Van Horn Aviation has recently become aware of a particular flight condition that can set off an extreme vertical hop on lightly loaded LongRangers using VHA main rotor blades. In cases where a 206L fitted . . . Keep Reading
Van Horn Aviation engineers presented a Manufacturer’s Tech Brief on installation and repair procedures of composite rotor blades at HAI Heli-Expo 2022 on Tuesday, March 8 at 3 pm. Approximately 35 technicians and other company . . . Keep Reading
To streamline documentation efforts for our customers and ourselves, Van Horn Aviation petitioned the FAA to allow us to publish one Instructions for Continued Airworthiness (ICA) for our 206 series tail rotor blades (part number . . . Keep Reading
Due to supply chain challenges, we are temporarily out of the Aurora WC-6TG-10 bearings used in the 206 series tail rotor blades. We expect to have them back in stock in first quarter of 2022. To continue . . . Keep Reading
To assist operators in their goal of a smooth and painless track & balance experience, VHA engineers recently compiled a set of procedures and best practices for performing track & balance on VHA 206B/L main . . . Keep Reading
VHA’s 206B/L main rotor blades were initially designed with two or three overlapping abrasion strips covering the the leading edge. The inboard and middle abrasion strips were made from roll-formed stainless steel; the outboard tip . . . Keep Reading
Once rotor blades have been installed, typically they stay on or very close to the helicopter. But sometimes unforeseen circumstances require the blades to be shipped to another facility for overhaul, repair, painting, or because . . . Keep Reading
The Issue Operators have reported partial debonding of trim tabs on a small number of main rotor blades. Trim tab assemblies on VHA main rotor blades consist of two identical trim tabs that are bonded . . . Keep Reading
The Issue A few operators of VHA 206L main rotor blades (P/N 20633000-101) have found cracks in the leading edge abrasion strips (either inboard or at the tip) within the first 1,000 hours of flight. . . . Keep Reading
The Issue A known characteristic of VHA’s first UH-1 tail rotor blade, part number 2042200-101, is paint cracking along the edge of the largest doubler ply in the doubler stack on both sides of the . . . Keep Reading
If your 206 or UH-1 is down for maintenance, now is the time to consider repainting your tail rotor blades. VHA recently switched to a new nano hybrid polyurethane (NHP) topcoat that provides increased durability, . . . Keep Reading
VHA engineering staff posted a major revision to the CSS-500-WC-6TG-10 Bearing Installation guide in March 2019. Revision D of this customer support specification includes revised procedures for the removal, installation, and inspection of the WC-6TG-10 . . . Keep Reading