Commercial Pilot · Area I: Preflight Preparation

Task I. Water and Seaplane Characteristics, Seaplane Bases, Maritime Rules, and Aids to Marine Navigation (ASES, AMES)

FAA-S-ACS-7B · Effective 2024-05-31

Knowledge

What you should understand and be able to explain.

18 elements
  • CA.I.I.K1
    The characteristics of a water surface as affected by features, such as:
  • CA.I.I.K1a
    Size and location
  • CA.I.I.K1b
    Protected and unprotected areas
  • CA.I.I.K1c
    Surface wind
  • CA.I.I.K1d
    Direction and strength of water current
  • CA.I.I.K1e
    Floating and partially submerged debris
  • CA.I.I.K1f
    Sandbars, islands, and shoals
  • CA.I.I.K1g
    Vessel traffic and wakes
  • CA.I.I.K1h
    Other characteristics specific to the area
  • CA.I.I.K1i
    Direction and height of waves
  • CA.I.I.K2
    Float and hull construction, and its effect on seaplane performance.
  • CA.I.I.K3
    Causes of porpoising and skipping, and the pilot action needed to prevent or correct these occurrences.
  • CA.I.I.K4
    How to locate and identify seaplane bases on charts or in directories.
  • CA.I.I.K5
    Operating restrictions at various bases.
  • CA.I.I.K6
    Right-of-way, steering, and sailing rules pertinent to seaplane operation.
  • CA.I.I.K7
    Marine navigation aids, such as buoys, beacons, lights, sound signals, and range markers.
  • CA.I.I.K8
    Naval vessel protection zones.
  • CA.I.I.K9
    No wake zones.

Risk management

Risks to recognize and decisions to consider.

4 elements
  • CA.I.I.R1
    Local conditions.
  • CA.I.I.R2
    Impact of marine traffic.
  • CA.I.I.R3
    Right-of-way and sailing rules pertinent to seaplane operations.
  • CA.I.I.R4
    Limited services and assistance available at seaplane bases.
Skill elements and task objectives

This page covers knowledge and risk management. For the complete task, including skill standards, open the FAA document (PDF).