attwoodmarine.com SEATING SYSTEMS & PEDESTALS 184 To make specifying simple, we've created a coding system for each seat type. Throughout this catalog, each code listed in the table shows the rating applied to individual hardware. Seat Types & ABYC Requirements Exceeds the Highest Standards The American Boat & Yacht Council has established rigorous safety codes for seating hardware. Since seating is the critical interface between a boating passenger and a safe and comfortable boat, we exceed ABYC standards to ensure strength and safety of every product. Exceptions: 31.2.1 ABYC H31 standards do not apply to canoes, kayaks, sailboats, inflatables, race boats, tiller steered boats and boats rated for less than 10 horesepower or manual propulsion Seat Type: B (Not to be used at the helm/driver position) ABYC Requirements: 31.3 A seat designed for occupancy only at boat speeds not exceeding five miles per hour 31.8.3 Sustain dynamic loads at 1/2 the velocity required for Type A seats Seat Type: AN, Non-Operator (Not to be used at the helm/driver position) ABYC Requirements: 31.7.3 Swivel locking mechanism must sustain torque of 30 ft. lbs. 31.3 A seat designed for occupancy while the vessel is underway at any speed 31.7.1 Employ a locking mechanism for each plane or axis of movement 31.7.4 Seats with fore/aft adjustment must sustain static load of 300 lbs. for 3 minutes in mid position 31.7.5 Seats with a vertical adjustment feature shall have a positive locking mechanism 31.8.3 Sustain 10 impacts of 225 lbs. Seat Type: AO, Operator (Used at the helm/driver position) ABYC Requirements: 31.7.6.1 Must have positive locking swivels which withstand 150 ft. lbs. of torque 31.7.6.2 All seats interchangeable with the operator’s seat must meet the requirements of this section 31.3 A seat designed for occupancy while the vessel is underway at any speed 31.7.1 Employ a locking mechanism for each plane or axis of movement 31.7.4 Seats with fore/aft adjustment must sustain static load of 300 lbs. for 3 minutes in mid position 31.7.5 Seats with a vertical adjustment feature shall have a positive locking mechanism 31.8.3 Sustain 10 impacts of 225 lbs General requirements for all seat types. (AO, AN, B) 31.6.1 Provided with a means to preent unintentional detachment 31.8.7 Withstand static load of 450 lbs. 31.8.13.1 Adjustable height seats must withstand vertical dynamic test ABYC H31 Seat Standards Specific ABYC requirements are based on the specific seat type. Go to attwoodmarine.com for updated requirements.
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