scope:

FOREWORD

1. This document was prepared by EUROCAE Working Group 28 "Ground Based Augmentation Systems" and was approved by the Council of EUROCAE on 5 October 2017.

2. EUROCAE is an international non-profit making organisation in Europe. Membership is open to manufacturers and users of equipment for aeronautics, trade associations, national civil aviation administrations, and, under certain conditions, non-European organisations. Its work programme is principally directed to the preparation of performance specifications and guidance documents for civil aviation equipment, for adoption and use at European and world-wide levels.

3. The findings of EUROCAE are resolved after discussion amongst Members of EUROCAE and in collaboration with RTCA Inc, Washington D.C., and/or the Society of Automotive Engineers (SAE), Warrendale PA, U.S.A., through their appropriate committees.

4. This amendment is intended to update ED-114A to correct issues detected during various GBAS CAT-I ground subsystem implementation programs.

5. EUROCAE performance specifications and other documents are recommendations only. EUROCAE is not an official body of the European Governments. Its recommendations are valid as statements of official policy only when adopted by a particular government or conference of governments.

6. Copies of this document may be obtained from:

EUROCAE 9-23 rue Paul Lafargue 93200 SAINT-DENIS France