Code Keys - Explanation of the terms used

Country:   YemenLatitude: 15° 8' N
Geographic Region:   YEMEN ADEN Longitude:42° 36' E

Publication172  Tugs Salvage   Lifts 
Chart62292  Tugs AssistY          200 Tons Plus
Harbor SizeL  Quarantine           50-200 Tons
Harbor Type         Pratique          25-49 Tons 
Shelter Afforded         Deratt Cert          0-24 Tons 
Entrance Restrictions          Other   Services 
       Tide   Communications           Longshore
       Swell          TelephoneY          Electrical
       Ice          Telegraph          Steam
       Other Y         Radio           Navig Equip
Overhead Limits         Radio Tel Y          Elect Repair
Channel Depth         Air   Supplies 
Anchorage Depth         Rail          Provisions
Cargo Pier Depth  Load/Offload           Water
Oil Terminal DepthJ         Wharves Y          Fuel Oil
Tide         AnchorY          Diesel Oil
Maximum Size VesselL         Med Moor          Deck
Good Holding Ground         Beach Moor          Engine
Turning Area         Ice Moor   Repair
First Port of Entry  Medical Facilities   Drydock
U.S. Representative  Garbage Disposal   Railway
ETA MessageY  Degauss     
Pilotage   Dirty Ballast     
       Compulsory   Cranes      
       Available Y         Fixed     
       Local AssistY         Mobile     
       AdvisableY         Floating