| Air Vehicle No. | Block No. | USAF s/n | Formal name |
|---|---|---|---|
| AV-1 | Test/30 | 82-1066 | Spirit of America |
| AV-2 | Test/30 | 82-1067 | Spirit of Arizona |
| AV-3 | Test/30 | 82-1068 | Spirit of New York |
| AV-4 | Test/30 | 82-1069 | Spirit of Indiana |
| AV-5 | Test/20 | 82-1070 | Spirit of Ohio |
| AV-6 | Test/30 | 82-1071 | Spirit of Mississippi |
| AV-7 | 10 | 88-0328 | Spirit of Texas |
| AV-8 | 10 | 88-0329 | Spirit of Missouri |
| AV-9 | 10 | 88-0330 | Spirit of California |
| AV-10 | 10 | 88-0331 | Spirit of South Carolina |
| AV-11 | 10 | 88-0332 | Spirit of Washington |
| AV-12 | 10 | 89-0127 | Spirit of Kansas |
| AV-13 | 10 | 89-0128 | Spirit of Nebraska |
| AV-14 | 10 | 89-0129 | Spirit of Georgia |
| AV-15 | 10 | 90-0040 | Spirit of Alaska |
| AV-16 | 10 | 90-0041 | Spirit of Hawaii |
| AV-17 | 20 | 92-0700 | Spirit of Florida |
| AV-18 | 20 | 93-1085 | Spirit of Oklahoma |
| AV-19 | 20 | 93-1086 | Spirit of Kitty Hawk |
| AV-20 | 30 | 93-1087 | Spirit of Pennsylvania |
| AV-21 | 30 | 93-1088 | Spirit of Louisiana |
| AV-22 through AV-165 | Canx. |
It is known that up to 4 airframes were created either pre-production or during the early life of the airframe to test features.
AF-4 (AT-1000) has now been modernised for display at the USAF museum in Dayton, OH.
AF-? was used and later adapt for weapons-load-trainer and testing.
B-2 Test Article 0998 has been seen.