Numbers

Numbers

0 Zero ZE-RO
1 One WUN
2 Two TOO
3 Three TREE
4 Four FOW-ER
5 Five FAIVE
6 Six SIKS
7 Seven SEV-EN
8 Eight AIT
9 Niner NAIN-ER

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Number Combinations

DO NOT USE “DOUBLE” or “TRIPPLE” when a number repeats itself! Pronounce EACH DIGIT SEPARATELY!

example not correct correct
99 Double Niner Niner Niner
777 Tripple Seven Seven Seven Seven

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DO NOT SAY: “TEN”, "TWENTY",... !!

The only exception is when giving TRAFFIC INFORMATION, IT IS THE ONLY SITUATION WHERE YOU MUST USE TEN, ELEVEN or TWELVE O'CLOCK

10 One Zero
20 Two Zero
100 One Zero Zero

One Hundred

200 Two Zero Zero

Two Hundred

1000 One Zero Zero Zero

One Thousand

2000 Two Zero Zero Zero

Two Thousand

10000 One Zero Thousand
100000 One Hundred Thousand
99 Niner Niner
777 Seven Seven Seven

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Use the word “DECIMAL” in numbers containing a decimal point

118.250 one one eight DECIMAL two five zero
83052.7 eight three zero five two DECIMAL seven

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Attach:FR_Flag.gif France: the word “DECIMAL” may be skipped if there is no confusion.

Frequency

  • Use “DECIMAL” in numbers containing a decimal point
  • Always pronounce each digit separately
  • Pronounce all 6 digits, except if the frequency ends as - 00, then pronounce first 4
  • Always pronounce the first number after the decimal point, even if it is a zero

118.250 one one eight DECIMAL two five zero
120.600 one two zero DECIMAL six
121.875 one two one DECIMAL eight seven five
132.000 one three two DECIMAL ZERO

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Callsigns

  • Always pronounce each digit separately
  • More details about callsigns later on..

EIN631 SHAMROCK SIX THREE ONE
DAT77F ESTAIL SEVEN SEVEN foxtrot
TUB111 BEAUTY ONE ONE ONE

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Attach:Australia_Flag.gif Australia: Callsigns containing FLIGHT NUMBERS are transmitted in GROUP FORM eg. CATHAY TWENTY-SIX FOURTY-ONE

Headings

  • Always pronounce each digit separately

NEVER say “… HUNDRED”

Heading 060 Heading ZERO SIX ZERO
Heading 100 Heading ONE ZERO ZERO
Heading 190 Heading ONE NINER ZERO
Heading 360 Heading THREE SIX ZERO

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Wind Direction and Speed

  • Always pronounce each digit separately
  • Never say "... HUNDRED"

Always round wind direction to the nearest tenth !

100/11 100 degrees 11 knots wind ONE ZERO ZERO degrees ONE ONE knots
097/11 100 degrees 11 knots wind ONE ZERO ZERO degrees ONE ONE knots
193/18 190 degrees 18 knots wind ONE NINER ZERO degrees ONE EIGHT knots
050/18G25 050 degrees 18 knots gusting 25 wind ZERO FIVE ZERO degrees ONE EIGHT knots gusting TWO FIVE

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Transponder Code

  • Always pronounce each digit separately

SQUAWK 3500 Squawk TREE FIVE ZERO ZERO
SQUAWK 4301 Squawk FOUR THREE ZERO ONE

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Runways

  • Always pronounce each digit separately

Always pronounce 2 digits !

RUNWAY 25 Runway TWO FIVE
RUNWAY 08 Runway ZERO EIGHT
RUNWAY 25L Runway TWO FIVE LEFT
RUNWAY 25C Runway TWO FIVE CENTER
RUNWAY 25R Runway TWO FIVE RIGHT
RUNWAY 07R Runway ZERO SEVEN RIGHT

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Altimeter Setting

  • Always pronounce each digit separately

NEVER say “ONE THOUSAND”

QFE 1001 QFE ONE ZERO ZERO ONE
QNH 999 QNH NINER NINER NINER
QNH 1000 QNH ONE ZERO ZERO ZERO

  • QNH - pressure at mean sea level
  • QFE - pressure at the station/airport level

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Flight Levels

  • Always pronounce each digit separately

FL60 Flight Level SIX ZERO
FL80 Flight Level EIGHT ZERO
FL100 Flight Level ONE ZERO ZERO
FL190 Flight Level ONE NINER ZERO
FL200 Flight Level TWO ZERO ZERO
FL300 Flight Level THREE ZERO ZERO

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NEVER say Flight Level "ZERO ... x ... ZERO"

example not correct correct
FL100 Flightlevel ONE HUNDRED Flightlevel ONE ZERO ZERO
FL080 Flightlevel ZERO EIGHT ZERO Flightlevel EIGHT ZERO

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Attach:GB_Flag.gif United Kingdom: USE Flight Level “ONE HUNDRED, TWO HUNDRED, … HUNDRED”.

Altitude

Always use "…HUNDRED" or "…THOUSAND" for altitudes

700 FEET SEVEN HUNDRED Feet
4500 FEET FOUR THOUSAND FIVE HUNDRED Feet
10000 FEET ONE ZERO THOUSAND Feet
18000 FEET ONE EIGHT THOUSAND Feet

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Cloud Height

  • always use "…HUNDRED" or "…THOUSAND" for altitudes

3300 FEET THREE THOUSAND THREE HUNDRED
5900 FEET FIVE THOUSAND NINER HUNDRED
20000 FEET TWO ZERO THOUSAND

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Visibility

  • always use "…HUNDRED" or "…THOUSAND"

800 METERS Visibility EIGHT HUNDRED Meters
1000 METERS Visibility ONE THOUSAND Meters
9999 METERS Visibility ONE ZERO kilometers OR MORE

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Runway Visual Range

  • always use "…HUNDRED" or "…THOUSAND"
  • During LVP (Low Visibility Procedures) the Runway Visual Range is given

400 METERS RVR FOUR HUNDRED Meters
1100 METERS RVR ONE THOUSAND ONE HUNDRED Meters

  • When LVP is in progress, the RVR is given for 3 points:
    • Touchdown zone
    • Midpoint zone
    • Stop end zone

RVR 150/250/600 RVR TOUCHDOWN ONE FIVE ZERO Meters, MIDPOINT TWO FIVE ZERO Meters, STOP END SIX HUNDRED Meters

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Time

  • When transmitting time, only the minutes of the hour are required, except if there is any possibility of confusion
  • Pronounce each digit separately

06:30 THREE ZERO ZERO SIX THREE ZERO
19:48 FOUR EIGHT ONE NINER FOUR EIGHT

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Attach:FR_Flag.gif France: TEN, ELEVEN, TWELVE, ..., TWENTY-ONE, etc. are used

Other Numbers

  • Use “DECIMAL” in numbers containing a decimal point
  • Always pronounce each digit separately

200.5 TWO ZERO ZERO DECIMAL FIVE
83052.7 EIGHT THREE ZERO FIVE TWO DECIMAL SEVEN
648 SIX FOUR EIGHT

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