From 75704abfe5bebb4802a89590f92d0af05288076d Mon Sep 17 00:00:00 2001 From: TopPilot8362 <97037818+TopPilot8362@users.noreply.github.com> Date: Tue, 26 May 2026 23:53:46 +0100 Subject: [PATCH 1/3] Update fnan.md --- docs/Enroute/FNAN/fnan.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/Enroute/FNAN/fnan.md b/docs/Enroute/FNAN/fnan.md index 28cbbf52..075c5fb4 100644 --- a/docs/Enroute/FNAN/fnan.md +++ b/docs/Enroute/FNAN/fnan.md @@ -2,6 +2,9 @@ The Luanda FIR serves the country of Angola. +!!! warning + Radio Transceivers in the FNAN FIR are bugged especially over the ocean. + ## Airport Coverage The FIR serves all airports in Angola. From f52718fe68bc24c89afe57f3736bbc8a33af78d2 Mon Sep 17 00:00:00 2001 From: TopPilot8362 <97037818+TopPilot8362@users.noreply.github.com> Date: Tue, 26 May 2026 23:54:52 +0100 Subject: [PATCH 2/3] Add Luanda FIR documentation Added detailed information about the Luanda FIR, including airport coverage, classification, separation rules, SELCAL availability, SLOP, VFR rules, CPDLC, and sector details. --- docs/Enroute/AFRC_FSS/fnan1.md | 69 ++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 docs/Enroute/AFRC_FSS/fnan1.md diff --git a/docs/Enroute/AFRC_FSS/fnan1.md b/docs/Enroute/AFRC_FSS/fnan1.md new file mode 100644 index 00000000..075c5fb4 --- /dev/null +++ b/docs/Enroute/AFRC_FSS/fnan1.md @@ -0,0 +1,69 @@ +# Luanda FIR + +The Luanda FIR serves the country of Angola. + +!!! warning + Radio Transceivers in the FNAN FIR are bugged especially over the ocean. + +## Airport Coverage + +The FIR serves all airports in Angola. + +## Classification + +| Class | Type of flights | Separation provided | Service provided | Speed limitation | Radio communication requirement | Subject to an ATC clearance | Remarks | +|-------|------------------|------------------------|------------------|------------------|---------------------------------|------------------------------|---------| +| A | IFR only | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | +| B | IFR | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | +| ::: | VFR | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | +| C | IFR | IFR from IFR | ATC service | Not applicable | Continuous two-way | Yes | - | +| ::: | ::: | IFR from VFR | ::: | ::: | ::: | ::: | - | +| ::: | VFR | VFR from IFR | 1) ATC service for separation from IFR | 250 kt IAS below 3050m (10000ft) AMSL | Continuous two-way | Yes | - | +| ::: | ::: | ::: | 2) VFR/VFR traffic information (and traffic avoidance advice on request) | ::: | ::: | ::: | - | +| D | IFR | IFR from IFR | ATC service, traffic information about VFR flights (and traffic avoidance advice on request) | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | +| ::: | VFR | NIL | IFR/VFR and VFR/VFR traffic information (and traffic avoidance advice on request) | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | +| E | IFR | IFR from IFR | ATC service and, as far as practical, traffic information about VFR flights | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | +| ::: | VFR | NIL | Traffic information as far as practical | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | +| F | IFR | IFR from IFR (as far as practical) | Air traffic advisory service; flight information service | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | +| ::: | VFR | NIL | Flight information service | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | +| G | IFR | NIL | Flight information service | 250 kt IAS below 3050m (10 000 ft) AMSL | Continuous two-way | No | - | +| ::: | VFR | NIL | Flight information service | 250 kt IAS below 3050m (10 000 ft) AMSL | Continuous two-way | No | - | + +## Separation + +longitudinal time separation normally applied between aircraft at the same level on the same track in Luanda FIR is 20 minutes. + +Longitudinal separation based on Mach Number Technique (MNT) between jet aircraft flying on the same track, maintaining cruising level, climbing or descending will be 10 minutes or 9 to 5 minutes if the preceding aircraft is maintaining a faster Mach number than the following aircraft, the required separation shall be according the table below: + +a. 9 minutes if the preceding aircraft is maintaining a Mach number 0,02 faster than the following. + +b. 8 minutes if the preceding aircraft is maintaining a Mach number 0,03 faster than the following. + +c. 7 minutes if the preceding aircraft is maintaining a Mach number 0,04 faster than the following. + +d. 6 minutes if the preceding aircraft is maintaining a Mach number 0,05 faster than the following. + +e. 5 minutes if the preceding aircraft is maintaining a Mach number 0,06 faster than the following. + +Once the minimum of 10 minutes longitudinal separation based on the MNT is provided, the preceding aircraft shall maintain a Mach number equal or faster than the following. + +## Selcal + +SELCAL is available within the FNAN FIR airspace. + +## SLOP + +SLOP is possible on all enroute