Harold is a helicopter. He lives at the Search and Rescue Center.
- Season 5: New Heights for Harold
- Season 8: A Challenge for the Controller
- Season 13: It's Good To Be Belle
- In the French version of Keekre24's series, Harold is called Herbert.
Harold is based on a Sikorsky S-55 helicopter with added floats, pontoon water built in the UK as the Westland Whirlwind.
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