PY-3 helicopter Vol 14, PW 23 (19 May 11) News in Brief UK-listed Hardy Oil & Gas is set to extend a helicopter service contract at the offshore Chennai PY-3 field, much to the dismay of partner ONGC.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedPawan Hans for ONGC helicopter contracts (21 Mar 24) ONGC faces dilemma with Pawan Hans bid (22 Feb 24) Pankaj Kumar wins helicopter tender praise (10 Aug 23) Heligo Charters in HOEC arbitration battle (16 Jun 22) ONGC wants 7 helicopters for 5 years (07 Oct 21) Air ambulance controversy grows at ONGC (11 Mar 21) More problems for ONGC with Global helicopters (12 Jul 18) Helicopter scare for ONGC at Juhu helibase (28 Jun 18) Cairn preparing EoIs for CB-OS/2 chopper tender (05 Jun 14) Hardy Exploration moves into Phase II (10 Nov 99)