Fuel requirements
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School
Utah Valley University *
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Course
3030
Subject
Law
Date
Feb 20, 2024
Type
docx
Pages
2
Uploaded by emilylahner
Pretend you are a pilot for UVU Airlines, and are about to take off on a day flight
given the Aircraft and Flight parameters listed above
:
-
Calculate the minimum flag fuel requirements (per the regulations) given the aircraft specifications and flight profile listed above. Assume you do not have an alternate airport, and there are no wind considerations.
1.
Fuel for the flight: 6000 x (1,100 miles / 500 mph) = 13,200 lbs. 2.
Fuel for an additional 10% of flight: 13,200 x .10= 1,320 lbs
(This is confusing because the regulations say +10% of the flight time, and the textbook says an additional 2 hours.)
3.
13,200 + 1,320 = 14,520 lbs of fuel. More calculations would be required, as the regulations specify requirements for alternates and holding. -
30 minutes before your flight is scheduled to depart, the ground operations representative for your company informs you that 10,000 pounds of cargo is being loaded on your aircraft. You have been assured (and you know) that A) there is room onboard your aircraft for the cargo, and B) the extra weight will be within center of gravity limits and takeoff limits for your aircraft. What is your new flag fuel requirements, given the new weight of the aircraft flying? Again, assume you do not have an alternate airport, and there are no wind considerations
1.
Fuel for flight: 6,500 (1,100 / 500mph) = 14,300 2.
Additional 10%: 14,300 x .10 = 1,430
3.
14,300 + 1,430 = 15,730 lbs, not including requirements for alternate.
-
To compound things, you get a call from dispatch that says that a newly updated weather report indicates that a thunderstorm will move through the AUS area 45 minutes before you land, reducing the ceiling to a foretasted 1,000 feet, and visibility to 2 statute miles. While the thunderstorm is only supposed to last approximately 30 minutes, returning conditions to a sunny, partly cloudy VFR day at the time of landing (That’s Texas weather for you), what do you now need to ask the dispatcher about? What are your new flag fuel calculations, both with the cargo and without?
Ask the dispatcher about any weather that will affect the route of the flight, and relevant NOTAMs. Without cargo: To furthest alternate: (150 / 500mph) x 13,200 = 3,960
Additional 45 minutes: (45 / 60) x 6,000 = 4,500 30 min holding: (30/ 60) x 6,000 = 3,000
14,520 + 3,960 + 4,500 + 3,000 = 25,980 lbs fuel
With cargo: To furthest alternate: (150 / 500mph) x 14,300 = 4,290
Additional 45 minutes: (45 / 60) x 6,500 = 4,875
30 min holding: (30/ 60) x 6,500 = 3,250
15, 730 + 4,290 + 4,875 + 3,250 = 28, 145 lbs fuel
-
During your preflight flight release review, the Captain informs you that they are a “High-Mins” Captain. What does that mean for your flight?
This means the captain is trained and approved to land at airports with higher weather minimums
than standard. They may be able to fly into an airport with lower visibility and ceilings than a ‘normal’ captain. Cornell Law School. (n.d.). 14 CFR § 121.645 - Fuel supply: Turbine-engine powered airplanes, other than turbo propeller: Flag and supplemental operations. Retrieved from https://www.law.cornell.edu/cfr/text/14/121.645
Cornell Law School. (n.d.). 14 CFR § 121.601 - Aircraft dispatcher information to pilot in command: Domestic and flag operations. Retrieved from https://www.law.cornell.edu/cfr/text/14/121.601
Holt, Mark J.; Poynor, Phillip J.. Air Carrier Operations . Aviation Supplies & Academics, Inc.. Kindle Edition.
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