Tags: Aircraft.
The 21st Century Airships SPAS 13 is a Canadian semi-rigid helium airship demonstrator designed and built by 21st Century Airships of Newmarket Ontario.
Tags: Aircraft.
The 21st Century Airships SPAS 13 is a Canadian semi-rigid helium airship demonstrator designed and built by 21st Century Airships of Newmarket Ontario.
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