COULD_NOT_RUN
Applicable alarms (1)
Likely outcomes — click to expand
Based on 0 missions where this alarm fired in the last 90 days as of 2026-10-13
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”This alarm occurs when the Terrain Proximity Check is missing required inputs to determine whether the Zip satisfies map clearance requirements.
This could be due to missing inputs from nav, maps, or the cloud.
Troubleshooting Steps
Section titled “Troubleshooting Steps”Alarm causes preflight failure
Section titled “Alarm causes preflight failure”graph TD
is-this-first-time-alarm-has-occurred{"<small><b>Step 1</b></small><br/>Question: Is this the first time that the alarm..."}
power-cycle-the-zip["<small><b>Step 2</b></small><br/>Action: 1. Power cycle the Aircraft: Power C..."]
escalate-to-p2-autonomy-on-call{{"<small><b>Step 3</b></small><br/>Escalation: Escalate to P2 Autonomy On Call."}}
is-this-first-time-alarm-has-occurred -->|Yes| power-cycle-the-zip
is-this-first-time-alarm-has-occurred -->|No| escalate-to-p2-autonomy-on-call
style is-this-first-time-alarm-has-occurred fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style power-cycle-the-zip fill:#dcfce7,stroke:#22c55e,color:#14532d
style escalate-to-p2-autonomy-on-call fill:#fef3c7,stroke:#f59e0b,color:#78350f Hover or focus a block to preview it. Select the block to keep the preview open.
2. If the
COULD_NOT_RUN alarm is still set, escalate to P2 Autonomy On Call.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.
Permalink:
Session is too large to fit in a URL. Use Download session JSON to share the timeline out-of-band.
Alarm causes flight failure / paraland
Section titled “Alarm causes flight failure / paraland”Conduct incident response and escalate to P2 Zip Autonomy On Call.
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