Join The Search For The Lost D-Day Landing Clickers

Join The Search For The Lost D-Day Landing Clickers

As the 75th anniversary of the D-Day landings approaches, ACME Whistles are calling out to veterans and their loved ones to join the search for ‘The Lost Clickers’ used at Normandy.

Paratroopers were dropped into darkness behind enemy lines on the night before D-Day. The darkness and the need for stealth meant that regular communication would be dangerous, so the clickers were used to overcome this. If Paras were not alone when they landed, or later detected someone close by, they were to click once. Two clicks in reply meant friend, no response meant something else.

D-Day Landing Clicker - Photo from ACME Whistles
D-Day Landing Clicker - Photo from ACME Whistles


They were only used for 24 hours before their use was banned completely. This was an organised attempt at protecting the allied war effort and gave Paras an edge over the enemy thanks to this clear and simple means of communication. In addition to this means of recognition, a voice code was developed (valid during 24 hours following the start of operations): “Flash”, word to which it was necessary to answer “Thunder”. On the second day, the code became “Hustle”-“Along”.

Before D-Day, the English firm ACME Whistles spent 6 months making 7,000 'clickers' for soldiers. Some were nickel plated but some were just left in plain brass, to ensure that they were ready in time for D-Day. Each clicker was individually tested and the consequences of a clicker failing don’t bare thinking about.

Now, as we rapidly approach the 75th anniversary of D-Day, the company ACME Whistles would like to track down as many of the original 7,000 clickers as possible.

‘Do YOU have an original ACME Clicker’

Perhaps your great-grandad was a D-Day veteran, maybe he has a box of war medals where it could lie waiting to be discovered? Maybe a neighbour is a widow of a D-Day veteran who doesn’t realise the significance of the unassuming Clicker? ACME ask that people start seeking them out, to see if they can unearth a lost piece of sound history.

If and when the Clickers are found veterans, friends and family who take ownership of them will be invited to a special commemorative day, hosted by ACME Whistles.

If you believe you’re in possession of an original ACME Clicker please contact Ben McFarlane at or call 01215542124.



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