ATC questions
Hello, can anyone please tell me where the FAA rule of maintaining 250knts below 10,000 feet came from and what it's based on?? i've looked through the FAA's most current order (JO 7110.65T) dated Aug'10 and can't find it there. Is this speed restriction in use under ICAO??
Also, the order indicates that wake turbulence criteria for operating behind a 757 is now 5miles and 2 min seperation for large aircraft.... but does that pertain to those -57s with blended winglets aswell?
thank you in advance...
slim