Lockheed Martin flight service personnel confirmed that a no-fly zone centred on former Vice President Dick Cheney's weekend home in St. Michael's, Maryland expired last night, and was replaced today by a slightly larger temporary no-fly zone around Vice President Joe Biden's home in Wilmington, Delaware.

Cheney's protection zone, established in November 2005, excluded aircraft from flying at 1,500ft and below in a 1nm-radius cylinder of airspace around his weekend retreat.

For Biden, the US Federal Aviation Administration has set up a 1.5nm-radius temporary flight restriction (TFR) zone, also with a 1,500ft cap, which starts today and expires on 27 January. No word on whether Biden's TFR will become permanent.

Source: FlightGlobal.com