ADCP Shield & Mast – As Deployed

• Mast is used for stability during deployment
• Once shield is on bottom, the mast acoustic release is triggered
• Mast is then recovered using deployment line
• When instruments are to be recovered, acoustic release inside shield is triggered
• Instrument box inside shield releases and floats to surface
• Instrument box trails recovery rope that is attached to box and shield
• Instrument box is brought onboard
• Recovery rope is fed to winch
• Shield is winched aboard