4.8:33792/zero-takeoff-alt-check - #7971
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document zero takeoff altitude mission check Added in ArduPilot/ardupilot#33792. AP_Arming::mission_checks() now fails arming with "Mission: Zero takeoff altitude" if any takeoff-type mission command has an altitude of exactly 0, since that's almost always a forgotten value rather than intentional. Negative altitudes are not checked. Added to both the Mission: prose subsection and the main "Pre-Arm Failure Messages (All vehicle types)" table, matching how the other Mission: entries (No mission library present, No rally library present, Missing mission item: xxxx) are each mirrored in the table. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Documents the zero-takeoff-altitude mission arming check added in ArduPilot/ardupilot#33792.
AP_Arming::mission_checks()now fails arming with "Mission: Zero takeoff altitude" if any takeoff-type mission command has an altitude of exactly 0 (negative altitudes aren't checked). Added to both the Mission: prose subsection and the main "Pre-Arm Failure Messages (All vehicle types)" table, matching how the other Mission: entries are each mirrored in the table.