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Question About Flight Levels...  
User currently offlineSpotterboy From , joined Dec 1969, posts, RR:
Posted (11 years 3 months 2 weeks 3 days 7 hours ago) and read 2017 times:

Hello guys!

I'm listening to Atlanta Macey (Northeast Approach) ATC and viewing the radar map with aircrafts and flight data.... Next to the flight level of a few flight is located a 'C' ... for example:

DAL1819
FL207C 415 (415 is the speed, right?)
CLT ATL
MD80

Now my question: WHAT DOES THE 'C' STAND FOR?!?

Thanks, Florian



6 replies: All unread, jump to last
 
User currently offlineSushka From United States of America, joined Nov 1999, 4784 posts, RR: 14
Reply 1, posted (11 years 3 months 2 weeks 3 days 6 hours ago) and read 1994 times:

Climbing?? FL 207 seems like the plane would be in a climb. Maybe there is a "D" for descending.


Pershoyu Spravoyu Litaki!
User currently offlineFlairport From , joined Dec 1969, posts, RR:
Reply 2, posted (11 years 3 months 2 weeks 3 days 6 hours ago) and read 1982 times:

where are you getting the radar from... are you in ATL?

User currently offlinePositive rate From Australia, joined Sep 2001, 2143 posts, RR: 1
Reply 3, posted (11 years 3 months 2 weeks 3 days 4 hours ago) and read 1957 times:

Yeah it seems to me that the C stands for "climbing" as FL207 is a non-standard flight level to be cruising at.

User currently offlineWagz From United States of America, joined Mar 2003, 516 posts, RR: 16
Reply 4, posted (11 years 3 months 2 weeks 3 days 3 hours ago) and read 1948 times:
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No, actually from my experience with Flight Explorer (another subscription flight tracking program), the C means that the aircraft is currently at a "Mode C" altitude. Unfortunately I don't know what a mode C altitude is, so I guess that really doesn't help you.

Joe Wagner



I think Big Foot is blurry, Its not the photographers fault. Theres a large out of focus monster roaming the countryside
User currently offlineSushka From United States of America, joined Nov 1999, 4784 posts, RR: 14
Reply 5, posted (11 years 3 months 2 weeks 3 days 3 hours ago) and read 1930 times:

Mode C means that the transponder shows the altitude of the aircraft.
Altitude encoding.



Pershoyu Spravoyu Litaki!
User currently offlineSpotterboy From , joined Dec 1969, posts, RR:
Reply 6, posted (11 years 3 months 2 weeks 2 days 21 hours ago) and read 1877 times:

Sushka
No, it cannot be the 'climb' sign because next to the 'C' there is a arrow up or down - for climbing or descending.
Thanks for your 2nd reply!

Flairport
No - I'm in Europe - Innsbruck (INN) Just go to http://www.atcbox.com and on the right side there must be a link to Atlanta Macey Arrival.
Press the link and you'll get to the ATC site - transmission will start automatically - To watch the screen - Press the SCREEN link beneath the radio. The map will reload every 40 seconds or something like this...

Oh, and ATL airport is in on the lower end of the map - located in the middle - it can be difficult to find the airport during rush hour with lots of planes...  Smile/happy/getting dizzy

regards and thanks Flo


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