आप्तपुरुषाधिष्ठितं यानवाहनमारोहेत् नावं चाप्तनाविकाधिष्ठितम् ॥ कZ_०१.२१.१८ ॥
āptapuruṣādhiṣṭhitaṃ yānavāhanam ārohet nāvaṃ ca āptanāvikādhiṣṭhitam ।
他只应乘坐由可信之人管理的车乘;同样,也只应乘坐由可信船夫管理的船只。
Operator trust and supervision: the vehicle/boat must be under vetted, reliable personnel to prevent sabotage or ambush facilitation.
Use of cleared drivers/pilots/crew, controlled fleets, and strict custody of vehicles before and during movement.