traditional exercise

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Across
  1. 2. something neglected, left out, or left undone.
  2. 3. a channel for conveying water or other fluid.
  3. 4. an acronym of the person aboard an aircraft who is ultimately responsible for its operation and safety during flight.
  4. 6. of, occurring on, or affecting one side only
  5. 12. a cover that holds engines, fuel, and equipment on an aircraft but is separate from the fuselage
  6. 13. rules and regulations to govern flight under conditions in which flight by outside visual reference is not safe.
  7. 14. put right; correct.
  8. 15. a structural, weatherproof enclosure that protects a radar antenna.
  9. 16. an acronym of a special part of flight rules for one-engine-inoperative flight conditions.
Down
  1. 1. expectation or prediction.
  2. 5. an eyelet placed in a hole to protect or insulate a rope or cable passed through it or to reinforce the hole.
  3. 7. signals the pilot to keep turning, slow down, stop, and shut down engines
  4. 8. I have received your message, understand it and will comply
  5. 9. (chiefly of metals) containing or consisting of iron.
  6. 10. precision approach path indicator
  7. 11. controls the roll of an airplane.