Large Transport; Low Wing; 2 Turbojet Eng
Flight Crew Air Transport Pilot (ATP)
Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Chart Or Publication
IAH recently published several new RNAV approaches. All of the RNAV (RNP) approaches in IAH have the phonetic alphabet 'Y' in the title. At other airports that have RNAV (RNP) approaches the letter 'Z' is in the title. So at most airports we are cleared for RNAV (RNP) Z RWY XX approach. At Houston we are cleared for RNAV (RNP) Y RWY XX approaches. At the other airports; the RNAV Y approaches have (GPS) in the title of the approach- RNAV (GPS) Y RWY XX. RNP and GPS approaches have a slightly different FMC box programming protocol. Not sure if the IAH approaches were coded wrong; but it would be nice to have a consistent naming protocol when using RNAV (RNP).
Air carrier Captain reported that IAH's use of the 'Y' designation on all RNAV (RNP) approaches is not in accord with other airports' use of the designator 'Z' on (RNP) approaches.