While operating a small UAS near an uncontrolled airport, you must self-announce your position and intentions on the Common Traffic Advisory Frequency (CTAF). The aircraft registration number is N8752G. Which is the correct phonetic call sign to broadcast?

While operating your small unmanned aircraft system (sUAS) near a nontowered airport, you monitor the Common Traffic Advisory Frequency (CTAF) and hear the transmission: “Cessna One Two Three Echo Bravo, midfield downwind runway 27, Anytown traffic.” What does “One Two Three Echo Bravo” represent?

Small unmanned aircraft registration numbers consist of the fixed prefix "FA" followed by seven alphanumeric characters (0-9 and A-Z). How many unique registration numbers are possible?

Referring to the Chart Supplement excerpt in the figure, Pierre Regional Airport (PIR) has a CTAF of 122.7. You are the remote pilot in command (PIC) of a small unmanned aircraft with registration number N456CD operating near PIR. When self-announcing your position and intentions on the CTAF, what is the appropriate call sign to use?

(Refer to the Chart Supplement figure.) While conducting a small UAS Part 107 operation 2 NM northeast of Pierre Regional Airport (PIR) in Class G airspace, you monitor the CTAF of 122.7 MHz for traffic. You hear the following successive transmissions: 1. “Pierre traffic, Cessna one two seven delta, 5 miles south, landing runway 31.” 2. “Pierre traffic, drone niner two golf, holding 1 mile west at 300 feet.” 3. “Pierre traffic, small unmanned aircraft six eight quebec golf, departing runway 13, climbing through 400 feet.” 4. “Pierre traffic, November four five six x-ray, right base runway 25.” Which transmission uses the FAA-recommended call sign format for a small UAS?