in-service

American  

[in-sur-vis, in-sur-] / ɪnˈsɜr vɪs, ˈɪnˌsɜr- /

adjective

1. taking place while one is employed.

   an in-service training program.

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in-service British  

adjective

1. denoting training that is given to employees during the course of employment

   an in-service course

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Etymology

Origin of in-service

First recorded in 1925–30

Example Sentences

In February 2025 the UK NSC approved an "in-service evaluation" - a pilot screening programme - to gather UK-specific data.

From BBC

In June, both of Beijing’s in-service aircraft carriers were spotted operating in the Western Pacific close to Japan.

From The Wall Street Journal

Fixes were required on about 6,000 aircraft—or more than half of the in-service fleet—before their next flight.

From The Wall Street Journal

“Airbus has consequently identified a significant number of A320 Family aircraft currently in-service which may be impacted,” the statement continued.

From MarketWatch

The Airbus A320, of which over 11,300 are in operation, comprises 77% of the plane maker’s total in-service fleet and makes up close to a third of all commercial jets flying globally.

From The Wall Street Journal

Related Words

• practical
• ready
• useful
• viable
• working