The Hylifter HLM-15 aerial platform and airport mobile maintenance platform is an economic self contained hydraulic platform that fits in a ¾ or one ton pickup bed and provides 15’ vertical height and 20’ of working height. The HLM-15 can be supplied as a kit for installation and is as easy as drilling (8)holes and hooking up the furnished recharge isolator. The HLM-15 includes standard features such as round handrails, fail safe dump control relay, cylinder locking valve, low pressure-over sized cylinder corrosion proof rollers and maintenance support stands. The HLM-15 has upper and lower controls and the lower controls override the upper controls in an emergency. An emergency down function is electrically actuated.