Document contributor contact points Revision history Future work Foreword

2 Copyright © 2014 Open Geospatial Consortium.

1.3 Document contributor contact points

All questions regarding this document should be directed to the editor or the contributors: Name Organization Thomas Forbes Snowflake Software Ltd. Ballal Joglekar Snowflake Software Ltd.

1.4 Revision history

Date Release Editor Primary clauses modified Description 2014-01-31 Version .1 T. Forbes B. Joglekar All Initial draft. 2014-04-14 Version .2 T. Forbes All Final Draft ER for review. 2014-05-14 Version .3 T. Forbes All Final ER

1.5 Future work

Improvements in this document are desirable as the OGC community continues its efforts to advance interoperability using OGC and ISO standards within the aeronautical domain. The following topics should be addressed in follow-up activities: S XML attribute removal performance impact assessment. S Address the issues raised in Section 9 and 10.

1.6 Foreword

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The Open Geospatial Consortium shall not be held responsible for identifying any or all such patent rights. Recipients of this document are requested to submit, with their comments, notification of any relevant patent claims or other intellectual property rights of which they may be aware that might be infringed by any implementation of the standard set forth in this document, and to provide supporting documentation. Copyright © 2014 Open Geospatial Consortium. 3 2 References The following documents are referenced in this document. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest edition of the normative document referred to applies. ISO 19103:2005 – Geographic Information – Conceptual Schema Language ISO 19107:2003 – Geographic Information – Spatial Schema ISO 19109:2005 – Geographic Information – Rules for Application Schema ISO 19110:2005 – Geographic Information – Methodology for Feature Cataloguing ISO 19136:2007 – Geographic Information – Geography Markup Language GML OGC 06-121r3, OGC ® Web Services Common Standard NOTE - This OWS Common Standard contains a list of normative references that are also applicable to this Implementation Standard. 3 Conventions

3.1 Abbreviated terms