Kongsberg cNODE Maxi Float Collar: Deepwater Deployment & Recovery

Precision Flotation for LBL and Seabed Reference Transponders

Product Overview

The Kongsberg cNODE Maxi Float Collar is a heavy-duty flotation assembly designed specifically for the cNODE Maxi transponder series. It is a critical component for subsea operations where the transponder must be moored to the seabed in a vertical orientation—such as in Long Baseline (LBL) arrays or as a stationary Dynamic Positioning (DP) reference.

The collar provides the necessary buoyancy to keep the transponder upright and stable, ensuring the acoustic transducer has a clear, unobstructed line-of-sight to the surface vessel or subsea vehicle. When used with a cNODE Maxi equipped with an internal release mechanism, the float collar facilitates a safe and "hands-free" recovery of the expensive transponder asset.

Why Use the cNODE Maxi Float Collar?

• Safe Launch & Recovery: The integrated release design allows the transponder to disconnect from its anchor weight and float to the surface for easy pickup.
• Optimized Acoustic Geometry: By holding the transponder vertically, the collar ensures the acoustic beam pattern (Omni or Directional) is perfectly oriented for maximum signal strength.
• Deepwater Durability: Manufactured from high-grade syntactic foam, the collar is designed to maintain its buoyancy and structural integrity at extreme depths.
• Modular Integration: Designed to fit both Aluminium and Stainless Steel cNODE Maxi housings with specialized adapter kits available for models without built-in release hooks.