
Press ENTER and the display will prompt for T ° C
Key in 20 and press
+/-
Press ENTER
15
The display will prompt for M A C H #
Key in 0.85 and press ENTER
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
Display will prompt for W S P D ;
Key in 15 and press ENTER
Display will prompt for C R S
Key in 355 and press ENTER
Display will prompt for G S
Key in 225 and press ENTER
The display will read: