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C-130 X-perience >> C-130 X-perience - General >> How to calculate flight level?
https://www.captainsim.org/forum/csf.pl?num=1346957743 Message started by ahs5802 on Sep 6th, 2012 at 6:55pm |
Title: How to calculate flight level? Post by ahs5802 on Sep 6th, 2012 at 6:55pm
Hello friends.
Every time I go to use a new plane I have the same question. What is the flight level appropriate considering the load of the plane and distance?. In other addons I could find the chart corresponding to flight level depending on the load of the plane and the flight distance, but in the case of the C-130 has been useless. Anybody can provide me these charts or at least teach me how to calculate the appropriate flight level for each trip? (I'm not asking about the flight levels in each airway, or about odd or even levels) Thanks ;) |
Title: Re: How to calculate flight level? Post by Don-P1126 on Sep 8th, 2012 at 12:21am
http://www.baseops.net/c130pilotgouge.html
You can look on here, this is real world C-130 information that can be used as reference for the virtual world. C-130's are usally kept below FL300 for other traffic that may be faster to travel. The J model can get up higher but FAA may keep them lower due to airspeed. Typically in the vUSAF we keep the C-130s anywhere from 500 AGl to FL290/280. The standard rule defines an East/West track split: Eastbound – Magnetic Track 000 to 179° – odd thousands (FL 250, 270, etc.) Westbound – Magnetic Track 180 to 359° – even thousands (FL 260, 280, etc.) At FL 290 and above, if Reduced Vertical Separation Minima are not in use, 4,000 ft intervals are used to separate same-direction aircraft (instead of 2,000 ft intervals below FL 290), and only odd flight levels are assigned, depending on the direction of flight: Eastbound – Magnetic Track 000 to 179° – odd flight levels (FL 290, 330, 370, etc.) Westbound – Magnetic Track 180 to 359° – odd flight levels (FL 310, 350, 390, etc.) Ceiling: C-130J: 28,000 feet (8,615 meters) with 42,000 pounds (19,090 kilograms) payload C-130J-30: 26,000 feet (8,000 meters) with 44,500 pounds (20,227 kilograms) payload. C-130H: 23,000 feet (7,077 meters) with 42,000 pounds (19,090 kilograms) payload. C-130E: 19,000 feet (5,846 meters) with 42,000 pounds (19,090 kilograms) payload Don |
Title: Re: How to calculate flight level? Post by ahs5802 on Sep 8th, 2012 at 10:59am
Thanks Don. Information obtained from "baseops" is very comprehensive but also too complex for me.
Since you have offered to answer, I would like to take this opportunity and ask the question again with two examples: 1. - Optimum flight level for a distance of 100 nm 2. - Optimum flight level for a distance of 1500 nm Assume that the load is the same and that the course is indifferent. The flight is IFR. Levels that you would use and that basis are you to determine them? Thank you very much. Antonio |
Title: Re: How to calculate flight level? Post by Don-P1126 on Sep 10th, 2012 at 11:57am
Figure the C-130 base climb rate at 1500fpm and based 250 knots below 10,000 it will take the C-130 about 6 minutes to climb to 10,000 from example Little Rock AFB which is 371 feet MSL.
Remember what type of flight are you flying as well, IFR or VFR as you could fly the 100nm at 500 AGL or up to FL180. Climb rate, distance and airspeed play part of altidue along with weight Example I pulled up was a turbo prop, KLRF to KMEM which is 107nm estimated time 0.29 mins, altitude 18,000 average heading 285 average windspeed24 with airspeed 250 http://airplanemanager.com/flightcalculator.aspx |
Title: Re: How to calculate flight level? Post by ahs5802 on Sep 14th, 2012 at 4:36pm
Thank you very much, Don
Antonio |
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