ALG A-12 – Lignerolles – Airfields in Normandy

ALG A-12 – Lignerolles

Battle of Normandy

This page presents the history of ALG (Advanced Landing Groud) A-12, used by the 9th United States Air Force during the Battle of Normandy.

Image : 9th Air Force

9th United States Air Force

Location: Lignerolles, Calvados (14)

Code: A-12

Coordinates: 49°10’37”N – 000°47’26”W

Construction: from July 6 to 18, 1944 by the 820th Engineer Aviation Battalion (EAB)

Operational period: from July 18 to November 4, 1944

Length: 1 524 m (5 000 feet)

Width: 36,57 m (120 feet)

Azimuth: 77°

Airstrip: Square-Mesh Track (SMT) & Prefabricated Bituminous Surfacing (PBS)


– 362nd Fighter Group (377th Fighter Squadron, 378th Fighter Squadron, 379th Fighter Squadron) using P-47 Thunderbolt.

– 365th Fighter Group (386th Fighter Squadron, 387th Fighter Squadron, 388th Fighter Squadron) using P-47 Thunderbolt.

ALG A-12 history:

ALG A-12 is built northeast of Bois de Baugy, while the area is still subject to enemy artillery fire. The track is covered with PBS (Prefabricated Bituminous Surfacing), also known as “Hessian Mat”, a coating that limits the effects of mud and dust.


– Commemorative stele north of the place called Le Chuquet. – Reproduction subject to authorization of the author – Contact