The present invention is a flight deck system for promoting accurate navigation of an aircraft. The system includes a memory configured for storing position information for the aircraft. The system further includes a processor which is configured for being communicatively coupled with the memory, the...http://www.google.de/patents/US7782229?utm_source=gb-gplus-sharePatent US7782229 - Required navigation performance (RNP) scales for indicating permissible flight technical error (FTE)
