H horseface Member Joined Jun 2, 2006 Posts 13 Dec 23, 2006 #1 of 3 Assuming standard conditions, does anyone know exactly how many feet separate FL400 and FL410?
snow-back Well-known member Joined Jul 16, 2004 Posts 329 Dec 23, 2006 #2 of 3 On TCAS, airplanes always seem to go by at +/- 1000, so my guess is 1000'.
LearAv8r John Ross Ewing JR Joined Dec 9, 2001 Posts 254 Dec 23, 2006 #3 of 3 998? I'd like to buy a vowel.....