The holder of GBS L-1 certificate are qualified to perform blade service inspection on all types of WTG blades, according to Global Blade Service Standard.

The holder has knowledge to:

  • Describe the general construction of WTG blades
  • Describe health risk involved when handling polyester, epoxy and isocyanates
  • Use correct terms for blade communication
  • Recognize different types of defects and damages
  • Assess and categorize defects and damages

And have competences to:

  • Carry out General Visual Inspection, from ground level
  • Carry out Close Visual inspection, use of hands, tape measures, photo cards, off rope or crane
  • Carry out Detailed Visual Inspection. Use of tools to further inspection of damage by sanding away damaged paint/gelcoat, and visually inspect laminate, and bonded joints
  • Carry out minor cosmetic repair of surface coatings
  • Fill in blade status report

Level 1 Technicians

Rhune Hulin-Hodgson
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Rhune Hulin-Hodgson

Tech. no. GBS-380Level 1 Technician - No. Level 1: 13.10.2025, Level 2: 13.10.2025GB
Level 1Level 2
Terrel Gonzales
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Terrel Gonzales

Tech. no. GBS-381Level 1 Technician - No. Level 1: 13.10.2025, Level 2: 13.10.2025USA
Level 1Level 2
Adam Trebulak
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Adam Trebulak

Tech. no. GBS-382Level 1 Technician - No. Level 1: 13.10.2025, Level 2: 13.10.2025Czeck Republic
Level 1Level 2
Shinichi Tokugawa
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Shinichi Tokugawa

Tech. no. GBS-383Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026EurusJapan
Level 1Level 2
Naoya Nakamura
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Naoya Nakamura

Tech. no. GBS-384Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026EurusJapan
Level 1Level 2
Eiji Nishiguchi
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Eiji Nishiguchi

Tech. no. GBS-385Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026Usami EngineeringJapan
Level 1Level 2
Kouki Tamura
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Kouki Tamura

Tech. no. GBS-386Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026Usami EngineeringJapan
Level 1Level 2
Masahiro Nakamura
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Masahiro Nakamura

Tech. no. GBS-387Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026Usami EngineeringJapan
Level 1Level 2
Asuka Uchigata
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Asuka Uchigata

Tech. no. GBS-388Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026Usami EngineeringJapan
Level 1Level 2
Yuki Ando
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Yuki Ando

Tech. no. GBS-389Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026RATS Co., LtdJapan
Level 1Level 2
Renma Ohtani
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Renma Ohtani

Tech. no. GBS-390Level 1 Technician - No. Level 1: 11.03.2026, Level 2: 14.03.2026EurusJapan
Level 1Level 2