Below are links to documents pertaining to VHA 206L LongRanger main rotor blades, part number 20633000-101.
Installation and Warranty
206L Main Rotor Blade READ ME FIRST with Warranty Info
Supplemental Type Certificates
FAA Supplemental Type Certificate STC SR02684LA
Transport Canada Supplemental Type Certificate STC SH18-69
Brazil ANAC Supplemental Type Certificate STC 2018S11-11
India DGCA Validation for 206L-4 Only
Indonesia DGCA STC Validation
Instructions for Continued Airworthiness
206L Main Rotor Blade ICA VMM-MR-206L-501 Rev B