This Fire Support Base was located north of LZ Pony on Highway TL3A at BR809878. LZ Orange
LZ Orange was fitted with a couple 105's which were owned and operated by the RF/PF (Regional Forces/Popular Forces) pronounced "RUFF PUFFs" with MACV Advisors and Mobil Advisory Team II-44 (MAT II-44). It was the district headquarters for the Hoi An District, Binh Dinh Province. It had a small one chopper LZ outside of the compound perimeter and a flush toilet that you activated by pouring a bucket of water in it.
The 105mm howitzers were emplaced in gunpits and they could provide accurate fire support to a distance of 10,000 meters, or 10 kilometers (about 6.2 miles).
LZ Orange was maintained by the 19th Engineers.
Here are some photos of LZ Orange courtesy of Mike Deal, 173rd Airborne Brigade (Separate):
View of Valley Floor
Highway TL3A in the fore ground going to the left (south) towards LZ Pony and 506 Valley