JETTISON TABULO DOWNLOAD

Quantity rate of change ninety seconds after jettison begins. The system begins updating the estimate based on actual fuel The jettison time is initially estimated using preprogrammed Override/jettison and transfer/jettison pumps in the tanks containingįuel (pump switches must be ON) and opens the required jettison and Pushing either fuel jettison nozzle valve switch ON activates all Rotating the Fuel To Remain selector decreases or The jettison manifold and jettison time display on theįuel synoptic. Indication on EICAS is replaced with the fuel to remain quantity When a jettison control system is selected, the fuel temperature Pump fuel overboard through the jettison nozzle valves.įuel jettison is initiated by rotating the fuel jettison selector to A Override/jettison pumps in main tanks 2 and 3 and the center wing tank The fuel jettison system allows jettison from all fuel tanks. You can see pumps and valves (pairs of blank half discs) (depends on the aircraft model, the documentation shows different models). The can also sees the status of the fuel tanks on the other EICAS screen:Ģ: The time required for the jettison operation (based on actual fuel flow). One of the information screen (EICAS) will display the quantity to remain: The overhead panel (which is above the head of the crew) has some controls:ġ: Allows to select the quantity of fuel to remain in the tank (jettison is used primarily if the aircraft must be landed shortly after takeoff, not much fuel has been burnt, and the maximum weight allowed (or desired) for landing is not yet attained).Ģ,3: The button to activate jettison, left and right nozzles, and their lights.Ĥ: The selector to arm the jettison system. Here are the basic information for the fuel jettison operations. Also note that this documentation is definitely outdated, and is not intended to be used for actual operations) Some copyright applies, see Smart Cockpit which provide this copy. (Note that all pictures are extracted from the Boeing Company documentation, available on several web sites.

This is a part of the '747 Flight Crew Operations Manual'. (wait for the 20s countdown to complete).

JETTISON TABULO DOWNLOAD

You may download the fuel system description for a B747-400 here.

Jettison tabulo