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Question

Which of the following is true about the word ‘aircraft’?

This question was previously asked in
TNPSC Group 2 2026 Prelims Question Paper (01-Nov-2026)
The correct answer is

‘Aircraft’ is used the same for both singular and plural, with no change in form.

Some English nouns have the same form in the singular and the plural; these are called zero-plural or invariable nouns. Common examples are sheep, deer, fish, series, species and words ending in “craft” such as aircraft, spacecraft and hovercraft.

We say “one aircraft landed” and “three aircraft landed”. The word does not change; the number is shown by the determiner and the verb. So ‘aircraft’ is used the same for both singular and plural.

Adding -s to form ‘aircrafts’ is non-standard, so the statements about a regular -s plural and about changing to ‘aircrafts’ are wrong. The statement that ‘aircraft’ is only plural is also wrong, because “an aircraft” is perfectly correct in the singular.

‘Aircraft’ is used the same for both singular and plural, with no change in form. option is correct.

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