232 SEATING SYSTEMS & PEDESTALS
attwoodmarine.com
Seat Types & ABYC Requirements Meets the Highest Standards
The American Boat & Yacht Council has established rigorous safety standards for seating hardware. Since seating is the critical interface between a boating passenger and a safe and comfortable boat, we meet ABYC standards to ensure strength and safety of every product.
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 Type: AN, Non-Operator (Not to be used at the helm/driver position) ABYC Requirements: 31.7.4.2 Seat swivel locking mechanisms, when locked, shall not rotate relative to the seat base when subjected to a torque of 30 ft-lb (41 Nm). 31.4.10 Type A Seat - a seated designated occupant position while the vessel is underway at any boat speed. 31.7.1 All Type A adjustable seat slide and swivel mechanisms shall be provided with a locking means for its slide and swivel operations.
Seat Type: AO, Operator (Used at the helm/driver position) ABYC Requirements: 31.7.4.3 All operator's seats shall have a
Seat Type: B (Not to be used at the helm/driver position) ABYC Requirements: 31.4.11 Type B Seat - a seated designated
positive locking mechanism that permits the seat to be locked in the forward facing position and any
occupant position at boat speeds not exceeding five miles per hour.
other intended position(s) and capable of withstanding 150 ft-lb (205 Nm) of torque. 31.7.6.2 All seats interchangeable with the operator’s seat must meet the requirements of this section. 31.4.10 Type A Seat - a seated designated occupant position while the vessel is underway at any boat speed. 31.7.1 All Type A adjustable seat slide and swivel mechanisms shall be provided with a locking means for its slide and swivel operations. 31.7.2 Seats with fore/aft adjustment must sustain static load of 300 lbs. for 3 minutes in mid position. 31.7.3 Operator seats with a vertical adjustment feature shall have a
Exceptions: 31.1
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.
31.7.2
Seats with fore/aft adjustment must sustain static load of 300 lbs. for 3 minutes in mid position.
31.7.3 Operator seats with a vertical adjustment feature shall have a
positive vertical locking mechanism. EXCEPTION: Seats equipped with a pneumatic or electrical vertical adjustment feature that permits the seat to be set in any vertical position throughout its vertical range of travel.
positive vertical locking mechanism. EXCEPTION: Seats equipped with a pneumatic or electrical vertical adjustment feature that permits the seat to be set in any vertical position throughout its vertical range of travel.
ABYC H31 Seat Standards
General requirements for all seat types. (AO, AN, B) 31.5.1
Seats that are readily removable from permanently installed bases shall be provided with a means for securing the seat, columns, pedestal, etc to prevent unintentional detachment from its installed position. Seats not intended to be in an installed position at speeds over five miles per hour shall have a means of securing any readily removable component of a seat assembly (e.g., seat, column, pedestal, etc) when removed from its installed position. All seat components meet ABYC structural testing requirements (final determination of compliance with standard is “as installed” by the boat manufacturer).
31.5.2
31.9
Specific ABYC requirements are based on the specific seat type.
Go to attwoodmarine.com for updated requirements.
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