HTC upgraded metal main rotor blades now EASA certificated

ROTOR Staff Industry News

Helicopter Technology Company (HTC) is pleased to announce approval of  SUPPLEMENTAL TYPE CERTIFICATE 10073531 For the European Union Aviation Safety Agency.

This Certificate/Approval is issued by EASA, acting in accordance with Regulation (EU) 2018/1139 on behalf of the European Union, its Member States and of the European third countries that participate in the activities ofEASA under Article 129 of that Regulation and in accordance with Commission Regulation (EU) No. 748/2012 to

HTC is now offering an Upgraded Version of their Metal Main Rotor Blades for commercial Bell Helicopters 204B, 205A, and 205A-1 along with various UH-1 model restricted category helicopters. 

The HTC Part Number 204P2100-103 Main Rotor Blade is a direct replacement the Bell Helicopter - Textron Part Number 204-011-250-113 Main Rotor Blade and an upgrade to the HTC Part Number 204P2100-101 blade.

The New -103 Blade offers a Titanium Single-Piece Lower Grip Plate that is Not Subject to the Current 25 hour Special Inspection.  The existing Bell -113 and HTC -101 configurations have a laminate of Aluminum and Steel.  By changing to the Titanium Single-Piece Grip, the possibility of dis-bonding between the two laminates will be eliminated. The -103 is not subject to the AD 2018-02-07 or AD 2018-02-08 Blade Inspection that requires inspection every 25 hours or two weeks.

HTC’s President states “We recognized that an upgrade was needed to the Main Rotor Blade Grips…  We chose Titanium for Greater Strength and worked to get it Certificated and into Production for UH-1 Operators…  This upgrade will provide Greater Safety and eliminate the need for the AD that was Requiring Inspections every 25 Hours.”

Part Number 204P2100-103 Main Rotor Blade Features:

  • FAA Certificated Interchangeable in any combination with BHT 204-011-250-113 Blade and the HTC 204P2100-101 Blade
  • Titanium Single-Piece Lower Grip Plate
  • Additional 48 inch (1219 mm) Stainless Steel Abrasion Strip at Tip
  • 7075 Aluminum Alloy Spar
  • High Visibility Paint Scheme
  • Main rotor blade life limit of 2,600 hours on: Commercial Bell models 204B, 205A, and 205A-1
  • Restricted category UH-1 models UH-1H,UH-1B (with STC SR00026DE tail boom extension installed), TH-1F, UH-1F, and UH-1P

Installation of this Blade is Fully Interchangeable and covered by FAA Supplemental Type Certificate (STC) Number SR02492LA.

About Helicopter Technology Company (HTC):  HTC designs and produces its own line of Helicopter Main and Tail Rotor Blades at its Facilities in Los Angeles, California.  The company is an FAA Approved Production Approval Holder (PQ2115NM-D), FAA Part 145 Repair Station (HQPR671X), and EASA Approved Repair Station (EASA.145.6708) with ISO 9001:2015 + AS9100D and ISO 9001:2015 + AS9110C Certifications.  Company Strengths include:  Structural Design, Structural Testing, Non-Destructive Testing (NDT), Tool Design and Fabrication, Metal-to-Metal Bonding, Structural Assembly, and Flight Testing.  HTC was formed in 1994 and has Rotor Blades in Service in more than 50 countries around the world.

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