ASA 104 – Bareboat Cruising Exam
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. What is the minimum recommended scope for an all-chain anchor
rode in moderate conditions?
A) 3:1
B) 5:1
C) 7:1
D) 10:1
Correct ,,,,answer,,,: B) 5:1
Rationale: Chain is heavy and lies flat on the bottom, so a 5:1 scope
is adequate in normal conditions. All-rope rodes need 7:1 or more.
2. While docking, a strong wind is pushing your bow away from the
dock. What line works best?
A) Bow line to a dock cleat forward of the bow
B) After bow spring line
,C) Stern line to a dock cleat aft of the stern
D) Forward spring line from the bow to a midship cleat
Correct ,,,,answer,,,: D) Forward spring line from the bow to a
midship cleat
Rationale: With forward throttle, the spring line pulls the
bow into the dock against wind or current.
3. What does a “solenoid valve” control in a marine propane system?
A) Stove burner flame
B) Propane tank pressure
C) Gas flow from tank to stove
D) Locker ventilation fan
Correct ,,,,answer,,,: C) Gas flow from tank to stove
Rationale: The solenoid opens electrically when the cabin switch is
ON. If OFF, gas is shut at the tank for safety.
4. Why must a propane locker drain be kept clear?
A) Propane rises, so it vents out the top
B) Propane is lighter than air and needs a top vent
C) Propane is heavier than air and must drain overboard
D) To let fresh air in for combustion
Correct ,,,,answer,,,: C) Propane is heavier than air and must drain
overboard
,Rationale: Propane sinks. A blocked drain allows gas to pool in the
bilge, creating an explosion risk.
5. What is the first action if the engine oil pressure warning light
comes on?
A) Increase engine RPM
B) Check the oil level
C) Shut down the engine immediately
D) Continue running but monitor temperature
Correct ,,,,answer,,,: C) Shut down the engine immediately
Rationale: Running without oil pressure seizes the engine within
seconds, causing major damage.
6. What is a “Bahamian moor”?
A) Single anchor with 10:1 scope
B) Two anchors at 180° to each other
C) Stern anchor only
D) Tying to two dock cleats
Correct ,,,,answer,,,: B) Two anchors at 180° to each other
Rationale: Used in reversing tidal currents to keep the boat from
swinging over its anchor line.
, 7. At night you see a green can buoy with a green cylinder topmark.
What does it mean?
A) Starboard side when entering from sea
B) Port side when returning from sea
C) Obstruction
D) Safe water in all directions
Correct ,,,,answer,,,: B) Port side when returning from sea
Rationale: IALA Region B – “Red, Right, Returning”. Green marks the
port (left) side returning from sea.
8. What VHF call is used for a life-threatening emergency?
A) Pan-Pan
B) Securite
C) Mayday
D) All stations
Correct ,,,,answer,,,: C) Mayday
Rationale: Mayday = distress (imminent danger, loss of life or
vessel). Pan-Pan = urgent. Securite = safety.
9. In a narrow channel, a large cargo ship approaches from behind.
What must you do?
A) Maintain course and speed – they give way
B) Sound five short blasts
Questions And Correct Answers (Verified
Answers) Plus Rationales 2025/2026
Q&A | Instant Download Pdf
1. What is the minimum recommended scope for an all-chain anchor
rode in moderate conditions?
A) 3:1
B) 5:1
C) 7:1
D) 10:1
Correct ,,,,answer,,,: B) 5:1
Rationale: Chain is heavy and lies flat on the bottom, so a 5:1 scope
is adequate in normal conditions. All-rope rodes need 7:1 or more.
2. While docking, a strong wind is pushing your bow away from the
dock. What line works best?
A) Bow line to a dock cleat forward of the bow
B) After bow spring line
,C) Stern line to a dock cleat aft of the stern
D) Forward spring line from the bow to a midship cleat
Correct ,,,,answer,,,: D) Forward spring line from the bow to a
midship cleat
Rationale: With forward throttle, the spring line pulls the
bow into the dock against wind or current.
3. What does a “solenoid valve” control in a marine propane system?
A) Stove burner flame
B) Propane tank pressure
C) Gas flow from tank to stove
D) Locker ventilation fan
Correct ,,,,answer,,,: C) Gas flow from tank to stove
Rationale: The solenoid opens electrically when the cabin switch is
ON. If OFF, gas is shut at the tank for safety.
4. Why must a propane locker drain be kept clear?
A) Propane rises, so it vents out the top
B) Propane is lighter than air and needs a top vent
C) Propane is heavier than air and must drain overboard
D) To let fresh air in for combustion
Correct ,,,,answer,,,: C) Propane is heavier than air and must drain
overboard
,Rationale: Propane sinks. A blocked drain allows gas to pool in the
bilge, creating an explosion risk.
5. What is the first action if the engine oil pressure warning light
comes on?
A) Increase engine RPM
B) Check the oil level
C) Shut down the engine immediately
D) Continue running but monitor temperature
Correct ,,,,answer,,,: C) Shut down the engine immediately
Rationale: Running without oil pressure seizes the engine within
seconds, causing major damage.
6. What is a “Bahamian moor”?
A) Single anchor with 10:1 scope
B) Two anchors at 180° to each other
C) Stern anchor only
D) Tying to two dock cleats
Correct ,,,,answer,,,: B) Two anchors at 180° to each other
Rationale: Used in reversing tidal currents to keep the boat from
swinging over its anchor line.
, 7. At night you see a green can buoy with a green cylinder topmark.
What does it mean?
A) Starboard side when entering from sea
B) Port side when returning from sea
C) Obstruction
D) Safe water in all directions
Correct ,,,,answer,,,: B) Port side when returning from sea
Rationale: IALA Region B – “Red, Right, Returning”. Green marks the
port (left) side returning from sea.
8. What VHF call is used for a life-threatening emergency?
A) Pan-Pan
B) Securite
C) Mayday
D) All stations
Correct ,,,,answer,,,: C) Mayday
Rationale: Mayday = distress (imminent danger, loss of life or
vessel). Pan-Pan = urgent. Securite = safety.
9. In a narrow channel, a large cargo ship approaches from behind.
What must you do?
A) Maintain course and speed – they give way
B) Sound five short blasts
