light signal from control towel !!!
- GREEN ___________________ CLEAR TAKE OFF / LAND
- FLASHING GREEN------------------------------CLEAR TAXY / RETURN TO LAND WAIT FOR STEADY GREEN
- RED ________________ STOP / GIVE WAY CONTINUE CIRCLING
- FLASHING RED -----------------------CLERN OF RUWAY IN USE / DONT NO LAND
- FLASHING WHITE_---------------------RETURN STARING POINT-------HITE
- ALTERNATING RED AND GREEN -----------------------------------------------EXCERSICE EXTERM CAUTION
NAV
T - TURN HEADING
T - TIME CALCULATE
R -REFERENCE POINT
T -TRANSMIT R/T
T -TOWN
T-TERRAIN
R-RIVERS
R-ROAD
R-RAILROAD