Able to skipper a sloop-rigged keelboat of approximately 20 to 27 feet in length by day in light to moderate winds (up to 15 knots) and sea conditions. Knowledge of basic sailing terminology, parts and functions, helm commands, basic sail trim, points of sail, buoyage, seamanship and safety including basic navigation rules to avoid collisions and hazards. Auxiliary power operation is not required.
more: https://asa.com/certifications/asa-101-basic-keelboat-sailing/Able to skipper a sloop-rigged auxiliary powered (inboard or outboard engine) keelboat of approximately 25 to 35 feet length by day in moderate winds (up to 20 knots) and sea conditions. Knowledge of cruising sailboat terminology, basic boat systems, auxiliary engine operation, docking procedures, intermediate sail trim, navigation rules, basic coastal navigation, anchoring, weather interpretation, safety and seamanship.
more: https://asa.com/certifications/asa-103-basic-coastal-cruising/Able to skipper a sloop-rigged, auxiliary powered keelboat of approximately 30 to 45 feet in length during a multi-day cruise upon inland or coastal waters in moderate to heavy winds (up to 30 knots) and sea conditions. Knowledge of provisioning, galley operations, boat systems, auxiliary engine operation, routine maintenance procedures, advanced sail trim, coastal navigation including basic chart plotting and GPS operation, multiple-anchor mooring, docking, health & safety, emergency operations, weather interpretation, and dinghy/tender operation.
more: https://asa.com/certifications/asa-104-bareboat-cruising/Able to apply the navigational theory and practices for safe navigation of a sailing vessel in coastal and inland waters. On-water coastal navigation skills elements are contained in the ASA103, Basic Coastal Cruising, ASA 104, Bareboat Cruising, and ASA 106, Advanced Coastal Cruising, in progressively increasing levels of detail.
more: https://asa.com/certifications/asa-105-coastal-navigation/Able to safely act as skipper and crew of a sailing vessel about 30 to 50 feet in length in coastal and inland waters, in any conditions.
more: https://asa.com/certifications/asa-106-advanced-coastal-cruising/Able to safely and efficiently dock an auxiliary powered (single inboard or outboard engine) sailboat. Knowledge of basic auxiliary power theory, engine and steering controls, proper use of dock lines, crew communication and safety.
more: https://asa.com/certifications/asa-118-docking-endorsement/