Code F - Section 6

Question 1

Of the Code F routes available, which route requires a leader escort?

Answer 1

Code F require a leader escort when taxiing through the R/L junction.

Question 2

When using an escorted route, what shall GMC do when issuing taxi instructions?

Answer 2

GMC shall issue a complete taxi instruction (i.e. avoid the aircraft having to stop) when using any escorted route, to avoid excessive jet blast across stands.

Question 3

Can Code F aircraft be routed under the Pier 6 Connector Bridge?

Answer 3

No.

Question 4

When a Code F is on Alpha-November between P and A3, what is the maximum size aircraft allowed on Alpha-Sierra?

Answer 4

Code D.

Question 5

If an aircraft larger than Code D is on AS, can a Code F be on AN?

Answer 5

No. Code F aircraft must be held short of Papa while an aircraft larger than code D is on taxiway
Alpha-Sierra.

Question 6

Are Code F aircraft allowed on Alpha-Sierra?

Answer 6

Yes. But they are to be considered a runway movement as they will infringe the runway. A 20nm gap is recommended.

Question 7

While a Code F is holding at M1, which taxiway does the tail overhang and block?

Answer 7

Alpha-November at the junction with Mike.

Question 8

While a Code F is holding on Quebec-Bravo short of Quebec-Alpha, which taxiway does the tail overhang and block?

Answer 8

Lima, at the junction with Quebec.

Question 9

While Code F are routing between 558 and 26L via QB -> Q -> 08L -> AN, where must aircraft not be instructed to hold short?

Answer 9

• Facing eastbound on Kilo, short of Quebec
• Facing eastbound on Juliet, short of Quebec
• Facing eastbound on 08L, short of Quebec
• Facing southbound on Charlie, short of 08L

Question 10

While Code F are routing between 558 and 08R via QB -> Q -> J, where must aircraft not be instructed to hold short?

Answer 10

• Facing eastbound on Kilo, short of Quebec
• Facing northbound on Quebec, short of Juliet
• Facing northbound on Romeo, short of Juliet

Question 11

What are the restrictions associated with taxiway Y whilst a Code F aircraft is departing from 26L?

Answer 11

Taxiway Y between W1 and Y3 (block 14) is not available to any aircraft or vehicle
while a code F aircraft is departing runway 26L via A1 or M1.

Question 12

When a Code F is routing from Juliet or 08L onto Alpha/November or Bravo, where must other aircraft be held short?

Answer 12

• Short of Juliet southbound
• Short of November westbound

Question 13

Which stands are available for Code F aircraft?

Answer 13

558, 172M, 234M and 235M.

With prior co-ordination Stand 49/50 may be used, using Papa and Lima as access.

Question 14

Which runway line-up points may Code F aircraft use?

Answer 14

Any.

Question 15

Which runways are available for Code F aircraft?

Answer 15

26L/08R is available for Code F.

However 26R/08L is available for A380 takeoffs and subject to crew discretion, landings.

Question 16

Which Runway exits may Code F aircraft use?

Answer 16

Any except Delta, Echo and Mike.

Question 17

What is the specifed limitation on an aircraft using the ILS behind a Code F arrival?

Answer 17

A landing code F aircraft must have vacated the critical area by the time the next inbound using the ILS localiser has reached 8nm from touchdown.

Question 18

Behind a Code F arrival, how much non-ILS traffic will INT/FIN provide?

Answer 18

If weather conditions allow, KK INT/FIN shall provide a 15nm window of non-ILS traffic behind an
inbound code F aircraft, with an initial 8nm gap

Question 19

If weather conditions do not permit non-precision approaches, and INT/FIN therefore must continue with ILS approaches, what is the guidance for ILS aircraft following a Code F arrival?

Answer 19

A landing code F aircraft must have vacated the critical area by the time the next inbound using the ILS localiser has reached 8nm from touchdown.

Therefore, as guidance it is suggested that the code F aircraft must have landed by the time that the
next landing aircraft has reached 12nm from touchdown to ensure that the ILS critical area will not be
infringed.

15nm is suggested.

Question 20

What is the specifed limitation on an aircraft using the ILS behind a Code F departure?

Answer 20

A departing code F aircraft must have passed overhead the ILS localiser by the time the next inbound
on an ILS approach has reached 8nm from touchdown.

Question 21

Behind a Code F departure, how much non-ILS traffic will INT/FIN provide?

Answer 21

If weather conditions allow, KK INT/FIN shall provide a 20nm window of non-ILS traffic behind the inbound that the Code F will depart after, with an initial 8nm gap then continuing with the previously coordinated
spacing strategy.

Question 22

If weather conditions do not permit non-precision approaches, and INT/FIN therefore must continue with ILS approaches, what is the guidance for ILS aircraft following a Code F departure?

Answer 22

A departing code F aircraft must have passed overhead the ILS localiser by the time the next inbound
on an ILS approach has reached 8nm from touchdown.

Therefore, As guidance it is suggested that the departing code F aircraft must have commenced its takeoff roll by the time an inbound aircraft using the ILS has reached 12nm from touchdown to ensure that the ILS critical area will not be infringed.

20nm is suggested.

Question 23

What is the name of the larger ILS protected area that Code F aircraft must not infringe during LVPs?

Answer 23

DLSA. Dynamic Localiser Sensitive Area.

Question 24

What must happen to the ASMGCS when a Code F departure or arrival is expected during LVPs?

Answer 24

During LVPs the appropriate DLSA map must be displayed when

• An inbound code F aircraft is established on the ILS until it has landed and is north of taxiway Juliet, or
• A departing code F aircraft has pushed back until it is airborne and has passed over the ILS localiser

Question 25

What are the restrictions surrounding a Code F aircraft in the DLSA and other arrivals and departures?

Answer 25

No further landings or departures will be permitted until the code F aircraft has vacated the DLSA.

The landing code F aircraft must have vacated the DLSA by the time the next inbound aircraft using the ILS localiser has reached 2nm from touchdown

The landing code F aircraft must also have vacated the ILS critical area by the time the next inbound aircraft using the ILS localiser has reached 8nm from touchdown

Question 26

What is the suggested gap behind a Code F arrival during LVPs?

Answer 26

18nm.

This is because as guidance it is suggested that the code F aircraft must have landed by the time that the next inbound using the ILS localiser has reached 15nm from touchdown to ensure that the critical area will not be infringed.

Question 27

During its inbound taxi route from either runway, when will a Code F infringe the DLSA?

Answer 27

When the Code F is on Alpha-November or 08L/26R, west of Papa and is turning northbound across/into Juliet. The tail will infringe the DLSA.

Question 28

During LVPs, what needs to be considered regarding Code F departures/arrivals

Answer 28

The increased size LSA, known as DLSA.

Question 29

What is the standard route for a Code F aircraft to stand 558?

Answer 29

Juliet or 08L/26R -> Q -> QB and vice versa.

Question 30

What is the suggested gap behind a Code F departure during LVPs?

Answer 30

25nm

This is because it is suggested that the code F aircraft must have commenced its take-off roll by the time that a landing aircraft has reached 12nm from touchdown to ensure that the ILS critical area will not be infringed.