USCG MST SWE Exam/ USCG MST SWE Exam Preparation
USCG MST SWE EXAM/ USCG MST SWE EXAM PREPARATION /USCG
MST SWE PRACTICE EXAM NEWEST 2025/2026 COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|BRAND NEW VERSION!!
How often must crew members conduct fire and abandon ship drills? - Correct
Answer-Every month and after a change out of 25% of crew.
What is the passenger vessel capacity with 1 radiophone in its life boat? - Correct
Answer-199-1,500
What is the passenger vessel capacity for radiophones in ALL life boats? - Correct
Answer-More than 1,500.
How many fire suits do passenger vessels with 36 people need? - Correct Answer-
2 additional for each main vertical zone.
How many passengers on a passenger vessel before it needs a life boat? - Correct
Answer-30
What is a inductor type froth nozzle and portable tank containing at least 4.5
gallons of froth-making liquid and 1 spare tank? - Correct Answer-Portable Froth
Applicator
What must be submitted for the increasing traffic in a navigable waterway? -
Correct Answer-Waterway Suitability Assessment (WSA)
1|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
When must an LNG facility submit their WSA and LOI? - Correct Answer-1 year
prior to the start of operations.
What does a WSA consist of? - Correct Answer-Preliminary WSA (submitted to
COTP with LOI) and a Follow-on WSA (submitted 180 days prior to transferring).
When must a facility submit a final report to the COTP? - Correct Answer-At least
30 but not more than 60 days prior to the start of operations.
Who can raise the MARSEC level? - Correct Answer-COTP
Required discharge containment/removal equipment for oil barges longer than
400 ft. - Correct Answer-12 Barrels
Required discharge containment/removal equipment for oil barges shorter than
400 ft. - Correct Answer-7 Barrels
Required discharge containment/removal equipment for inland barges: - Correct
Answer-1 Barrel
Required discharge containment/removal equipment for barges carrying oil as a
secondary cargo: - Correct Answer-1/2 barrel
2|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
LHG transfer hose marking with more than 1 LHG product: - Correct Answer-A
permanently attached metal plate indicating:
-Each LHG it is suitable for.
-MAWP
-Minimum service temperature.
How long are FSPs & ASPs valid for? - Correct Answer-5 years
What other organization is involved in WSA? - Correct Answer-FERC (Federal
Energy Regulatory Commission)
Maximum burst pressure for LHG hose? - Correct Answer-5 times the MAWP.
Who issues MARSEC directives? - Correct Answer-The Commandant or delegee.
Are vessels moored to a facility required to take part in the facility's drills? -
Correct Answer-No
LNG facilities need to have what back up safety equipment? - Correct Answer--
Emergency lighting
-Emergency shut-down
-Communication equipment
-Firefighting equipment
3|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
What type of comms do LNG facilities need to have? - Correct Answer-Ship to
shore & emergency ship to shore.
Main fire system hose specifications for LNG facilities: - Correct Answer--1 ½
inches or more in diameter.
-100 feet or less in length.
Main water system hose specifications for LHG facilities: - Correct Answer-2 1/2
inches in diameter.
Who should a facility report security breaches and suspicious activity to? - Correct
Answer-NRC
Who should a facility report TSIs to? - Correct Answer-Local COTP
When is a storm classified as a tropical depression? - Correct Answer-38 MPH
wind or less.
How long are ISM-SMC valid for when issued to vessels? - Correct Answer-5 years
How often to SMCs need to be endorsed? - Correct Answer-Intermediately,
between 2nd & 3rd year.
How long is an interim ISM-SMC valid for? - Correct Answer-6 months
4|Page
USCG MST SWE EXAM/ USCG MST SWE EXAM PREPARATION /USCG
MST SWE PRACTICE EXAM NEWEST 2025/2026 COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|BRAND NEW VERSION!!
How often must crew members conduct fire and abandon ship drills? - Correct
Answer-Every month and after a change out of 25% of crew.
What is the passenger vessel capacity with 1 radiophone in its life boat? - Correct
Answer-199-1,500
What is the passenger vessel capacity for radiophones in ALL life boats? - Correct
Answer-More than 1,500.
How many fire suits do passenger vessels with 36 people need? - Correct Answer-
2 additional for each main vertical zone.
How many passengers on a passenger vessel before it needs a life boat? - Correct
Answer-30
What is a inductor type froth nozzle and portable tank containing at least 4.5
gallons of froth-making liquid and 1 spare tank? - Correct Answer-Portable Froth
Applicator
What must be submitted for the increasing traffic in a navigable waterway? -
Correct Answer-Waterway Suitability Assessment (WSA)
1|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
When must an LNG facility submit their WSA and LOI? - Correct Answer-1 year
prior to the start of operations.
What does a WSA consist of? - Correct Answer-Preliminary WSA (submitted to
COTP with LOI) and a Follow-on WSA (submitted 180 days prior to transferring).
When must a facility submit a final report to the COTP? - Correct Answer-At least
30 but not more than 60 days prior to the start of operations.
Who can raise the MARSEC level? - Correct Answer-COTP
Required discharge containment/removal equipment for oil barges longer than
400 ft. - Correct Answer-12 Barrels
Required discharge containment/removal equipment for oil barges shorter than
400 ft. - Correct Answer-7 Barrels
Required discharge containment/removal equipment for inland barges: - Correct
Answer-1 Barrel
Required discharge containment/removal equipment for barges carrying oil as a
secondary cargo: - Correct Answer-1/2 barrel
2|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
LHG transfer hose marking with more than 1 LHG product: - Correct Answer-A
permanently attached metal plate indicating:
-Each LHG it is suitable for.
-MAWP
-Minimum service temperature.
How long are FSPs & ASPs valid for? - Correct Answer-5 years
What other organization is involved in WSA? - Correct Answer-FERC (Federal
Energy Regulatory Commission)
Maximum burst pressure for LHG hose? - Correct Answer-5 times the MAWP.
Who issues MARSEC directives? - Correct Answer-The Commandant or delegee.
Are vessels moored to a facility required to take part in the facility's drills? -
Correct Answer-No
LNG facilities need to have what back up safety equipment? - Correct Answer--
Emergency lighting
-Emergency shut-down
-Communication equipment
-Firefighting equipment
3|Page
, USCG MST SWE Exam/ USCG MST SWE Exam Preparation
What type of comms do LNG facilities need to have? - Correct Answer-Ship to
shore & emergency ship to shore.
Main fire system hose specifications for LNG facilities: - Correct Answer--1 ½
inches or more in diameter.
-100 feet or less in length.
Main water system hose specifications for LHG facilities: - Correct Answer-2 1/2
inches in diameter.
Who should a facility report security breaches and suspicious activity to? - Correct
Answer-NRC
Who should a facility report TSIs to? - Correct Answer-Local COTP
When is a storm classified as a tropical depression? - Correct Answer-38 MPH
wind or less.
How long are ISM-SMC valid for when issued to vessels? - Correct Answer-5 years
How often to SMCs need to be endorsed? - Correct Answer-Intermediately,
between 2nd & 3rd year.
How long is an interim ISM-SMC valid for? - Correct Answer-6 months
4|Page
