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Zipline Zipline Service Documentation

    CONTROLLER_FAILED_UNDOCKING

    published Last Updated: Oct 9, 2026 HW: all
    Applicable alarms (1)
    CONTROLLER_FAILED_UNDOCKING
    Likely outcomes (4 missions, 2 issues) — click to expand

    Based on 4 missions where this alarm fired in the last 90 days as of 2026-10-13

    Grounding vs discrepancy (of 2 ZERP issues filed on these missions)

    Grounding 100% (2 of 2 issues) Discrepancy 0% (0 of 2 issues)

    Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.

    Background

    Section titled “Background”

    This alarm indicates that the controller has failed the undocking behavior.

    Troubleshooting Steps

    Section titled “Troubleshooting Steps”
    1 action
    Follow the 0x60005 ZIP_ONBOARD_PLANNING_ERROR_CODES_MOTION_COMMAND_ERROR

    If there is no motion command failed error, escalate to P2 Zip Controls On Call

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    Topic history
    1. 2026-10-07 Susan Minne Bulk/mechanical change
      Replace individual guide ownership with system technical contacts
      Commit dca5a1a
    2. 2026-09-24 Susan Minne Bulk/mechanical change
      chore: backfill aircraft owner identities batch 1
      Commit fdb8ff2
    3. 2026-09-23 Susan Minne Bulk/mechanical change
      docs: remove obsolete Confluence metadata
      Commit 2d5374e
    4. 2026-09-13 Susan Minne Bulk/mechanical change
      feat: add MX approval metadata to topics
      Commit 406a785
    5. 2026-06-12 Susan Minne Bulk/mechanical change
      Update troubleshooting topics and escalation paths
      Commit 166da10
    6. 2026-05-28 Susan Minne Bulk/mechanical change
      Remove redundant topic applicability banners
      Commit e561ad0
    7. 2026-05-10 Susan Minne Bulk/mechanical change
      Reviewed migrated topics. Edited as needed. Published.
      Commit 6199e3f
    8. 2026-05-09 Susan Minne Bulk/mechanical change
      Fix high-confidence internal documentation links
      Commit a6593fc
    9. 2026-05-06 Gavin Edwards Bulk/mechanical change
      Remove redundant Engineer Owner table from topic body (#298)
      Commit 1619f07 PR #298
    10. 2026-05-05 Gavin Edwards Bulk/mechanical change
      Track 7+8: validator [X](X) collapse + 30 fid recoveries + 22 stub redirects
      Commit 385486c
    11. 2026-04-23 Gavin Edwards Bulk/mechanical change
      Replace all topics with 210 v3-generated baseline content
      Commit 9b61a6e
    12. 2026-04-15 Gavin Edwards Bulk/mechanical change
      Fix schema violations flagged by CI validator
      Commit 5c49b50
    13. 2026-04-15 Gavin Edwards Bulk/mechanical change
      Categorize 373 regenerated topics into subdirectories; drop 15 meta pages
      Commit 9bdc40f
    14. 2026-04-15 Gavin Edwards Bulk/mechanical change
      Replace topic corpus: 388 LLM-regenerated topics (round 1)
      Commit f950bfa
    15. 2026-04-14 Gavin Edwards Bulk/mechanical change
      Tag all 427 topics draft with DO NOT USE warning admonition
      Commit 1783498
    16. 2026-04-08 Gavin Edwards Bulk/mechanical change
      Refactor: single TopicPage component replaces 5 individual imports
      Commit 49b5720
    Baseline import
    Initial import into service_docs
    Imported by Gavin Edwards on 2026-04-08
    Import 10 more topics (100 pages!), ownership policy, Baraza investigation
    Commit 18bf53f
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