Heavy weight: high-tech dirigible will lift 40 tons.

• Author: Williams, Robert H.
• Position: TECH TALK - SkyHook JHL-40 - Brief article

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* A neutrally boyant aircraft--capable of transporting 40-ton loads up to 200 miles without refueling--is being developed by The Boeing Company of St. Louis and SkyHook International Inc. of Calgary, Canada.

The heavy lift, vertical take-off and landing rotorcraft is specifically geared to "address the limitations and expense of transporting equipment and materials to remote regions," according to a spokesman.

The SkyHook JHL-40 aircraft when operational will be capable of carrying payloads that are...