First there was a compass swing, then to anchor for the night off Cottesloe.

Compass swing conducted within last 12 months.

A compass swing involves tests to verify the plane's compass is working properly.

Absence of, or inappropriate compass swing requirements.

Note that all maintenance activities after which a compass swing should be carried may include, but not be limited to, the following:

A Twin Huey had its tail rotor and right elevator damaged during a compass swing.

The March 2003 U.S. invasion and subsequent violence have made Iraq's moral compass swing wildly for the past six years.

If your compass has built in correctors you are bound to either do a full compass swing and correction or remove the built in magnets.

The aircraft required a compass swing and had oxygen system leaks and because of this Lt Ferris had been required to sign for its release from maintenance, therefore accepting responsibility for his own safety.

Spokeswoman Rusty Drewitt from the Vulcan to the Sky Project said: "She is going to take off from Bruntingthorpe for an hour of avionics testing and then land at RAF Coningsby to do a compass swing."

CORPORAL TONY JUSTASON In November 2004, following a ground compass swing, Corporal Justason was tasked to carry out an after flight inspection on Hercules CC130320.