Russia denied any attacks and said all its aircraft near the area were grounded over the weekend.

The operations ended in the late 1990s when both aircraft were grounded.

Both aircraft and crews were grounded with their future uncertain.

The J40-engined aircraft were grounded and a new engine was sought.

The food goes to 5000 families, but two weeks ago the aircraft was grounded for servicing.

By 1944, the aircraft were largely grounded due to a lack of fuel and maintenance.

Some regions require the aircraft and/or fuel truck to be grounded, as well.

Just five minutes later, the war was over and all Japanese aircraft were grounded.

The aircraft were grounded in 1969 and removed from service in 1970.

After three attempts, the aircraft was grounded with a failed radiator.