Holding in Company

20th July 2009
                                                     AVATION PLC
                                            ('AVATION' OR THE 'COMPANY')

                                      NOTIFICATION OF SIGNIFICANT SHAREHOLDINGS

The  Board of Avation Plc received notification on 20th July from Bennelong Asset Management LLP that Bennelong Asia
Pacific  Multi  Strategy  Equity Fund Limited, has an economic long exposure through a contract  for  difference  of
3,620,000 shares in the Company and this interest amounts to 14.16% of the issued voting shares of the Company. This
interest has been notified following the changes to the FSA DTR. Bennelong does not currently have a voting interest
in 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.

WEBSITES                                                                    www.avation.net

Avation plc