Cobham’s Electronic Flight Instrument System (EFIS) received FAA Supplemental Type Certificate (STC) amendments for hundreds of aircraft to provide Localizer Precision with Vertical Navigation (LPV) approach capability.
Hardware and software required for LPV capability on these aircraft include the following: a WAAS Beta III GPS receiver, Cobham version 7.0E operating system software, an Analog Interface Unit-2, if Cobham’s EFIS is driving an analog autopilot system LPV is a type of approach based on the Wide Area Augmentation System (WAAS), published on RNAV (GPS) approach charts.
The amendments cover both larger-model aircraft noted on the Part 23 Approved Model List (AML) under STC #SA02254AK and the Citation 501 under STC #SA02220AK.