Here is an update from the CAA Website:
http://www.caa.co.uk/docs/213/1744.pdf
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Secretary of State's Decisions on applications by UK operators to lease foreign-registered aircraft
The Secretary of State for Transport has granted approval to the following UK operators to lease foreign registered aircraft:
Standard Transparent Procedure
British Airways Plc to wet lease one US registered Boeing 747-200F aircraft (registration N528MC or substitute) from 15 April 2006 until 20 September 2006 to provide additional capacity. After careful consideration the Secretary of State has decided that a waiver should be granted on the understanding that this is the final extension that will be granted in relation to this wet lease.
Details of the application were published in Official Record Series 2 No 1735 & No 1741.