The aircraft and its crew were posted missing.

据报这架飞机和机组人员已失踪。

《牛津词典》

We have accounted for all our aircraft and none are missing.

我们已经盘点了我们所有的飞机，没有一架飞机失踪。

youdao

The most extensive search effort in history involved 150planes and dozens of ships , but it didn't find any sign of the missing aircraft at all.

这次有史以来最广泛的搜索努力动用了150架飞机和几十只船， 可是却没有发现任何失踪飞机的痕迹。

youdao

Last December Iran said it had captured another, less sophisticated drone, but the US denied any such aircraft was missing.

BBC: Iran shows 'hacked US spy drone' video footage

In the autumn it could not cope with a bulging order book and halted production lines for a month to complete a number of aircraft that were missing parts.

ECONOMIST: Bouncing Boeing

"But in these conditions, it's very problematic, " Parker said, adding that a timely deployment of search-and-rescue aircraft and ships gives the missing a chance.

CNN: Sandy claims 'Bounty' off North Carolina