ATS Coding

Information is said to be either _____ if it is _______ or ________ if it is written out

Encoded, Abbreviated, Decoded, Written Out

CYSB is the ______ form of Sudbury Airport

encoded

Toronto Pearson International Airport is the ______ form of CYYZ

decoded

A Flight Data Entry (FDE) usually has much more information written on it for a VFR flight compared to an IFR flight

False

An IFR FDE contains

Aircraft identification, aircraft type, altitude (flight planned, assigned, or both), speed (flight planned, assigned, or both), point of departure, route, and destination

FDE’s are often referred to as

strips

Units of measurement are usually ____ when coded in written form since the units are understood based on where they appear on the FDE

omitted

Time is expressed in a _____ digit sequence. If any possibility of confusion exists, the word ____ or letter ____ is used to denote Coordinated Universal Time (UTC)

4, Zulu, Z

usually local time is only used for something that is specific to _____ or sunrise/sunset

site

Opening an closing hours of a site would be given in _____ time

Local

10:43 AM in Saskatoon would be coded as ____ and phrased as ______

1743 or 1743Z, One-Seven-Four-Three (Zulu)

Midnight UTC would be coded as

0000 or 0000Z

0840 Local would be phrased as ____ and indicated _____

Zero-Eight-Four-Zero Local, 08:40AM local time

_____help ensure everyone is working to the same clock and are often provided when instructions are given for an aircraft to do something by a certain time

Time Checks

When providing a time check, transmit the information in ______ to the nearest _____

hours and minutes, half minute

Speed is expressed using _____

separate digits

At higher altitudes, speed will be a _____.

Mach number

When stating a Mach Number, it has a decimal point. ATS personnel would say _____ rather than _____

decimal, point

250 Knots would be coded as _____ and phrased as _____

250, Speed Two-Five-Zero (Knots)

M.84 would indicate a speed of _____ and be phrased as _____

Mach 0.84, Mach Decimal Eight-Four

Distance is expressed using separate digits in ______

Nautical Mile (NM)

One degree of latitude along the same line of longitude is equal to a distance of _____

60 NM

1 NM = _____ SM

1.15

In ATS, with the exception of ______ which is expressed in ______, all other references to miles are considered to be _____

Visibility, SM, NM

25 nautical miles would be coded as ______ and phrased as _____

25, Two-Five Miles

A coded distance of 5.8 would indicate _____ in plain language, and be phrased as _____

5.8 NM, Five Decimal Eight Miles

6 Statute Miles would be coded as _____ and phrased as _____

6 SM, Six Statute Miles

Heading is the direction in which the ________ axis of an aircraft is ______, usually expressed in degrees from north (true, magnetic, compass, or grid)

longitudinal, pointed

Heading is expressed in _____ as _______ numbers

degrees, three-digit

For heading, ________ are used except if deemed appropriate to use ______

degrees magnetic, degrees true

For due north, heading _____ is used

360

A heading of 008° magnetic would be coded as _____ and phrased as _______

008, Heading Zero-Zero-Eight

A heading of 260° True would be coded as ______ and phrased as ______

260, Heading Two-Six-Zero True

When using phraseology for altitude, express altitude _____ in _______ as appropriate

ASL, thousand of feet or thousands plus hundreds of feet

When coding in written form, express altitudes in _______ of feet

hundreds

In the standard pressure region express altitudes as _____

flight levels

Flight Levels are written as ______ numbers

three digit

Altitude of Two Thousand Seven Hundred would be coded as _____ and represent ______ in plain language

27, 2700ft

Altitude of 17,500 feet would be coded as ____ and phrased as ______

175, One-Seven-Thousand Fife Hundred

An aircraft flying at 20,000 would be coded as ____ and phrased as _____

FL200, Flight level Two-Zero-Zero

Altimeter settings are expressed as ______ numbers to the nearest _____ of an inch. The decimal point ______ indicated

four-digit, hundredth, is not

Altimeter Two-Niner-Eight-Fife would be coded as ____

2985

How would an altimeter of 3002 be phrased

Altimeter Three Zero Zero Two

When writing wind direction and speed, separate wind direction from speed by a _____

forward slash

Express wind direction as a ______ number indicating degrees ______

three-digit, magnetic

When wind direction and speed are taken from ______ wind instruments, code wind direction to the nearest ______ degrees, and wind speed to the nearest _____ knots

analog, 10, 5

When wind direction and speed are taken from ______ wind instruments, wind direction and speed are coded

digital, as the readout value

An analog instrument provides wind direction at 142 degrees at 14 knots. How would this be coded and phrased?

140/15, Wind One-Four-Zero at Fifteen Knots

A digital wind instrument provides a read out as 330 degrees at 18 knots. How would this be coded and phrased?

330/18, Wind Three-Three-Zero at Eighteen Knots

Visibility is measured in _____

SM

Visibility is the distance at which prominent ______ may be identified by _____ and prominent ____ objects may be identified at ______

unlit, day, lit, night

Visibility is expressed in SM using _____

separate digits

1 NM is equal to _______ feet

6280

1 SM is equal to ______ ft

5280

1 NM is equal to _____ SM

1.15

Visibility at Montreal Airport is 16 SM. How would this be phrased?

Visibility One-Six Miles

VFH or UHF frequencies are expressed using separate digits

True

If assigning frequencies in the ____ spacing groups, use only the _____ digits

25kHz, first 5

When phrasing radio frequencies, you may omit the word “decimal” if the omission is not likely to cause any misunderstanding

True

You are assigning a pilot to the radio frequency of 124.475 MHz. How would it be phrased?

One-Two-Four Decimal Four-Seven

A radio frequency of One-One-Eight-Seven Five would be coded as

118.75

Location identifiers represent the name and location of ________

an airport, navaid, or weather station

Location identifiers are not indicated on FDEs

False

______ are pronouncable identifiers that serve as a fix name, an assigned identifier, and a computer code for airway intersections

Five-Letter Identifiers

Most ____ are identified by _____ letters

aerodromes, 4

WIth 4 letter identifiers, the first letter generally represents a _______

country, region, or a group of countries

Three-Letter Identifiers are assigned to which of the following:

• VORs

• VORTACs

• TACAN Facilities

• Certain NDBs

• Meteorological Service of Canada (MSC) facilities

• Meteorological Stations

All of the above

In Canada, most three-letter identifiers begin with the letter ____ but some beging with _____

Y, Z and V

Two-Letter identifiers are assigned to many _____ and certain _____

NDBs, DMEs

_______ are assigned to NDBs or to private air navigation facilities

Number Letter Identifiers

Number Letter identifiers can be written as either a number-letter or a letter-number combination

True

_____ are assigned to smaller, secondary aerodromes

Letter Letter Number Identifiers

What details about an aircraft are included on FDEs

company identifiers, weight category, aircraft type, equipment

The weight category with the prefix of J/ indicates a ______ weight category

super

What is the prefix for a Heavy aircraft

H/

A medium weight category aircraft has the prefix of M/

True

L/ is the prefix for which aircraft weight category

Light

If a weight category prefix is omitted on an FDE it is ______ by default

Medium

_____ aircraft usually have more sophisticated types of equipment than _____

IFR, VFR

On an FDE, the aircrafts equipment appears _____ the ICAO designator (preceded by a /) with _______ letters that designate the type of equipment

after, one or more