For all models sold beginning with the Boeing 707 in 1957, except the Boeing 720, Boeing's naming system for commercial airliners has taken the form of 7X7 (X representing a number). All model designations from 707 through 787 have been assigned, leaving 797 as the only 7X7 model name not assigned to a product.
Because the Boeing 707 is no longer in production, the E-3 mission package has been fitted into the Boeing E-767 for the Japan Air Self Defense Forces. The E-10 MC2A was intended to replace USAF E-3s—along with the RC-135 and the E-8 Joint STARS , but the program was canceled by the Department of Defense .
In the 1960s, a basic pitch control system known as the stick shaker was installed in the Boeing 707 to avoid stalling. [6] Later, a similar system to avoid stalling, in this case specifically called the Maneuvering Characteristics Augmentation System (MCAS), was implemented on the Boeing KC-46 Pegasus military aerial refueling tanker. [7]
For forward thrust, these doors form the propelling nozzle of the engine. In the original implementation of this system on the Boeing 707, [10] and still common today, two reverser buckets were hinged so when deployed they block the rearward flow of the exhaust and redirect it with a forward component. This type of reverser is visible at the ...
The flight departed at 08:25 EST and it was carrying 15,360 lb (6,970 kg) of chemicals. The first sign of trouble occurred at 09:04 EST with smoke in the lower 41 electrical compartment and was reported to control. They also mentioned that they were going to divert to Boston.
Control panel for a Boeing 737-800 ECS. In aeronautics, an environmental control system (ECS) of an aircraft is an essential component which provides air supply, thermal control and cabin pressurization for the crew and passengers. Additional functions include the cooling of avionics, smoke detection, and fire suppression.