The Airmar B117 is the industry benchmark for low-profile thru-hull transducers, combining a 50/200 kHz dual-frequency single ceramic element in a bronze housing that protrudes only 5mm (3/16") beyond the hull. The nearly-flush profile cuts drag while the right-angle cable exit keeps headroom low and shields the cable if the transducer is accidentally stepped on. A rubber washer is included to seal against irregular hull surfaces, and the housing meets ABYC H-27 compliance standards. Suited for vessels 25 feet and up, this unit delivers sharp target detail in shallow water at 200 kHz and reliable bottom tracking in deep water at 50 kHz.

Specifications:

• Frequencies: 50/200 kHz, dual-frequency, single ceramic element
• Functions: Depth and temperature
• Housing material: Bronze
• Hull deadrise: Up to 8°
• Hull protrusion: 5mm (3/16")
• Required hole diameter: 51mm (2")
• Acoustic window: Urethane
• Weight: 0.9 kg (2.0 lb)
• Boat size: 8M (25') and up
• Cable connector: Humminbird #9 Plug, 7-pin
• ABYC H-27 compliant housing
• Includes rubber washer for irregular hull surfaces
• Right-angle cable exit for low headroom

Note: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Resources:

• Owner's Manual (PDF)
• Quick Start Guide (PDF)
• Product Brochure (PDF)