(1)A person subject to service law commits an offence if, without lawful excuse, he intentionally—
(a)gives a false air signal; or
(b)alters or interferes with an air signal or any equipment for giving an air signal.
(2)In this section “air signal” means a message, signal or indication given (by any means) for the guidance of aircraft or a particular aircraft.
(3)A person guilty of an offence under this section is liable to any punishment mentioned in the Table in section 164, and any sentence of imprisonment imposed in respect of the offence may be for life.