For CFIs

Is your student radio-ready for solo? A CFI checklist

Updated July 2026 · 5 min read

Solo endorsements live on aircraft control, judgment, and, quietly right behind them, the radio. A student who freezes on frequency alone in the pattern does not just sound bad: they miss sequencing calls, bust hold-shorts, and extend downwinds into the next county while composing a sentence. Most CFIs assess radio readiness by feel. Here is the same assessment as a checklist you can actually run, on the ground, the week before you plan to hop out.

Part 1: Calls the student must own cold

"Own" means: correct items, correct order, callsign included, no prompting, delivered inside a couple of seconds of the instruction ending. For a towered field:

• Initial call to ground with ATIS, and the taxi readback: runway and route.
• Hold-short readback, verbatim, every time. This one is regulatory (and the tower is required to chase it). If anything on this list is 100%-or-nothing, it is this.
• "Ready for departure" call and the takeoff-clearance readback, including "closed traffic" or the departure instruction.
• Position report in the pattern and readbacks for cleared-to-land, touch-and-go, and "number two, follow…" sequencing.
• Go-around call, because the day they need it, there is no spare capacity to compose it.
• Runway-exit and taxi-to-parking calls.
• "Say again" and "student pilot," said comfortably, without shame. A student too proud to say either is not radio-ready, whatever their phraseology sounds like. (AIM 4-2-4 exists precisely for them.)

For a non-towered field, substitute the CTAF sequence: taxi, departure, each pattern-leg self-announce, and clear-of-runway, with the discipline that CTAF calls are position broadcasts, not conversations.

Part 2: Stress tests worth running

Fair-weather readiness is not readiness. Before endorsing, deliberately break the script:

1. The amendment. Mid-readback, change the instruction: "correction, Runway One Eight." Does the student track the change or finish the memorized sentence?
2. The unexpected instruction. "Extend downwind, I'll call your base." "Exit at Charlie, cross Runway Nine." Something they have heard rarely. You are testing the skeleton, not the script.
3. The rapid-fire controller. Deliver a clearance at genuine Class C tempo. The pass is not a perfect readback. It is either a complete one or an immediate, relaxed "say again."
4. The wrong callsign. Issue an instruction to a different aircraft. Silence is the correct answer. A readback to someone else's clearance is the red flag that fills NASA reports.
5. The busy-frequency insert. With chatter running, can they find the gap and get a call in without stepping on anyone?

Part 3: Red flags that predict a meltdown

• Readbacks that reliably drop the callsign under load (mis-attribution risk on a busy frequency).
• Numbers consistently garbled: frequencies and altitudes swapped or half-repeated. This is a number-rhythm gap; it does not fix itself in the airplane.
• Keying the mic and then composing. Think-key-talk has to be installed before solo.
• Refusing to say "say again," guessing instead. Guessing students read back plausible instructions they did not receive, the most dangerous radio failure a soloing student can have.
• Radio work that collapses whenever the airplane needs attention. That is a capacity problem: the calls are not yet automated, and only reps, not courage, automate them.

Making the assessment objective

You can run this whole checklist verbally in a briefing room. The gap is what happens between lessons: you cannot chair-fly the radio for them, and "did you practice your calls?" gets the answer it always gets. This is the workflow Tower Drill was built to close: the student drills spoken readbacks daily against a controller that answers at your actual field, every required item is scored, and the app exports a one-page progress report: attempts, streaks, and per-item accuracy on exactly the categories above (callsigns, runways, frequencies, squawks, hold-shorts). When the report shows Solo-mode passes at 90%+ across categories, Part 1 of this checklist is already documented before the student walks in; your time goes to Part 2, which is the part that actually needs a CFI.