- Air Force: Bulgaria - Air Force
- Aircraft: Mikoyan-Gurevich MiG-21bis
- Registration: 240 (cn 75094240)
- Views: 1376
- Location: Graf Ignatievo (LBPG) , Bulgaria September 12, 2001
later reserialled to 340
- Air Force: Bulgaria - Air Force
- Aircraft: Mikoyan-Gurevich MiG-21bis
- Registration: 240 (cn 75094240)
- Views: 1525
- Location: Graf Ignatievo (LBPG) , Bulgaria September 18, 2001
Co-oparative Key 2001. This airframe was reserialled 340 shortly afterwards to avoid confusion with Su-25K serial 240.
- Air Force: Bulgaria - Air Force
- Aircraft: Mikoyan-Gurevich MiG-21bis
- Registration: 240 (cn 75094240)
- Views: 2118
- Location: Graf Ignatievo (LBPG) , Bulgaria September 14, 2001
To avoid double serials in the Bulgarian AF inventory this MiG-21 was reserialled 340 a few years later.
- Air Force: Bulgaria - Air Force
- Aircraft: Mikoyan-Gurevich MiG-21bis
- Registration: 340 (cn 75094240)
- Views: 1463
- Location: Graf Ignatievo (LBPG) , Bulgaria August 28, 2005
When the Bulgarian AF decided not to use a double serials in their inventory the serial number of this MiG was changed from the last three of the construction number into 340.