LIGHTING RESTRICTIONS

Press, Volume LXXVII, Issue 23375, 8 July 1941, Page 10

LIGHTING RESTRICTIONS

Sir,— “Navigator's”-' letter - in “The Press’ ’ to-day concerning. navigation and its relation - to naval' gunnery -and a ;blackrbut ’ is ; ;most iniunihatmg.' especially ~4 iS;'^«^ce;\td'iair^dnrf finding through wireless stations;, ’ ; : t; It .is notevWf tbyVthht bunJaipmeh, and , the: enemy l r s,ieem able, te get ov^r both Beflin>and Ldnddndespite clouds and, log, - ,but, Even.-toougbrskyglowmay;be“visible: for, 40 mUes out to sea, whatappreciable. difference is made by a black-out when navigation is sa perfect?: In any case, the speed of any sea ,raider is not likely to be more, than -30 miles an hour. and presuming shelling is attempted at night from say six miles offshore, how far could’ the/raider be off land by daylight? Gertainly-not beyond air bombing orange; when the speed of aircraft is considered! We sbould remember/that:upon,"the occasions when local shipping ■ losses were- suffered at- the - harids : of -sea raiders,, 'these attacks were- made beyond the "range! of New .Zealand b6mbcrs,- Evemff ;a night air ra\d were attempted from an aircraft carrier, jthe sea-bomeraachlnes.have.amucfamore limited *. range "than land-based machines. Therefore, baled about"-black-buts?—Yours, etc., - I CARRY JON. , July?; 1941. . ; s .