these aircraft didn't receive the new RF-numbers, only the 45 red got one. btw there are many military aircaft still flying without RF-'s and also the RF-'s are used more than once
Arjan: concerning the source about Azerbaijan. This news topic can be found in many Russian news sources, normally they are to be trusted.
On February the 6th I found this article:
Azerbaijani Ministry of defence intends to repair and upgrade interceptor MiG-25, and then returning to the national air forces. As reported, APA reports quoting military sources, will the airplane the repair of aircraft factory in Azerbaijan, who had previously done similar work on the MiG-25, to modernise the Algerian air force. In what will be is the modernisation of the Azerbaijani plane not specified.
According to the source agency, Azerbaijani experts are able to carry out work on the modernization of the MiG-25. Azerbaijan received 48 fighter-interceptor MiG-25 after the collapse of the Soviet Union, and then in 1998 bought eight of these aircraft from Kazakhstan. Currently, this type of aircraft flights suspended. According to various sources, stored in Azerbaijan are of ten to 20 MiG-25 interceptor versions of PD and reconnaissance aircraft RB.
Fighter-interceptor MiG-25 was developed in the Soviet Union in the late 1960s and entered the service in 1970. The plane can speeds up to 3.3 thousand kilometers per hour and work at a distance of 1900 km. Combat Jet interceptor is about 700 kilometers. MiG-25 is equipped with four hardpoints for missiles "air-to-air."