Aircraft
Cracks Cause U.S. Air Force To Ground 82 F-16Ds
The 75 aircraft without cracks have returned to service.
The U.S. Air Force grounded 82 of its 157 F-16Ds after discovering cracking between the front and rear pilot seats. (Photo: U.S. Department of Defense)
The U.S. Air Force grounded 82 of its 157 F-16Ds after discovering cracking between the front and rear pilot seats. (Photo: U.S. Department of Defense)

The U.S. Air Force said on August 19 that it recently grounded 82 two-seat F-16D fighters following the discovery of canopy sill longeron cracks between the front and rear pilot seats. An “immediate action time compliance technical order” the service issued after post-mission flight inspections revealed initial structural cracks led to the discovery.