In the ATC flight plan Item 19, if the number of passengers to be carried is not known when the plan is ready for filing:

Question

Question ATPL - Airline Transport Pilot license - Flight Planning and Monitoring

QuizVDS · Accepted Answer

'TBN' (to be notified) may be entered in the relevant box

QuizVDS · Answer

An estimate may be entered but that number may not subsequently be exceeded

QuizVDS · Answer

The plan should be filed with the relevant box blank

QuizVDS · Answer

The plan may not be filed until the information is available

Id 94 - ATPL - In the ATC flight plan Item 19, if the number of passengers to be carried is not known when the plan is ready for filing: