Reports on a study of develop user recommendations for a 
national implementation policy for MLS as the primary landing 
system in service by the year 2000. Volume I provides 
recommendations on how best to transition from ILS to MLS; 
recommends implementation strategy and a national 
implementation policy, which are summarized in a findings and 
recommendations chapter. Volume II includes six appendices, 
which are the reports of working groups in special categories 
such as Benefits, Airborne Systems Operational Capabilities and 
Civil System Costs.

NOTE:  The electronic DO-166 V1 and V2 are pdf files but they 
are not in searchable format.