LiveATC Discussion Forums
Air Traffic Monitoring => Listener Forum => Topic started by: clowe on August 07, 2006, 01:09:08 PM
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does anyone know what 4 for 4 stands for? I'm a relatively new student pilot and heard it on this site.
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The new Arbys' "four roast beef sandwiches for four dollars" promotion? :)
Seriously now, absent the actual clip and assuming you posted the entire phrase, this sounds to me like a (relatively poor phraseology) initial call-up where the pilot is stating the altitude currently at and the altitude assigned. "Aircraft XXX, four thousand for four thousand," although I suspect you may have missed the first part of that call-up that may have indicated that the first "four" was hundreds of feet, not thousands of feet.
In the US, IFR aircraft are supposed to include their current altitude and assigned altitude in the initial check-in on a new frequency.
"Aircraft xxx, two point four for four" is a commonly used check-in phrase (altitudes would vary, of course), which means "altitude two thousand four hundred climbing (to) four thousand (assigned)."
A better check-in would be "XXX approach, aircraft XXX, two thousand four hundred climbing four thousand."
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I think it's most likely in reference to how well one can read a transmitter or radio, with 5 by 5 being the best.
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I think it's most likely in reference to how well one can read a transmitter or radio, with 5 by 5 being the best.
Hmmm, I have been flying IFR all over the US for the last five years and I have never heard "four for four" used in reply to a query of radio reception.
What country are you based?