Numbers
All numbers shall be transmitted by pronouncing each digit separately, except in the cases described below.
| Numeral or numeral element | Portuguese Pronunciation | English Pronunciation | Spanish Pronunciation |
|---|---|---|---|
| 0 | ZE RO | ZI ROU | CE RO |
| 1 | U NO or U MA | UAN | U NO |
| 2 | DOIS or DU AS | TU | DOS |
| 3 | TRÊS | TRI | TRES |
| 4 | QUA TRO | FAU OR | CUA TRO |
| 5 | CIN CO | FAIF | CIN CO |
| 6 | MEI A | SIKS | SEIS |
| 7 | SE TE | SE VEM | SIE TE |
| 8 | OI TO | EI T | O CHO |
| 9 | NO VE | NAI NE | NUE VE |
| 10 | DEZ | TEN | DIEZ |
| . | DE CI MAL | DEI CI MAL | DE CI MAL or CO MA |
| 100 | CEM | RÃ DRED | CIEN |
| 1000 | MIL | TAU ZAND | MIL |
Pronunciation variations
Variations in the pronunciation of numbers are permitted, specifically in articles 26 (1), 29 (2) and 32 (3) of MCA 100-16.
- Flight levels (FL) shall be transmitted by pronouncing each digit separately, except in English phraseology for flight levels expressed in whole hundreds (ending in 00), in which case the flight level is transmitted by pronouncing the hundreds digit followed by the word HUNDRED, whereas in Portuguese phraseology they are transmitted normally, digit by digit.
- Art. 29. The altimeter setting shall be transmitted by pronouncing each digit separately. Sole paragraph. For the setting of 1,000 hPa, it shall be transmitted as UNO MIL in Portuguese phraseology and as ONE THOUSAND in English phraseology.
- Art. 32. All numbers used in the transmission of altitude, cloud height, visibility and Runway Visual Range (RVR) information shall, in Portuguese phraseology, be transmitted digit by digit, separately, except when the values are whole multiples of 1,000, in which case the significant digits of the thousands are pronounced followed by the word MIL. § 1 In English phraseology, when the number consists only of whole hundreds or thousands, it is transmitted by pronouncing the corresponding first digit followed by the word HUNDRED or THOUSAND. § 2 In English phraseology, when the number is a combination of thousands and whole hundreds, it is transmitted by pronouncing the thousands digits followed by the word THOUSAND, and then the hundreds digit followed by the word HUNDRED.