| English | Spanish | Meaning |
| Acknowledge | Confirme | Let me know that you have received and understood this message. |
| Advise Intentions | Notifique intenciones | Tell me what you plan to do. |
| Affirm | Afirmativo | Yes |
| Approved | Aprobado/a | Permission for proposed action granted. |
| Break | I hereby indicate the separation between portions of the message.” (To be used where there is no clear distinction between the text and other portions of the message.) | |
| Break Break | I hereby indicate the separation between messages transmitted to different aircraft in a very busy environment. | |
| Cancel | Cancele | Annul the previously transmitted clearance. |
| Check | Verifique | Examine a system or procedure.” (Not to be used in any other context. No answer is normally expected.) |
| Cleared | Autorizado/a | Authorized to proceed under the conditions specified. |
| Confirm | Confirme | My understanding of your transmission is ______ : Is that correct? |
| Contact | Comunique a | Establish communications with… |
| Correct | Correcto | “True” or “Accurate”. |
| Correction | An error has been made in the transmission and the correct version follows | |
| Disregard | Anule | Ignore. |
| Final | Final | Commonly used to mean that an aircraft is on the final approach course or is aligned with a landing area. |
| Go Ahead | Prosiga | Proceed with your message. Not to be used for any other purpose. |
| How Do You Read | What is the readability of my transmission? | |
| Hold | Espere | Stay in place where you are currently located |
| Hold Position | Mantenga posición | Stay in place where you are currently located |
| Hold Short of … | Espere cerca de … | Proceed to, but hold short of a specific point and maintain appropriate distance to avoid interfering with other traffic. With respect to runways, always stop at the runway holding position marking unless otherwise directed by ATC. A read back confirmation to ATC is required anytime a “hold short” instruction is given |
| I Say Again | Repito | I repeat for clarity or emphasis. |
| Maintain | Mantenga | Continue in accordance with the condition(s) specified” or in its literal sense, e.g. “Maintain VFR”. |
| Monitor | Escuche | “Listen out on (frequency).” |
| Negative | Negativo | No; Permission not granted; That is not correct. |
| Over | My transmission is ended, and I expect a response from you. Note. Not normally used in VHF communications. | |
| Out | This exchange of transmissions is ended and no response is expected. Note. Not normally used in VHF communications. | |
| Proceed | Prosiga | You are authorized to begin or continue moving. |
| Read Back | Colacione | Repeat my message back to me. |
| Recleared | Nueva Autorización | A change has been made to your last clearance and this new clearance supersedes your previous clearance or part thereof. |
| Report | Notifique | Pass me the following information… |
| Request | Solicite | I should like to know… or I wish to obtain… |
| Roger | Recibido | I have received your last transmission; but not to be used to answer a question requiring a “yes” or “no” response (see Affirmative, Negative). |
| Say Again | Repite | Repeat what you just said. |
| Speak Slower | Reduce your rate of speech. | |
| Stand By | Espere | Wait for further information, as in “stand by for clearance”. |
| Unable | Imposible | Indicates inability to comply with a specific instruction, request or clearance. |
| Verify | Request confirmation of information. | |
| Without Delay | Follow instructions expeditiously, specifically and safely. | |
| Wilco | Recibido y comprendido | I have received your message, understand it and will comply. |
| Words Twice | a) As a request: “Communication is difficult. Please send every word, or group of words, twice.” b) As information: “Since communication is difficult, every word, or group of words, in this message will be sent twice.” | |
| Ninety-Nine | Indicates that an aircraft emergency is in progress and that all vehicles must maintain radio silence and give way to emergency vehicles. |
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