triangle with lights, and something like landing "legs"

it was a totally clear night... we spotted the craft quite a distance from us.  it was triangle with colored lights around it, first far away, then all of a sudden above us, like it was about to land... I remember it had legs with something at the bottem of them, i always have described them as looking like suction cups... my friend and i ran across the street, i didn't take my eyes off of it... then it was gone... i was a senior in high school... no i did not make a mistake on the date, it was 1974.  these are the details i remember most, there may be more characteristics to check below, but i can't remember for sure.  i looked and looked on the internet and i don't see any other reports about a triangle shape with "legs"...
 if anyone from your office wished to speak with me i would be more than happy to speak to them.
Witness indicates that the date of the sighting is approximate.  PD