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On the radio, what does 'Wilco' mean?

I have received your message, understand it, and will comply.

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  1. Received, understood, will comply ✔
  2. Received, but unable to comply
  3. Please say that again

Why: The FAA Pilot/Controller Glossary defines Wilco as received, understood, and will comply. 'Roger' only means the message was received, and 'say again' asks for a repeat.

Huh, didn't know that: Wilco is short for 'will comply.'

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What did the robot pilot say to the controller? Roger, Roger.
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References

Answer: Received, understood, will comply. The FAA Pilot/Controller Glossary defines Wilco as received, understood, and will comply. 'Roger' only means the message was received, and 'say again' asks for a repeat.

  1. FAA Pilot/Controller Glossary (W) www.faa.gov/air_traffic/publications/atpubs/pcg_html/glossary-w.html
    I have received your message, understand it, and will comply with it.
    Checked 2026-10-09.

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