Shy Torque....Why will the CAA not approve the use of GPS as a primary form of navigation? The FAA does...and we have approved GPS approaches that approach ILS accuracy.
In Nigeria, when the Nigerian CAA mandated the installation and use of GPS, Bristow management there made the enlightened statement..."ok fine, but when they go U/S, that is the end of it...we will not repair them!" They had taken the attitude that GPS purchase "just wasn't on, old chap!"