The display will prompt for
M A C H #
Key in
0.85
and press
ENTER
25
The display will read:
(FLASHING) TAS
20.
527.2
0.85
MACH#
T°C
-
REQUIRED TRUE AIRSPEED
(REQ TAS)
Required True Airspeed is a planning function used to
maintain a certain ground speed and course in order to
arrive at a desired point at a specific time. It will compute
true airspeed and heading given wind direction and speed,
course, and ground speed. In this example, the wind is
from 270° at 15, course is 355°, and ground speed is 225.
Select
R E Q T A S
from the main menu
Press
ENTER
and the display will prompt for
W D I R
Key in
270
and press
ENTER