(3) If an infringement of the collision regulations is caused by the wilful default of the owner or navigator of an aircraft or of any person in charge of the craft at the time, that owner, navigator or person shall be guilty of a misdemeanour. (4) If the infringement of the collision regulations is caused by any wilful default, the wilful default shall be deemed to be the wilful default of the navigator. Provided that if the navigator proves to the satisfaction of the Court that he issued proper orders for the observance and used due diligence to enforce the observance of the collision regulations, and that the whole responsibility for the infringement in question rested with some other person, the navigator shall be exempt from any punishment under this provision. (5) The collision regulations may provide for the inspection of aircraft for the purpose of seeing that the craft is properly provided with lights and the means of making fog signals in conformity with the collision regulations [and the seizure and detention of any craft not so provided]. IDENTIFICATION REGULATIONS 7—(1) The Board of Trade may make regulations providing generally for facilitating the identification of aircraft, and in particular for determining and regulating generally the size, shape, and character of the identifying marks to be fixed under the regulations, and the mode in which they are to be affixed and rendered easily distinguishable [whether by night or day], and any such regulations may provide for the recognition of identifying marks complying with the law of any British possession or foreign nation which appears to the Board of Trade equally effective for facilitating the identification of aircraft. (2) The regulations under this section may provide for the seizure and detention of any aircraft which is not marked in accordance with those regulations. (3) If any person navigates or allows to be navigated any aircraft in respect of which any of the requirements of the regulations made under this section are not complied with, he shall be guilty of an offence under this Act [_qu._ he shall be guilty of a misdemeanour]. AIRCRAFT PAPERS 8—(1) The Board of Trade may make regulations— (_a_) requiring logs and such other papers as may be prescribed to be carried in aircraft; (_b_) prescribing the form of such logs and other papers; (_c_) prescribing the entries to be made in logs and the time at which and the manner in which such entries are to be made; (_d_) as to the production, inspection, delivery up, and preservation of logs and other papers. (2) If any person contravenes any of the provisions of the regulations under this section he shall be guilty of an offence under this Act. SIGNALS OF DISTRESS REGULATIONS 9—(1) The Board of Trade may make regulations as to what signals shall be signals of distress in respect of the various classes of aircraft, and the signals fixed by those regulations shall be deemed to be signals of distress.