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Phonetic Alphabet & Numerals: DGCA Radio Telephony (RTR) questions

16 practice questions and 11 flashcards on Phonetic Alphabet & Numerals for the DGCA Radio Telephony (RTR) exam, with 1 linked simulator. Try the samples below, then practise the whole topic.

Practise this topic Flashcards (11)
Phonetics & Numbers Trainer

Key concepts

Say the ICAO numerals 0 to 9.

ZE-RO, WUN, TOO, TREE, FOW-er, FIFE, SIX, SEV-en, AIT, NIN-er.

  • Decimal point: DAY-SEE-MAL
  • Hundred: HUN-dred
  • Thousand: TOU-SAND

Tip: TREE, FIFE and NIN-er are the ones most often missed.

Why are some spelling-alphabet words spelt Alfa and Juliett?

So that speakers of every language pronounce them as intended.

  • Alfa: the spelling 'Alpha' might be read as 'Al-fuh' or 'Alp-ha'
  • Juliett: the second T makes French speakers say the last sound

Sample questions

Q1In the ICAO radiotelephony spelling alphabet, the letter J is spoken as:

  1. Juliet
  2. Jolly
  3. Jupiter
  4. Juliett
Show the answer

Answer: D. Juliett ICAO spells it Juliett, with two Ts, so that speakers of languages such as French do not drop the final sound.

Q2The ICAO spelling-alphabet word for the letter A is:

  1. Able
  2. Alpha
  3. Alfa
  4. Apple
Show the answer

Answer: C. Alfa It is written Alfa so that everyone pronounces it the same way, with an F rather than a PH.

Q3How is the numeral 9 pronounced in aeronautical radiotelephony?

  1. NIE-nuh
  2. NEIN
  3. NIN-er
  4. NINE
Show the answer

Answer: C. NIN-er Annex 10 gives NIN-er. The extra syllable prevents confusion with the German word nein (no).

Q4An altitude of 3 500 ft is transmitted as:

  1. three point five thousand
  2. TREE TOU-SAND FIFE HUN-dred
  3. thirty-five hundred
  4. TREE FIFE ZE-RO ZE-RO
Show the answer

Answer: B. TREE TOU-SAND FIFE HUN-dred Altitudes, heights and cloud heights in whole hundreds and thousands use the words HUN-dred and TOU-SAND with the digits said in ICAO form.

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More Radio Telephony (RTR) topics

Transmission Techniques & Procedures15 QDistress, Urgency & Safety16 QCommunication Failure11 QMessage Priority, Frequencies & Services13 QRadio Waves, Propagation & Equipment17 QQ Codes & Abbreviations14 QATS Phraseology & Read-back16 QMeteorological Information by RT10 Q

Practice questions for study. They are not real DGCA exam papers. Check the current DGCA syllabus and notices.