An extract from the Unit Diary a day before the German attack on France and the Low Countries began. With that in mind it is ironic that 2 of the 8 guns were taken out of action. PIPII was located at Vraux. 16 Blenheim IVs of the Advanced Air Striking Force were based at Vraux.

9/5/40
0800 - No. 1 and 2 guns at PIPII (south) placed out of action owing to the removal of receiving dials to change over from A.R.C. to "M" Type transmission. (Predictors).