Police last week revealed a probe into "extraordinary rendition
was ongoing" but said nothing had been found to suggest suspects were on board at the time.
The academics said rendition
flights involve the transfer of suspects to locations abroad where they may have been tortured.
Dr Blakeley said: "The global rendition
system was deliberately established to facilitate the arbitrary detention and torture of terror suspects, and has involved dozens of countries worldwide.
There has been no official investigation in Pakistan into its complicity in CIA extraordinary renditions
and secret detentions, the report noted.
It says he was subjected to "unlawful detention and inhuman and degrading treatment in Hong Kong", on the plane to Tripoli during his extraordinary rendition
and during his subsequent imprisonment in Libya.
Earlier this month, the BBC revealed that the UK government had approved the rendition
of Mr Belhadj and his wife - Fatima Bouchar - to Gaddafi's regime, though it was unclear at what level.
Documents were later discovered showing that British personnel were instrumental in his detention and rendition
, he said.
Mr Ahern said he "could use a little more information" about the flights saying it might not be a bad idea to allow random inspections of a few planes to proceed, which would provide cover if a rendition
flight ever surfaced.
Investigations have revealed several European countries were complicit in the CIA's controversial rendition
and secret detention programme in the aftermath of the September 11 attacks.
She said: "I have asked Birmingham International Airport about rendition
flights before and their statement is that they have no knowledge of them.
The Government has been urged to introduce a new offence making it illegal to use British bases for extraordinary rendition
have been drawn up by a British cross-party
Summary: A former Guantanamo Bay detainee has launched legal action against the British Government over his rendition
The Ministry of Defense has been repeatedly asked over the past five years about its involvement in rendition
, the unlawful transfer of suspects to a third country, and consistently denied it played any role in the U.
As details of the extraordinary rendition
program have emerged, politicians, journalists, academics, legal experts, and policymakers have raised serious objections to the policy.