O. B727-16236-1441, GPS ANTENNA INSTALLATI N, REV. A, DATED 05/29/01, REFERENCE FAA FORM 8110- 3. DATED 018/01 BY STRUCTURES DER NO. DERT-510024-CE. THE UNS-1D SYSTEMS RECEIVE BARO-CORRECTED ALTITUDE AND TAS INFORMATION FROM THE NO. 1 AND NO.2 AIR DATA COMPUTERS RESPECTIVELY, VOR/DME BEARING AND DISTANCE INFORMATIO