38
FOGHORN
S
pring is a time when many PVA 
vessel members begin the process 
of staffing up for the busy operat-
ing season. Among the many onboard-
ing actions, there   are critical verifica-
tions that must be done when hiring 
mariners and other individuals to work 
on U.S. Coast Guard-certificated ves-
sels. Marine employers are responsible 
for ensuring that the mariners they em-
ploy on their vessels are legally allowed, 
competent, medically fit for duty, and 
not violators of federal drug laws. Ad-
dressing the below requirements can 
quickly weed out individuals who for 
one reason or another are not able to be 
employed or fit for duty. None of these 
actions run afoul of legal, privacy, or 
HIPA restrictions. 
LEGALLY ALLOWED TO WORK 
Hiring Foreign Workers
In the past, foreign workers with 
visas allowing work in the U.S. have 
been employed by marine employers 
both shore side and on-board vessels. 
For reasons explained below a marine 
employer must only employ U.S. cit-
izens or legally admitted permanent 
resident aliens (i.e., green card holder) 
to work on-board U.S. certificated 
small passenger vessels. It does not 
matter if the position is considered 
safety sensitive or not.
Title 46 United States Code (U.S.C.) 
§ 8103 states that only a U.S. citizen 
may serve as master, chief engineer, 
radio officer, or officer in charge of a 
deck watch or engineering watch on a 
documented vessel. The law goes on 
to state that each unlicensed seaman 
must be a citizen of the U.S. or alien 
lawfully admitted to the U.S. for per-
manent residence. 
Additionally, not more than 25 per-
cent of the total number of unlicensed 
seamen on the vessel may be aliens 
lawfully admitted to the U.S. for per-
manent residence (green card holders). 
So, who is considered a seaman?
The Coast Guard Marine Safety Man-
ual, Vol. III, Commandant Instruc-
tion (COMDTINST) M16000.8B, 
defines “seaman” as “…any individual 
engaged or employed in the business 
of a ship or a person whose efforts 
contribute to accomplishing the ship’s 
business, whether that person is in-
volved with operation of the vessel.”  
Further, the Coast Guard states, “A 
crewmember may be a seaman al-
though he or she is not occupying a 
position required by the certificate 
of inspection or other safe manning 
documentation.”  
So, non-marine crew are included? 
Yes. Referring to the COMDTINST:
“Under normal conditions, the 
Coast Guard does not consider a 
person who is briefly visiting the 
vessel in a consulting capacity 
(e.g., a vendor’s technical repre-
sentative) to be a crewmember. 
Similarly, the Coast Guard does 
not apply citizenship require-
ments to shoreside personnel 
who come on board vessels while 
they are not underway to load 
or unload cargo or to perform 
services such as maintenance of 
shipboard equipment. Howev-
er, under most circumstances, 
individuals being compensated 
for performing their jobs while 
the vessel is underway are con-
sidered seamen for the purpose 
of applying citizenship require-
ments. Waiters, entertainers, in-
dustrial personnel, oil recovery 
workers, riding maintenance 
crews, and others employed in 
the business of the vessel are 
considered seamen.”
As an example, if a vessel is required 
a master and two unlicensed crew on 
the certificate of inspection, then that 
crew complement would be all U.S. 
citizens. If the vessel was required to 
have a master and eight unlicensed 
crew, then up to two (25 percent) of 
the unlicensed crew could be green 
card-holding resident aliens.
VERIFYING MERCHANT  
MARINER CREDENTIALS AND 
MEDICAL CERTIFICATES
When presented with a merchant 
mariner credential (MMC) from a 
prospective or current employee, ma-
rine employers have access to an online 
verification tool located on the Coast 
Guard’s National Maritime Center 
ERIC CHRISTENSEN // PVA DIRECTOR OF REGULATORY AFFAIRS & RISK MANAGEMENT
SAFETY MATTERS
Bring on the New Hires 
(and Seasonal Employees)
SAFETY 

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