London's Air Ambulance its second MD 902, registration G-LNDN. Built in 2008, the aircraft was previously registered in Qatar as A7-NHA. In addition to the standard livery, it bears the masonic Square and Compasses symbol on each side, with the words "London Freemasons" lettered under the doors, to reflect the significant funding from the organisation. At night or when the helicopters are offline the medical crew, including a paramedic and senior trauma doctor, still respond to emergencies, but travel in a specially equipped rapid response car. The six cars, Škoda Octavias and also Škoda Superbs, occasionally operate during the day, carrying backup medical
Square and Compass, Worth Matravers and no bar counter. The lights are now powered by electricity and there is running water, but there is still no bar counter - drinks are served through two serving hatches. The pub is named after Square and Compasses, the tools used by carpenters and stonemasons. It is known as Sqump to its regulars, the Square and Compass was popular amongst the Telecommunications Research Establishment scientists in Purbeck, who knew the inn as Sine and Cosine. The public house includes a small museum which displays fossils and local artefacts. The artefacts were collected by the current landlord and his father,