11. When should operational check on navigation equipment be done? ____
举一反三
- What should do when check in the hotel with a reservation?
- Where is navigation done the old-fashioned way?
- The SMS should provide for specific measures aimed at promoting the of equipment or systems, the sudden operational failure of which may result in hazardous situations. A.visibility B.ability C.reliability D.capability
- What should NOT be done when guessing unfamiliar words? </p></p>
- What should be taken off when you are going through the check