| A | B |
|---|
| Steady Green (on ground) | Cleared for Takoff |
| Flashing Green (on ground) | Cleared to Taxi |
| Steady Red (on ground) | Stop |
| Flashing Red (on ground) | Taxi Clear of Runway in use |
| Flashing White (on ground) | Return to Starting Point on Airport |
| Alternating Red and Green (on ground or in flight) | Exercise Extreme Caution |
| Steady Green (in flight) | Cleared to Land |
| Flashing Green (in flight) | Return for Landing |
| Steady Red (in flight) | Give way to other aircraft and continue circling |
| Flashing Red (in flight) | Airport unsafe - do not land |
| Transponder code for radio failure | 7600 |
| Daytime pilot response to light gun signals | Rock your wings |
| Nighttime response to light gun signals | Blink landing or navigation lights |
