Exception for Post-Flight Notification due to System Failure

In plain language

You are only allowed to start your flight before submitting a flight plan if the online flight planning system is experiencing a technical outage and there is no other way to submit it beforehand.

Requirement as structured

The exception allowing an operator to submit a flight plan after starting a flight applies only when there is no available means to submit the plan beforehand due to a failure of the flight planning system.

Original regulatory text

5　法第百三十二条の八十八第一項ただし書の国土交通省令で定める場合は、飛行計画に係るシステムに障害が発生したことにより、飛行を開始するまでの間において飛行計画を通報する手段のない場合とする。