Underwood-Instrument Services, Inc.
2550 Midway Rd., Suite 100
Carrollton, TX 75006
United StatesFAA instrument maint., modification, overhaul & repair; 24 hr. AOG service; line service; Class 1, 2, 3 & 4 unlimited, FAA Repair Station #SN1R486K; EASA.145.5210