ATS routes between FL290 and FL410. + +## VFR rules + +VFR flights shall not be operated above FL200 without approval. + +## CPDLC + +CPDLC is available within Luanda FIR. Logon code (*FNAN*) +## Sectors + +| Position | Callsign | Frequency | CPDLC | Remarks | +|--------------|----------------|-----------|--------|---------| +| FNAN_CTR | Luanda Control | 118.500 | FNAN | - | From f18238512ed26d5170d1d70c9be0586d6c147575 Mon Sep 17 00:00:00 2001 From: TopPilot8362 <97037818+TopPilot8362@users.noreply.github.com> Date: Tue, 26 May 2026 23:55:09 +0100 Subject: [PATCH 3/3] Delete docs/Enroute/FNAN directory --- docs/Enroute/FNAN/fnan.md | 69 --------------------------------------- 1 file changed, 69 deletions(-) delete mode 100644 docs/Enroute/FNAN/fnan.md diff --git a/docs/Enroute/FNAN/fnan.md b/docs/Enroute/FNAN/fnan.md deleted file mode 100644 index 075c5fb4..00000000 --- a/docs/Enroute/FNAN/fnan.md +++ /dev/null @@ -1,69 +0,0 @@ -# Luanda FIR - -The Luanda FIR serves the country of Angola. - -!!! warning - Radio Transceivers in the FNAN FIR are bugged especially over the ocean. - -## Airport Coverage - -The FIR serves all airports in Angola. - -## Classification - -| Class | Type of flights | Separation provided | Service provided | Speed limitation | Radio communication requirement | Subject to an ATC clearance | Remarks | -|-------|------------------|------------------------|------------------|------------------|---------------------------------|------------------------------|---------| -| A | IFR only | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | -| B | IFR | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | -| ::: | VFR | All aircraft | ATC service | Not applicable | Continuous two-way | Yes | - | -| C | IFR | IFR from IFR | ATC service | Not applicable | Continuous two-way | Yes | - | -| ::: | ::: | IFR from VFR | ::: | ::: | ::: | ::: | - | -| ::: | VFR | VFR from IFR | 1) ATC service for separation from IFR | 250 kt IAS below 3050m (10000ft) AMSL | Continuous two-way | Yes | - | -| ::: | ::: | ::: | 2) VFR/VFR traffic information (and traffic avoidance advice on request) | ::: | ::: | ::: | - | -| D | IFR | IFR from IFR | ATC service, traffic information about VFR flights (and traffic avoidance advice on request) | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | -| ::: | VFR | NIL | IFR/VFR and VFR/VFR traffic information (and traffic avoidance advice on request) | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | -| E | IFR | IFR from IFR | ATC service and, as far as practical, traffic information about VFR flights | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | Yes | - | -| ::: | VFR | NIL | Traffic information as far as practical | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | -| F | IFR | IFR from IFR (as far as practical) | Air traffic advisory service; flight information service | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | -| ::: | VFR | NIL | Flight information service | 250 kt IAS below 3050m (10000 ft) AMSL | Continuous two-way | No | - | -| G | IFR | NIL | Flight information service | 250 kt IAS below 3050m (10 000 ft) AMSL | Continuous two-way | No | - | -| ::: | VFR | NIL | Flight information service | 250 kt IAS below 3050m (10 000 ft) AMSL | Continuous two-way | No | - | - -## Separation - -longitudinal time separation normally applied between aircraft at the same level on the same track in Luanda FIR is 20 minutes. - -Longitudinal separation based on Mach Number Technique (MNT) between jet aircraft flying on the same track, maintaining cruising level, climbing or descending will be 10 minutes or 9 to 5 minutes if the preceding aircraft is maintaining a faster Mach number than the following aircraft, the required separation shall be according the table below: - -a. 9 minutes if the preceding aircraft is maintaining a Mach number 0,02 faster than the following. - -b. 8 minutes if the preceding aircraft is maintaining a Mach number 0,03 faster than the following. - -c. 7 minutes if the preceding aircraft is maintaining a Mach number 0,04 faster than the following. - -d. 6 minutes if the preceding aircraft is maintaining a Mach number 0,05 faster than the following. - -e. 5 minutes if the preceding aircraft is maintaining a Mach number 0,06 faster than the following. - -Once the minimum of 10 minutes longitudinal separation based on the MNT is provided, the preceding aircraft shall maintain a Mach number equal or faster than the following. - -## Selcal - -SELCAL is available within the FNAN FIR airspace. - -## SLOP - -SLOP is possible on all enroute ATS routes between FL290 and FL410. - -## VFR rules - -VFR flights shall not be operated above FL200 without approval. - -## CPDLC - -CPDLC is available within Luanda FIR. Logon code (*FNAN*) -## Sectors - -| Position | Callsign | Frequency | CPDLC | Remarks | -|--------------|----------------|-----------|--------|---------| -| FNAN_CTR | Luanda Control | 118.500 | FNAN | - |