GEAS missions require equipment that can perform under extreme conditions.
Our work focuses on the refilling, inspection, cleaning, and verification of breathing-air cylinders, ensuring each unit meets the safety standards required for operations in harsh environments.
From our facilities in Palma de Mallorca, we provide support to all GEAS bases in the archipelago.
As an authorized and certified service center, we carry out preventive and corrective maintenance for diving cylinders:
The goal: to ensure every operation is carried out with maximum respiratory safety, both on the surface and underwater.
From our facilities in Palma, we provide technical service across Mallorca, Menorca, Ibiza, and Formentera, and we offer direct support to GEAS bases and other underwater rescue units.
We can travel to ports, vessels, or coastal facilities to carry out on-site inspections or collect equipment.
At Oscar Sierra, we work with the highest quality and safety guarantees. We have official approval from the Merchant Navy, ISO 9001:2015 certification, and the backing of Lloyd’s Register. These international accreditations guarantee that all maintenance and servicing of nautical equipment is carried out in accordance with the most demanding standards, giving your boat the reliability it needs to sail in Mallorca and the rest of the Balearic Islands.
Authorized by the Balearic Marine to keep your boat safe at all times.
ISO certification that supports our ongoing commitment to the highest quality.
Recognized by Lloyd's Register as an international guarantee of nautical reliability.
These certifications ensure full traceability and reliability for every service intervention, meeting the operational requirements of maritime and underwater response units.
At Oscar Sierra, we provide a fast, certified, and specialized service for operational units. Request inspection, refilling, or replacement of compressed air cylinders with full traceability.
Frequently asked questions from our customers:
SCBA´s are designed for contaminated or oxygen-depleted atmospheres, not for immersion. GEAS use only dive equipment (SCUBA) for under water operations.
Yes, each serviced cylinder will receive a certificate with date, serial number, etc….
