Van Horn Aviation | Composite Rotor Blades
Van Horn Aviation | Composite Rotor Blades

Spotlight on Quantum Helicopters

Based in the stunningly beautiful Coast Mountains of Northwest British Columbia in Canada, Quantum Helicopters Ltd operates a small fleet of Bell 206B JetRanger, Bell 206L LongRanger, and Airbus H125 (Eurocopter EC350 AStar) helicopters.

While Quantum works primarily in the Northwest bordering on Alaska, client requests have taken its helicopters across Canada and into the high arctic regions of the country. Quantum’s highly qualified staff support a wide variety of industries.  Year-round support of the tourism industry provides access to remote fishing locations in world class waters, and mountain top cabins for those heli-ski adventure seekers. Environmental monitoring includes fish counts, poaching patrols and archaeology, made possible with helicopters outfitted to suit the rugged terrain. Forestry, mineral exploration, oil/gas, and maintenance services are available to meet the needs of life and industry in western Canada.

Quantum Helicopters was the first Canadian operator to install and fly VHA’s 206L Long Ranger main rotor blades earlier this year (2019). Quantum Director of Maintenance Barclay Macdonald assisted with the blades’ installation, with pilot Melody Steele on hand to fly the first flights. “It was amazing how beautifully balanced and smooth our VHA blades were and the miniscule adjustments they required,” said Steele. “There were zero difficulties in setting up the new VHA blades.”

“The Van Horn blades were almost perfectly balanced to one another,” said McDonald. “The static balance was almost over before it began with only the smallest of weight put into one blade bolt and no need for sweep. Once the pitch links were set to satisfactory hover vertical vibration at .05 ips, the machine was smoothed to .12 ips at 130 mph with only 1-1/2 degree of up tab to a single outboard tab.”

Quantum has put more than 150 hours of service on the blades, and the staff has noticed differences between the OEM metal blades and the new VHA composite blades. “The biggest change for us is the sound difference,” said McDonald. “It’s lost its thump and now has a whispy-whisp sound. It’s also gone from not very good ride quality to fantastic ride quality.” 

Steele also commented on the ride quality of the Van Horn blades. “As you begin to lift into that first hover, you feel that you are simply floating into the air,” Steele said. “Entering translational lift, the aircraft seems to effortlessly climb skywards. In general, there is an overall improved smoothness to the aircraft with the blades producing a different ‘feel’ in the cabin. This smoothness is consistent in all aspects of flight and we are convinced our customers will appreciate it just as much as we do.”

In addition, as minor as it may seem to some people, Steele says that the new tie down setup for the blades has been an unexpected bonus. “It’s eliminated what can sometimes be a struggle tying down the blades,” Steele said, “Especially in windy weather and particularly for the short folks!”

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By Kim VHA April 25, 2025
For 206L LongRanger operators flying P/N 20633000-101 serial numbers A007-A009 or A012-A104, we would like to remind you that these blades are subject to AD 2022-22-08, which requires recurring tap inspections every 400 flight hours or 2,400 engine starts, whichever comes first. You can learn more about the tap test requirements and procedure in our video . These blades are likely to develop a delamination in the area of the weight pocket on the lower surface of the blade. The AD further requires removing the blades from service if the delamination reaches 6 inches in length. However, extensive company testing indicates that all blades will likely achieve their full retirement life before that occurs. So long as the delamination is monitored and does not exceed the permitted length, the blades are entirely safe to fly with no adverse effects on aircraft behavior or performance. Operators are required to report their findings at every inspection interval to VHA for tracking using the form on the last page of Service Bulletin 33000-4 . Completed forms should be emailed to info@vanhornaviation.com . Providing this data helps to ensure all operators of these blades remain safe. All of the identified blades are likely to have delaminations, so if none are detected please contact us for assistance. In addition, this AD is considered an interim action and once sufficient data is gathered it may be updated to reduce the required frequency of inspection. Refer to AD 2022-22-08 and SB 33000-4 for further information.
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