(1) Except under special instructions, the loco pilot shall always sound the whistle of the locomotive according to the prescribed code of whistle or the following circumstances, namely,-
(a) before putting a locomotive in motion;
244 THE GAZETTE OF INDIA : EXTRAORDINARY [PART II—SEC. 3(i)]
(b) when entering a tunnel;
(c) when approaching a manned or unmanned level crossing; and
(d) at such other times and places as may be prescribed by special instructions.
(2) locomotive whistle code shall be as under,- The signals below by ‘0’ stand for a short whistle and ‘—’ for a long whistle,- S.No. Whistle Code Indication 1 ____ (long) (a) Before starting,- I. indication to loco pilot of assisting or banking locomotive and acknowledgement by the loco pilot of assisting or banking locomotive to leading locomotive that the loco pilot of leading locomotive is ready to start;
II. indication to loco pilot of assisting or banking locomotive and acknowledgement by the loco pilot of assisting or banking locomotive to leading locomotive that the loco pilot of leading locomotive is ready to start;
III. locomotive ready to leave or go to loco yard;
IV. pressure recreated on ghat section, remove sprags and also release brakes; and V. before starting a train from station or mid-section.
(b) On run,-
(i) indication to loco pilot of assisting or banking locomotive and acknowledgement by the loco pilot of assisting or banking locomotive to leading locomotive that the loco pilot of leading locomotive is that assistance is not required;
(ii) passing stop signal at ‘ON’ on proper authority;
(iii) passing an automatic stop signal;
(iv) passing an intermediate block signal at ‘ON’ when the loco pilot is unable to contact the station in rear; and
(v) lower or raise pantograph to be acknowledged by loco pilot of assisting locomotive.
2 ____________ (Continuous long)
(a) Before starting,-
(i) recall railway servant protecting train in rear;
(ii) material train ready to leave; and
(iii) main line cleared after backing into siding.
(b) On run,-
(i) approaching level crossing or tunnel or area of restricted visibility or curves or cutting or site of accident;
(ii) running through a station;
(iii) approaching a stop signal at ‘ON’;
(iv) detained at a stop signal;
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(v) in consequence of bad weather impairing visibility or any other reason the view of signals is obstructed;
(vi) apprehension of danger;
(vii) danger signal to the loco pilot of an approaching train whose path is fouled or obstructed for any reason;
(viii) while working on a single line section when single line working is introduced on a double line section; and
(ix) moving in wrong direction on a double line or against the signalled direction in the automatic block signalling territory or against the established direction in the automatic block signalling territory on single line.
3 O O_____ (Two short one long) insufficient air pressure in locomotive,- 4 OOO ( Three short)
(a) train is out of control, guard to assist, if present; and
(b) train cannot proceed ahead on account of accident or failure or obstruction or any other exceptional cause.
5 __ O __(One long, one short one long)
(a) train entered block section with wrong ‘authority to proceed;
(b) train parting;
(c) train arriving incomplete;
(d) fouling mark not cleared; and
(e) signal defective.
G - Duties of Staff on Arrival