A couple of minutes in photoshop and illustrator gives my interpretation of it, think this is more like it including the point at the bottom of the shield.

inkworm, thank you very much, i think that could be spot on actually, its always good to know there are people on here willing to spend sometime to help others out, there have been quite a few occasions i have been stumped by low quality images and logos, your time has been very much appreciated and G – AIDL can take to the air once more around the Mountains of Snowdonia…

many thanks