TRAFFIC_IN_TAKEOFF_AIRSPACE
This alarm is covered by this guide. Applicable alarms (1)
Likely outcomes — click to expand
Based on 5,526 missions where this alarm fired in the last 90 days as of 2026-10-13
Grounding vs discrepancy (of 56 ZERP issues filed on these missions)
Frequently replaced parts
| Part | P/N | Removals |
|---|---|---|
| SERVO, ASSY, UNIVERSAL, P2 | 20398 | 34 |
| WING PORT, ZIP, P2 | 24762 | 30 |
| WING ASM FULL, STRBRD(RH), ZIP, P2 | 25266 | 30 |
| CW/CCW HOVER MOTOR ASSY, ZIP, P2 | 19607 | 16 |
| ASSY, SPOOL AND LINE, DOCKING FIN, AIRCRAFT, P2 | 48477 | 11 |
Frequently co-occurring alarms (% of the 5,526 missions above)
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”The Aircraft has detected another aircraft in the takeoff space. Takeoff will only be allowed after the airspace clears. You may see this alarm persist if the Aircraft was put to sleep while traffic was in the area.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
wake-the-aircraft-up-if-applicable["<small><b>Step 1</b></small><br/>Action: Wake the Aircraft up, if applicable."]
is-the-alarm-still-present{"<small><b>Step 2</b></small><br/>Question: Is the alarm still present?"}
power-cycle-the-aircraft-power-cycle-ai["<small><b>Step 3</b></small><br/>Action: Power cycle the Aircraft Power Cycl..."]
is-the-alarm-still-present-2{"<small><b>Step 4</b></small><br/>Question: Is the alarm still present?"}
escalate-to-p2-autonomy-on-call{{"<small><b>Step 5</b></small><br/>Escalation: Escalate to P2 Autonomy On Call."}}
the-aircraft-may-return-to-service("<small><b>Step 6</b></small><br/>Reference: The Aircraft may return to service.")
the-aircraft-may-return-to-service-2("<small><b>Step 7</b></small><br/>Reference: The Aircraft may return to service.")
wake-the-aircraft-up-if-applicable --> is-the-alarm-still-present
is-the-alarm-still-present -->|Yes| power-cycle-the-aircraft-power-cycle-ai
is-the-alarm-still-present -->|No| the-aircraft-may-return-to-service-2
power-cycle-the-aircraft-power-cycle-ai --> is-the-alarm-still-present-2
is-the-alarm-still-present-2 -->|Yes| escalate-to-p2-autonomy-on-call
is-the-alarm-still-present-2 -->|No| the-aircraft-may-return-to-service
style wake-the-aircraft-up-if-applicable fill:#dcfce7,stroke:#22c55e,color:#14532d
style is-the-alarm-still-present fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style power-cycle-the-aircraft-power-cycle-ai fill:#dcfce7,stroke:#22c55e,color:#14532d
style is-the-alarm-still-present-2 fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style escalate-to-p2-autonomy-on-call fill:#fef3c7,stroke:#f59e0b,color:#78350f
style the-aircraft-may-return-to-service fill:#f3e8ff,stroke:#a855f7,color:#581c87
style the-aircraft-may-return-to-service-2 fill:#f3e8ff,stroke:#a855f7,color:#581c87 Hover or focus a block to preview it. Select the block to keep the preview open.
Resolution note
This plaintext block is ready to paste into the Resolution Note field on the ZERP issue you're working. The permalink below gives engineering review access to the full step-by-step timeline including any back-navigation; share it if the case needs a deeper look.
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