1. 
   PANS OPS
   Aviation acronym: Procedures For Air Navigation Services Rules Of The Air And Air Traffic Services
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   PANS-OPS
   PANS-OPS (Procedures for Air Navigation Services - Aircraft Operations) is an ATC term denominating rules for designing instrument approach and departure procedures. Such procedures are used to allow aircraft to land and take off under Instrument Meteorological Conditions (IMC) or IFR. == ICAO Rule...
   Found op http://en.wikipedia.org/wiki/PANS-OPS
   
   

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