VHA recently published Technical Bulletin 20630000-2R1 titled “206 Main Rotor Blade Track and Balance Guidance.” This tech bulletin contains track and balance best practices and polar charts applicable to all VHA 206 main rotor blades, . . . Keep Reading
Van Horn Aviation recently received FAA approval to extend the service life of the grip plates on the original 206B main rotor blades (Part No. 20631000-101) from 2,800 hours to 4,800 hours. This change results . . . Keep Reading
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