“This is a landmark agreement not only because it paves the way for Iran Air’s fleet renewal." Source: Fabrice Bregier, Airbus President and CEO. Airbus has firmed up an agreement to sell 100 airliners to Iran Air.
The theoretical height above the runway threshold at which the aircraft’s glideslope antenna would be if the aircraft maintains the trajectory established by the mean ILS glideslope or the altitude at which the calculated glidepath of an RNAV or GPS approaches.