APPENDIX “I” (b)

…………………………

ACTION OF MEDIUM TRENCH MORTAR BATTERIES.

(1). Six Medium Trench Mortars will support the raid if required.

(2). These Mediums will be distributed as follows:-

Battery.          Rate of fire.                                         Guns.               Objective.

Right Zone.

“Y”/M.T.M.B. 1 round per gun per                             2.                     N.10.b.58.28.

minute.                                                                       to

N.10.b.90.42.

Left Zone.

1^st Canadian                – do –                                       2.                     N.6.d.15.55.

M.T.M.B.                                                                                                        to

N.6.d.45.97.

2. 6.b.92.33.

to

N.6.b.90.47.

(3).       (a) Batteries will “stand by” from Zero minus 30 mins. until notified that    operations are over.

(b) If Batteries have not been called upon to shoot during the period of the            raid, they may carry out a destructive shoot as soon as the operations are over.

(4). Batteries will only open fire:-

(a) When the rocket signals mentioned in Appendix I (a) are released.

(b) When their respective Zone batteries open fire if no rockets are released.

(c) If specially requested to do so by  the O.C. Raid.

P.H. Hausey

Captain.

Brigade Major,

170^th Infantry Brigade

12/7/17

O.C. Raid

Capt Hollis

APPENDIX I (a)

…………………………

ARTILLERY PROGRAMME

(1). The following number of guns are now available to support the enterprise:-

18-pdrs……………17

4.5-hows………….. 4

with heavy guns in addition.

(2). There will be two artillery zones of fire, i.e.

(a) Right Zone. covering “T”, “U”, “V”, “W” parties.

(b) Left Zone. covering “X”, “Y”, “Z” parties.

Fire will be directed on all known M.G., T.M. emplacements, and trench junctions      as under,

(3). Right Zone.

Battery.          Rate of fire.                                         Guns.               Objective.

B/285^th                        First 5 mins. 4 rds per                         1                      N.11.a.05.05.

gun per min.  Subsequently                 1                      N.11.c.35.27.

3 rds. per gun per min.                        1                      N.11.a.23.22.

1                      N.11.b.38.51.

1                      N.11.d.51.74.

A/285^th                        – do –                                       1                      N.11.b.60.75.

• 11.b.89.62.

D/285^th            First 5 mins. 4 rds. per gun                 1                      N.11.a.80.28.

guns per min.  Subsequently

2 rds. per gun pre min.

Left Zone.

A/285^th            First 5 mins. 4 rds. per gun                 1                      N.12.a.17.68.

per min.  Subsequently 3 rds.              1                     N.12.a.55.88.

per gun per min.                                  1                      N.12.a.83.53.

• 12.b.24.70.

376^th Bty                     – do –                                       1                      N.6.d.1.4.

• 6.d.48.77.
• 6.d.48.91.
• 6.b.78.01.
• 6.b.96.43.
• 7.a.39.50.

D/285^th            As for “Right” Barrage Zone.             1                      N.12.a.38.05.

• 12.a.60.55.
• 6.c.98.00.

NOTE:- 18-pdrs. will fire 50% A and 50% A.X.

(4).       (a) The request for artillery support lies in the hands of the O.C. Raid (Captain       Hollis).

(b). Either “Right Zone”, “Left Zone” or “both zones” may be asked for at any      time after Zero hour.

(c). Artillery will not open fire unless requested to do so by the O.C. Raid.

(5). The following method of obtaining artillery support will be adopted if the telephone wires are cut or if artillery support is urgently required. Otherwise the telephone only will be used.

(a) Right Zone.  The O.C. Raid will fire two RED Rockets from Raid H.Q. in        our front line trench when “Right Zone” is required; this request will be             confirmed by telephone.  “Right Zone” batteries will open as soon as possible           after the second RED Rocket is fired.

(b) Left Zone.  The O.C. Raid will fire two GREEN rockets from the Raid            H.Q. when “Left Zone” is required; this request will be confirmed by    telephone.  “Left Zone” batteries will open as soon as possible after second             GREEN rocket is fired.

(c) Both Zones.  The O.C. Raid will fire a RED rocket followed by a GREEN       rocket.  This request will be confirmed by telephone.  All batteries will open   fire as soon as possible after these rockets have been fired.

(6).       (a) Sufficient ammunition is available for a sixty minute barrage.

(b) The O.C. Raid may stop the artillery whenever he wishes to do so by    telephone, or if the telephone wires are cut or the matter is urgent by           employing the following rockets –

Right Zone – RED rocket followed by a WHITE rocket.

Left Zone – GREEN rocket followed by a WHITE rocket.

Both Zones – RED rocket, GREEN rocket, followed by a WHITE                                     rocket.

The above will be confirmed by telephone.

(c) The artillery will immediately cease fire as soon as the rockets affecting             their zone are fired, or if the rockets are not fired they will cease fire as soon as the   message comes through on the telephone ordering them to do so.

(7). If the O.C. Raid wishes the artillery to re-open fire again later on, the same method of obtaining artillery support will be adopted.

(8). Batteries will “stand by” from Zero hour minus 30 mins. Until notified that the operation is over.

(9) 2^nd Lieut. Overton (D/285^th) will act as liaison Offr. and will report to the O.C. Raid at a time and place to be notified later.

P.H. Hausey

Captain.

Brigade Major,

170^th Infantry Brigade

12/7/17