This is probably a radio-communication between pilots but i don't understand russian language, so i could be wrong.
audio-file, download-link:
qets1.wav скачать с Файлы@Mail.Ru (wav-format, 0.1 MB)
alternate link: http://rapidshare.com/files/447907942/qets1.wav (wav-format, 0.1 MB)
Please write down the sentences/words (in russian language or in english) you do understand from the audio-file. Thxs for your help.