Docking Clinic ASA 118 Exam Questions with 100%
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Terms in this set (37)
1. Prop Wash
What are the 4 forces 2. Prop Wash
affecting docking? 3. Wind
4. Current
How does Prop Walk In reverse gear Prop Walk moves the stern to the LEFT
affect boat speed and (for right handed propeller). More speed reverse,
orientation? more the stern turns left.
How does Wind affect In a cross wind the bow turns downwind faster then
boat speed and the stern. Cross wind blows bow downwind.
orientation?
How does Current affect Cross current sets ENTIRE boat down current.
boat speed and
orientation?
Backing out of slip what to Wind direction
consider?
Considerations and - Consider that wind threatens to blow bow into piling
Procedure Backing out of as you turn while backing out
slip with wind from ahead - Use a doubled over midship spring line on the lee
and cross? (Blowing side to turn/pivot the boat while backing out
straight out of slip or cross - or alternatively use a doubled-over bow line
wind) windwards to control the bow
, - This is called turning to windward: consider that
Consideration and
cross wind blowing into the fairway or wind blow into
Procedure Backing out of
the slip may may prevent boat while turning to clear
slip with wind from astern
the end piling
and cross? (Wind blows
- back away as far as possible before going into
into the slip)
forward gear
Heading bow first out of a Consider: Turning into fairway will be harder. Wind
slip with wind from across pushes bow against opposite docks.
- wind blowing against Use a midship spring line windward to help turn the
intended exit direction- boat sooner (pivot) to avoid striking the slips across
heading out with the fairway.
opposing wind?
Parallel undocking when Windward dock easy, lee dock hard. Also, boats in
easy and when harder? front or aft can make it harder.
Parallel docking departure Release lines and let wind blow you away from dock
with wind blowing away while gently engage and disengage engine
from the dock -
procedure?
- Stern out preferable over bow out
- Springing stern off dock by turning rudder slightly
towards dock (prop wash helps) and power stern
away while using doubled over spring line at the bow
Parallel docking departure
and a handheld fender at the bow
from lee, wind blowing
- Springing bow off dock by powering (forward) away
onto the dock-
from the dock in reverse gear while doubled over
procedure?
spring line at the stern pivots boat. Use a manual
fender stern to protect boat. Rudder is ineffective
here. When boat turned away from dock, then turn
rudder away from dock and power forward.
It is easier to approach the slip to your left, port side
Backing into slip-Port side
approach since you can do right side standing turn to
approach- What is easier?
the right to align stern with slip.
Correct Answers | Verified | Latest Update 2025!!
Save
Terms in this set (37)
1. Prop Wash
What are the 4 forces 2. Prop Wash
affecting docking? 3. Wind
4. Current
How does Prop Walk In reverse gear Prop Walk moves the stern to the LEFT
affect boat speed and (for right handed propeller). More speed reverse,
orientation? more the stern turns left.
How does Wind affect In a cross wind the bow turns downwind faster then
boat speed and the stern. Cross wind blows bow downwind.
orientation?
How does Current affect Cross current sets ENTIRE boat down current.
boat speed and
orientation?
Backing out of slip what to Wind direction
consider?
Considerations and - Consider that wind threatens to blow bow into piling
Procedure Backing out of as you turn while backing out
slip with wind from ahead - Use a doubled over midship spring line on the lee
and cross? (Blowing side to turn/pivot the boat while backing out
straight out of slip or cross - or alternatively use a doubled-over bow line
wind) windwards to control the bow
, - This is called turning to windward: consider that
Consideration and
cross wind blowing into the fairway or wind blow into
Procedure Backing out of
the slip may may prevent boat while turning to clear
slip with wind from astern
the end piling
and cross? (Wind blows
- back away as far as possible before going into
into the slip)
forward gear
Heading bow first out of a Consider: Turning into fairway will be harder. Wind
slip with wind from across pushes bow against opposite docks.
- wind blowing against Use a midship spring line windward to help turn the
intended exit direction- boat sooner (pivot) to avoid striking the slips across
heading out with the fairway.
opposing wind?
Parallel undocking when Windward dock easy, lee dock hard. Also, boats in
easy and when harder? front or aft can make it harder.
Parallel docking departure Release lines and let wind blow you away from dock
with wind blowing away while gently engage and disengage engine
from the dock -
procedure?
- Stern out preferable over bow out
- Springing stern off dock by turning rudder slightly
towards dock (prop wash helps) and power stern
away while using doubled over spring line at the bow
Parallel docking departure
and a handheld fender at the bow
from lee, wind blowing
- Springing bow off dock by powering (forward) away
onto the dock-
from the dock in reverse gear while doubled over
procedure?
spring line at the stern pivots boat. Use a manual
fender stern to protect boat. Rudder is ineffective
here. When boat turned away from dock, then turn
rudder away from dock and power forward.
It is easier to approach the slip to your left, port side
Backing into slip-Port side
approach since you can do right side standing turn to
approach- What is easier?
the right to align stern with slip.
