JAA TGL 10 PDF

The guidance material includes airworthiness and operational approval criteria related to P-RNAV systems intended to be used under Instrument Flight Rules, including Instrument Meteorological Conditions, in designated European airspace. It addresses general certification considerations including functional requirements, accuracy, integrity, continuity of function, and system limitations together with operational considerations.

The guidance material is applicable to P-RNAV operations in terminal airspace and, where implemented by states, to en-route navigation. For the purposes of this leaflet, PRNAV procedures are expected to apply to operations including departures, arrivals, and approaches up to the point of the Final Approach Waypoint (FAWP). For the immediate future, holding patterns are expected to be flown with conventional procedures. For PRNAV operations in terminal airspace, obstacle clearance protection, up to the FAWP, will assume that aircraft comply with the P-RNAV accuracy requirements. It should be noted, however, that the navigational accuracy required for the final flight phase of the intermediate segment will be influenced by the transition to, and requirements of the subsequent flight phase.

The final approach, i.e. from the FAWP down to the runway threshold, together with the associated missed approach, will be addressed in a future leaflet. Similarly, a future leaflet will address the application of the concepts of RNP-RNAV.

The P-RNAV application addresses a navigation performance for track keeping accuracy but does not satisfy all aspects of the Required Navigation Performance concept promulgated by ICAO in documents 9613 and 9650.

This leaflet discusses operational aspects of vertical navigation but does not give certification criteria for such systems as vertical navigation capability is not mandated for PRNAV.

Section 3.2 of this leaflet refers to documents which contribute to the understanding of the P-RNAV concept and which may support an application for approval. However, it is important that an applicant evaluates his aircraft system and proposed operational procedures against the criteria of this leaflet. Unless stated to the contrary in this leaflet, systems and procedures previously approved as compliant with earlier area navigation guidance material will need to be re-evaluated to identify where additional approval effort , if any, is needed.

Compliance with this leaflet provides a basis for, but by itself does not constitute, an operational approval to conduct P-RNAV operations. Aircraft operators should apply to their national authority for such an approval.

A glossary of terms and acronyms used in this leaflet is given in Annex A.

PURPOSE

The guidance material of this leaflet does not constitute a regulation but, when followed in its entirety, does establish an acceptable means that can be used to obtain airworthiness approval of a P-RNAV system, and to obtain the necessary operational approval for its use in designated European airspace. An applicant may elect to use an alternative means of compliance. However, that means of compliance must meet the objectives of this leaflet and be acceptable to the responsible authority. Compliance with this leaflet is not mandatory hence use of the terms shall and must apply only to an applicant who elects to comply with this leaflet as the means to obtain airworthiness and operational approval.

This leaflet may be amended periodically and will be replaced in due course by appropriate JAR Requirements, Advisory or Interpretative and Explanatory Material.