types of helicopters

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Across
  1. 1. Firefighting helicopter?
  2. 4. Russian troop transport helicopter?
  3. 6. Rescue or salvage helicopter?
  4. 7. transport helicopters?
  5. 9. Medical transport helicopters?
  6. 10. Crane or cargo helicopter?
Down
  1. 2. combat helicopters from usa?
  2. 3. Police helicopter?
  3. 5. Unmanned helicopter?
  4. 8. Civil helicopters?