Holding in Company

6th May 2009
                                                     AVATION PLC
                                            ('AVATION' OR THE 'COMPANY')

                                      NOTIFICATION OF SIGNIFICANT SHAREHOLDINGS

The Board of Avation Plc has received notification that Philip Haydn-Slater, through Fitel Nominees Limited, now has
an  interest in 780,000 shares in the Company and he advises that this interest amounts to 3.1% of the issued voting
shares of the Company.

                      The directors take responsibility for the contents of this announcement.

                                                     ---ENDS---

ENQUIRES:

AVATION PLC                                                                 07783 942 553
Jeff Chatfield, Chairman

ADVISOR                                                                     020 7628 1128
Frank Lucas/ Jonathan Willis-Richards
Loeb Aron & Company Ltd.

MEDIA                                                                       020 7562 3350
Maxine Barnes, Nick Rome
Bishopsgate Communications

WEBSITES                                                                     www.avation.net

Avation plc