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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
allowed on board
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "allowed on board" is correct and usable in written English.
It can be used in contexts related to travel, transportation, or access to a place, typically referring to permission to enter a vehicle or location. Example: "Only passengers with valid tickets are allowed on board the train."
✓ Grammatically correct
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
Upon encountering the lifeboat, food was lowered to its occupants, and one person was allowed on board to explain the situation.
Wiki
The fleet's grounding is not affected by the one-time F.A.A. permit and no one except crew members will be allowed on board the plane from Fort Worth.
News & Media
Well, no one said that wine was not allowed on board.
News & Media
And it doesn't appear to be an entirely ordinary voyage: for one, only Chinese citizens from the mainland of China were allowed on board, Chinese media reported.
News & Media
No alcohol is allowed on board.
News & Media
Pets will be allowed on board M.T.A. vehicles.
News & Media
Many wept and begged to be allowed on board.
News & Media
Agreed, Umar Farouk Abdulmutallab should have never been allowed on board the Detroit-bound jet.
News & Media
For a price that seemed extortionate, I would be allowed on board.
News & Media
Drivers declining to be searched were not allowed on board, he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
He is dressed more like a deckhand than the mining and construction magnate he is: jeans, an untucked oxford shirt, a black baseball cap and white socks (no street shoes are allowed on-board; his white Prada sneakers are in a box below).
News & Media
Expert writing Tips
Best practice
When writing about regulations or policies, clearly state what items or individuals are "allowed on board" to avoid ambiguity. For example, "Only service animals are allowed on board the aircraft".
Common error
While both terms relate to being on a vessel, "on board" typically refers to the act of being permitted or the items allowed, whereas "aboard" indicates the state of being on the vessel. Avoid using "aboard" when you mean to describe permission or allowance, i.e., instead of "passengers are aboard", write "passengers are allowed on board".
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "allowed on board" functions primarily as a descriptive phrase, indicating permission or authorization to be present on a vehicle or vessel. As Ludwig AI examples show, it commonly specifies who or what is permitted, often in the context of rules or regulations.
Frequent in
News & Media
59%
Wiki
14%
Formal & Business
8%
Less common in
Science & Research
7%
Academia
6%
Sports
6%
Ludwig's WRAP-UP
In summary, the phrase "allowed on board" is a common and grammatically correct expression used to indicate permission or authorization to be on a vehicle or vessel. As demonstrated by Ludwig AI, it appears frequently in news and media, as well as on Wiki, often in the context of regulations and guidelines. When using this phrase, it's important to ensure clarity about what or who is permitted and to avoid confusion with the term "aboard". Alternatives such as "permitted on board" or "authorized to board" can be used for variety, but the core meaning remains consistent.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
permitted on board
Replaces "allowed" with its direct synonym "permitted", maintaining the exact meaning.
authorized to board
Uses "authorized" to indicate official permission, suggesting a slightly more formal tone.
given access to the vessel
Replaces "on board" with "vessel", creating a slightly more formal tone
granted entry to the ship
Uses "granted entry" to emphasize the act of being allowed to enter, specifying "ship" instead of the more general "board".
cleared for boarding
Emphasizes the clearance or approval process before boarding.
eligible to embark
Replaces "allowed" with "eligible" and "board" with "embark", providing a formal alternative.
welcome aboard
A common expression indicating acceptance and invitation onto a vessel or vehicle.
given permission to come aboard
Explains the allowance in greater detail using the words "given permission".
can board
A shorter and more direct way of saying "allowed on board".
may enter the aircraft
Provides a more formal and specific alternative, replacing "board" with "aircraft".
FAQs
How to use "allowed on board" in a sentence?
The phrase "allowed on board" indicates that something or someone is permitted to be on a vehicle or vessel. For example, "Only ticket holders are allowed on board the train".
What can I say instead of "allowed on board"?
You can use alternatives like "permitted on board", "authorized to board", or "granted entry to the ship" depending on the context.
Which is correct, "allowed on board" or "permitted aboard"?
Both phrases are grammatically sound, but "allowed on board" emphasizes the act of allowing something or someone onto a vessel, while "permitted aboard" is a more concise way of saying the same thing. Use "allowed on board" when you want to highlight permission and "permitted aboard" when brevity is preferred.
What's the difference between "allowed on board" and "welcome aboard"?
"Allowed on board" indicates that something or someone meets the requirements to be on a vessel. "Welcome aboard" is a greeting expression to show acceptance.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested