Helicopters in demand as tenders approach Vol 13, PW 22 (22 Apr 10) Exploration & Production Helicopter operators are eagerly awaiting a string of offshore tenders from ONGC, BG, GSPC, Eni, Transocean and Cairn.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedMaximum 5-year chopper age angers bidders (06 Apr 23) ONGC needs less helicopters than before (09 Sep 21) Three bid for ONGC air ambulance tender (06 May 21) 'Milestone' blunder in ONGC helicopter tender (25 Feb 21) Pawan Hans in spotlight over ONGC bias charge (30 Jan 20) No more free VIP chopper rides from ONGC (06 Sep 18) More problems for ONGC with Global helicopters (12 Jul 18) ONGC must relax outdated helicopter terms (31 May 12) Helicopters in demand as tenders approach (22 Apr 10)