http://www.isasi.org/documents/isasi...ix-whoi-a4.pdf
has some ineresting detailsn the search for AF447 and its costs.
surface search June 2009 26 days
€80 million
(estimated for
information)
Phase 1 June/July 2009 30 days
Phase 2 August 2009 22 days 10 M €
Phase 3 April/May 2010 52 days 11.6 M €
Phase 4 March/April
2011
15 days 7 M €
Phase 5 April-May 2011 31 days 6 M €
TOTAL phases 1-5 (on site) 176 days
€ 34.6 million
(estimate)