L4 FIS and VFR Procedures

Can AFIS issue clearances or instructions?

No, only advice and information

What kind of information does AFIS provide?

Pressure settings, runway in use, known traffic

Who is responsible for deciding how to proceed at an AFIS airfield?

The pilot

What phrase must never be used by the pilot?

Ready for take-off

Can AFIS provide conflicting traffic information?

Yes, but cannot give instructions

What should a pilot do after receiving traffic info from AFIS?

State intentions (e.g., "Holding, Wearside 17")

Can AFIS issue airborne instructions?

No, only provides information

Who decides how to join the circuit at an AFIS airfield?

The pilot

Can AFIS give a landing clearance?

No

Who decides whether to land, go around, or continue approach at an AFIS airfield?

The pilot

What is the purpose of a readback?

To confirm receipt of important instructions or information

Does the ATSU always prompt pilots to read back?

No, it's the pilot's responsibility

What should a pilot do if not ready to receive detailed instructions?

Request "standby"

What phrase summarizes the communication principle if unsure?

If in doubt, shout

What altimeter setting value format must be read back?

Including units if below 1000 hPa

What runway-related information must be read back?

Runway in use, clearances to enter/cross/take-off/land/hold short

Which SSR-related item must be read back?

Transponder code instructions

Must taxi and towing instructions be read back?

Yes

Must level, heading, and speed instructions be read back?

Yes

Is frequency change a readback-required item?

Yes

Should a pilot change frequency without informing ATSU?

No

What two instructions may initiate a frequency change?

"Contact…" or "Monitor…"

How should the decimal point in frequencies be transmitted?

As "decimal"

What must be done after changing frequency?

Contact the new station immediately

Can the pilot initiate a frequency change under an information service?

Yes

What must be done before transmitting on a new frequency?

Listen first to avoid interrupting

What format may a controller use to invite a pilot to give flight details?

"Pass your message"

What does TP AIR stand for in flight info messages?

Type, Position, Altitude, Intentions, Request

What should a pilot include when providing full en-route info?

Callsign, aircraft type, route, position, level, intentions

What does "standby" mean in R/T?

Wait and I will call you

Does "standby" give permission to enter controlled airspace?

No

What are two fallback options if unable to contact a new frequency?

Return to previous frequency or use planned alternate

Can a controller operate more than one frequency at a time?

Yes

What must a pilot always do before leaving a frequency?

Notify ATSU

How should flight levels be pronounced per ICAO?

Each digit individually (e.g., Flight Level One Zero Zero)

How are whole hundreds in flight levels pronounced in the UK?

Digit plus "hundred" (e.g., "Flight Level Two Hundred")

What must be included when issuing climb or descent instructions?

The word HEIGHT or ALTITUDE

Is "to" used in flight level messages?

No

Is "to" used in height or altitude messages?

Yes

What is the correct readback for a departure clearance including a transponder code?

Full route clearance and squawk code

What must a pilot say when instructed to cross a runway in ATC environment?

Read back and report when vacated

What phrase should not be used to describe frequency digits when 5th and 6th digits are zero?

They may be omitted