| Registration / Serial: | 28-388 |
| Alternate Serial: | AC28-388 |
| Military Code: | XP-555 |
| Aircraft Original Type: | Keystone LB-6/7 |
| Aircraft Generic Type: | Keystone LB-6/7 |
| Aircraft Version: | Keystone XLB-12 |
| C/n (msn): | [ 28-388 ] |
| Operator Titles: | USA - Air Force |
| City / Airport: | Dayton - Wright-Patterson AFB / Wright AFB (KDWF / DWF)Map |
| Region / Country: | Ohio, United States |
| Photo Date: | 1 June 1929 to 30 August 1929 |
| Photo from: | AirHistory.net Photo Archive |
| Photo ID: | 671676Submit Correction |
| View count: | 93 |
The LB-12 was merely the first LB-7 airframe modified with the latest R-1860 Hornet B engines for evalution. This did not last long as it was ready in June 1929 and wrecked on 30 August. It wears Wright Field project number P-555 with an X thrown in. Photo from: US Air Force
| Registration / Serial: | 28-388 |
| Alternate Serial: | AC28-388 |
| Aircraft Version: | Keystone XLB-12 |
| C/n (msn): | [ 28-388 ] |
| Operator Titles: | USA - Air Force |
| City / Airport: | Dayton - Wright-Patterson AFB / Wright AFB (KDWF / DWF)Map | Region / Country: | Ohio, United States |
| Photo Date: | 1 June 1929 to 30 August 1929 |
| Photo from: | AirHistory.net Photo Archive |
| Registration / Serial: | 28-388 |
| Alternate Serial: | AC28-388 |
| Military Code: | XP-555 |
| Aircraft Original Type: | Keystone LB-6/7 |
| Aircraft Generic Type: | Keystone LB-6/7 |
| Aircraft Version: | Keystone XLB-12 |
| C/n (msn): | [ 28-388 ] |
| Operator Titles: | USA - Air Force |
| City / Airport: | Dayton - Wright-Patterson AFB / Wright AFB (KDWF / DWF)Map |
| Region / Country: | Ohio, United States |
| Photo Date: | 1 June 1929 to 30 August 1929 |
| Photo from: | AirHistory.net Photo Archive |
| Photo ID: | 671676Submit Correction |
| View count: | 93 |
The LB-12 was merely the first LB-7 airframe modified with the latest R-1860 Hornet B engines for evalution. This did not last long as it was ready in June 1929 and wrecked on 30 August. It wears Wright Field project number P-555 with an X thrown in. Photo from: US Air Force
| Registration / Serial: | 28-388 |
| Alternate Serial: | AC28-388 |
| Aircraft Version: | Keystone XLB-12 |
| C/n (msn): | [ 28-388 ] |
| Operator Titles: | USA - Air Force |
| City / Airport: | Dayton - Wright-Patterson AFB / Wright AFB (KDWF / DWF)Map | Region / Country: | Ohio, United States |
| Photo Date: | 1 June 1929 to 30 August 1929 |
| Photo from: | AirHistory.net Photo Archive |