4/20/23 

AIM 

FIG 6

−

2

−

15 

Negative (Aircraft) 

Negative reply from aircraft:

Negative reply from aircraft: 

NEGATIVE (NO)

NEGATIVE (NO) 

Fishtail plane

Fishtail plane 

FIG 6

−

2

−

16 

Message received and understood (Aircraft) 

Message received and understood by aircraft:

Message received and understood by aircraft: 

Day or moonlight - Rocking wings

Day or moonlight - Rocking wings 

Night - Green flashed from signal lamp

Night - Green flashed from signal lamp 

Emergency Services Available to Pilots 

6

−

2

−

15