SO Landing Logic

This page describes the SO flowchart for inbound aircraft and how each path leads to the final handling state.

High-level sequence

1. Aircraft starts at TE+TW FINAL.
2. Progresses to TE+TW RWY ARR.
3. Progresses to TE+TW TWY ARR.
4. Parking context and stand-type combinations then decide whether the strip remains unconcerned, moves to stand handling, or joins apron-arrival handling.

Decision logic by branch

1) From TE+TW TWY ARR to initial combinations

The flow branches by parking location and stand context:

• Parked on CARGO leads to GE.
• Parked on APRON (22R/04L/12 for LDG) leads to GW.
• Parked on APRON (22L for LDG, 12 feed) leads to AA.
• Parked on APRON (22L/04R/30 for LDG, TWY 8 feed) also leads to AA.

These outcomes create two working groups:

• GE + GW (cargo/apron mixed non-AA path)
• AA (apron-arrival path)

2) GE + GW path

GE and GW merge into GE+GW TWY ARR, then split again by current parking:

• If Parked on CARGO:
  • Move to GE+GW STAND.
  • Also mark as UNCONCERNED for APRON (left branch in the chart).
• If Parked on APRON:
  • Re-classify to AA and then join the apron-arrival stream.

3) AA / apron-arrival path

All AA-origin and AA-converted traffic converges to:

• APRON ARR / AA+AD TWY ARR
• then to APRON ARR / AA+AD STAND (final state)

Practical interpretation

• Cargo-side GE/GW traffic can end in a dedicated stand state and be treated as not relevant for apron concern.
• Any APRON-routed traffic (direct AA or GE/GW converted to AA) is funneled into the APRON ARR / AA+AD sequence until stand.