required on board

USAGE SUMMARY

The phrase "required on board" is correct and usable in written English.
It can be used in contexts where specific items, documents, or personnel are necessary for a journey or operation, particularly in aviation or maritime settings. Example: "All safety equipment is required on board before departure."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

This means slower steaming could provide big savings in fuel costs, but it would be at the expense of increased expenditure on crew for these longer voyages, both in wages and for the "hotel" facilities required on board.

The Economist

However, by presenting such an opinion, they cut off the possibility that Noah took just "created kinds" of animals to the Ark that later evolved within the "kinds," a well-known tactic used to reduce the number of animals required on board the ark with Noah.

Evolution: Education and Outreach

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

That is the premise behind remote diagnostics.By law, all new cars sold in America since 1996 have required on-board diagnostics (OBD) to monitor emissions.

The Economist

This article deals with the sizing of the required on-board energy between two stations in the worst case.

Mathematics and Computers in Simulation

While voice interaction in the car has previously required on-board processing, the growing speed and ubiquity of wireless technologies now enable interaction with a distant source.

International Journal of Human-Computer Studies

Therefore, the required on-board computational resources are limited, and a reduced off-line design effort is needed for the change of vehicle parameters.

Control Engineering Practice

Solid propellants were, eventually, easier to make, safer to store, lighter in weight (because they did not require on-board pumps), and more reliable than their liquid predecessors.

Encyclopedia Britannica

Consequently, the next generation of the micro-nanorobot will require on-board sensors, functional tools, computing components, and so on.

Robotics and Biomimetics

The existing gas clean-up units operate at high temperatures and pressures and often require on-board oxygen or air supply for CO oxidation.

Chemical Engineering Science

Hyperspectral images are extremely high-dimensional, and require on-board processing algorithms able to satisfy near real-time constraints in applications such as wildland fire monitoring, mapping of oil spills and chemical contamination, etc.

EURASIP Journal on Advances in Signal Processing

"This includes publication of a full impact assessment detailing the new system's costs and benefits, a comprehensive round of user-testing, an extensive period of consultation and adequate time for HMRC to take on board required changes".

The Guardian

Expert writing Tips

Best practice

When writing about safety protocols or regulations, use "required on board" to clearly communicate the mandatory nature of specific items or procedures. This ensures clarity and compliance.

Common error

Avoid using "required on board" when something is merely recommended or suggested. This phrase indicates a strict necessity, and using it loosely can create confusion or misrepresent the actual importance.

Linguistic Context

The phrase "required on board" functions as a prepositional phrase specifying what must be present on a vessel or vehicle. According to Ludwig AI, this phrase is grammatically correct and usable in written English. It modifies nouns or clauses by indicating a necessity for something to be available during a journey or operation.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

33%

Formal & Business

33%

Less common in

Encyclopedias

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "required on board" is a grammatically correct and usable prepositional phrase indicating what is mandatory on a vehicle or vessel. While relatively rare in general usage, it is crucial for communicating necessary items, personnel, or procedures, especially in safety and regulatory contexts. Ludwig AI confirms its correctness, and its usage spans scientific, news, and formal business domains. Related phrases include "mandatory on board" and "essential on board". When writing, remember that this phrase implies a strict necessity, differentiating it from mere recommendations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

mandatory on board

Replaces "required" with a stronger term emphasizing obligation.

necessary on board

Focuses on the essential nature of the items or personnel.

essential on board

Highlights the critical importance of what is needed.

needed on board

A more direct and simple way to state the requirement.

must be on board

Emphasizes the obligation for something to be present.

compulsory on board

Similar to "mandatory" but with a slightly different nuance.

obligatory on board

Another synonym for "required", highlighting the duty.

requisite on board

A more formal and less common synonym for "required".

stipulated on board

Indicates that the requirement is part of an agreement or regulation.

prescribed for on board

Suggests that the requirement is officially set or recommended.

FAQs

How to use "required on board" in a sentence?

Use "required on board" to indicate items, personnel, or procedures that are mandatory for a specific context, such as a ship or aircraft journey. For example, "All safety equipment is required on board before departure."

What can I say instead of "required on board"?

You can use alternatives like "mandatory on board", "necessary on board", or "essential on board" depending on the context.

Which is correct, "required on board" or "require on board"?

"Required on board" is the correct phrasing. "Require on board" is grammatically incorrect as it misses the past participle form of the verb "require" to indicate something that is needed or mandated.

What's the difference between "required on board" and "needed on board"?

"Required on board" implies a stricter mandate or regulation, while "needed on board" suggests something is simply necessary but may not be formally enforced. The former is used in official protocols, the latter in more general contexts.