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#11
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![]() I would think that with the high price of fuel, if an airline services an airport where fuel prices are very high, they may take on full fuel at an airport where the fuel prices are low. I'm betting the dispatcher does a careful calculation of the cost of hauling extra fuel over the price of fuel at every location. |
#13
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I know Southwest has a look up table they use to determine the price of
hauling around fuel vs. the price difference at different destinations. Everyone always avoids buying fuel at Sacramento International because it's one of the most expensive in the nation. The airport requires all fuel guys to be active and certified fire fighters. -Robert 150flivver wrote: I would think that with the high price of fuel, if an airline services an airport where fuel prices are very high, they may take on full fuel at an airport where the fuel prices are low. I'm betting the dispatcher does a careful calculation of the cost of hauling extra fuel over the price of fuel at every location. |
#14
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This means, they have exactly the amount of fuel they
need to get to their destination +45 minutes. Anything under that +45 minutes means an emergency. So that means these aircraft were getting close to that emergency point. It's dangerous for the pilot, the controller, and the passengers espicially. One item that is missing is alternate fuel. Aircraft always take into consideration fuel needed to get to an alternate airport in case of warranting conditions. The 45-minutes reserve is contingency fuel to account for unexpected holding, weather, and other delays at the destination. It's not necessarily an emergency. -- Mike |
#15
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![]() Jose I'll use your posting to add my 2 cents worth to thread. My Mark 20C Mooney had a built in fuselage tank (bird had about 7 hours with all tanks full). If I needed the range and loaded the fuselage tank, it made the bird into a two seater due to max weight limits. Normal flights only carried slosh fuel in tank and could use all four seats. This is not to say we didn't push the max gross on occasions. I never loaded fuselage tank for a leg, unless needed for range and any expected holding. Configuration gave lots of options of range vs cabin loading. Big John `````````````````````````````````````````````````` ```````` On Sat, 10 Jun 2006 03:45:00 GMT, Jose wrote: This waver states that they don't have to fill up the plane all the way so they can save on fuel costs. "Filling up" the plane is not a requirment. "Having enough gas" is (where "enough" is defined in the regs and includes reserves). You don't have to have "more than enough", otherwise that amount would be what "enough" would be, and we're back where we started. Now, "enough" means "enough to get to your destination, fly the approach, go to the alternate, fly the approach, and fly 45 minutes at full cruise". Depending on what you pick for an alternate, you may need more or less gas. Depending on what you pick for a destination, the same is true. The "destination" doesn't have to be "where you want to go". What I have heard some pilots do is to make the place they want to go the alternate, and pick a "destination" that is short of that. This requires less gas. If they manage to get a better tailwind, then by the time they get to their destination (not where they wanted to go), they may still have enough gas to get to the alternate (which is where they wanted to go), AND fly to another legal alternate, AND still fly for 45 minutes. IF this happens, they re-file with the new plan and keep flying. The risk is that if this does NOT happen, they will need to land short of where they wanted to go. It sounds like cheating, but safety is NOT compromised, because they always have a place to land in the plan, and sufficient reserves. Jose |
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