Communications, light signals, and the traffic pattern
What fails when the radio goes quiet and what replaces it, radar assistance and the runway status lights, standard words, and the two invisible hazards in the pattern: windshear and wake.
14 min read · Commercial operations
After this lesson you can
- Name the equipment failures that end communication, and the checks that find them before assuming the frequency is dead.
- Read every ATC light gun signal on the ground and in flight, and land at a towered airport without a radio.
- Describe radar assistance to VFR aircraft and the runway status lights, and say what each does not do.
- Explain why non-standard phraseology is listed as a risk, and use the standard words instead.
- Manage distraction, windshear and wake turbulence in the traffic pattern.
A commercial pilot at a towered airport is part of a system that runs on words. This lesson is about what holds the system together when the words are wrong or missing: the equipment that carries them, the lights that replace them, the radar that watches the traffic, and the standard phrases that keep a busy frequency from becoming a guessing game.
It ends in the traffic pattern, where the Airman Certification Standards attach two risks the private pilot met but the commercial pilot must relate to the maneuver: distraction that costs situational awareness, and the windshear and wake turbulence that live on final.
The rest of this lesson
- 1.When the frequency goes quiet: the equipment side
- 2.The light gun: every signal, both places
- 3.Radar assistance, and the runway status lights
- 4.Standard phraseology is a safety device
- 5.In the pattern: attention, windshear, and wake
These 5 sections, their figures, the checks along the way and the end-of-lesson quiz come with the CPL track. Paid once, yours for good.
Key terms
Try to recall each definition before turning the card.