-
USM High Tower Mount USM HighTower Over-the-Side (OTS) Mount. Comes with HighTower base assembly with gear drive and shear block, 7-ft x 4.0" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate purchased separately as this will be permanently installed on the vessel. -
USM HighTower Bow Mount USM HighTower Bow Mount. Comes with HighTower base assembly with gear drive and shear block, 8-ft x 4.5" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate sold separately and is a consumable item as it will be permanently affixed to the vessel. -
USM HighTower Bow Mount Equipment rental to supply a USM HighTower Bow Mount. Comes with HighTower base assembly with gear drive and shear block, 8-ft x 4.5" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate sold separately and is a consumable item as it will be permanently affixed to the vessel. -
USM High Tower OTS Mount Equipment rental to supply a USM HighTower Over-the-Side (OTS) Mount. Comes with HighTower base assembly with gear drive and shear block, 7-ft x 4.0" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate purchased separately as this will be permanently installed on the vessel. -
USM MegaTower OTS Mount USM MegaTower Over-the-Side (OTS) Mount. Comes with MegaTower base assembly and shear block, 12-ft x 4.5" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate sold separately and is a consumable item as it will be permanently affixed to the vessel. -
The MegaTower OTS (Over-The-Side) Mount is a heavy-duty, universal sonar mounting solution engineered for professional hydrographic survey operations. Designed for flexibility, durability, and stability, the MegaTower is ideal for deploying multibeam echosounders, sub-bottom profilers, USBL systems, and other sonar instruments on vessels of opportunity or dedicated survey platforms.

SeaGear Oceanographic Winch (Rental)
R2Sonic Dual Head Mounting Bracket 2020 (Rental)
EdgeTech 4205 Tri-Frequency Side Scan Sonar
QPS Qimera 2 (Rental)
EdgeTech 3400-OTS Ultra-Lightweight Pole-Mount Subbottom Profiler (4-24 kHz)
R2Sonic 2024 Multibeam Sonar (Rental)
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle & 4 kW Amp
USM Compact OTS Sonar Mount (Rental)
EdgeTech 3400-OTS Lightweight Sonar Head (2-16 kHz) Subbottom Profiler
EdgeTech ASSY Top 3400 Subbottom Profiler Pole Mounted Sonar Head
EdgeTech 4125i Dual Frequency Side Scan Sonar (Rental)
R2Sonic 2022 Multibeam Sonar (Rental)
Trimble SPS851 DGPS Receiver (Rental)
EdgeTech 3400-OTS Low Freq Subbottom Profiler Pole-Mount SBP & 4 kW Amp
EdgeTech 4125i Side Scan Sonar Depressor Wing Kit
EdgeTech ASSY Top 3400 Subbottom Profiler Combined Towed & Pole Mounted Sonar
EdgeTech 3400 Dual 216 Subbottom Profiler Towfish With Tow Bridle
R2Sonic 2026 Multibeam Sonar (Rental)