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4.63.2 Separation – The Clock Code

1. The 12-hr Clock Reference
  • Direction from one aircraft to another
  • is expressed with clock method
  • Each 5 minutes of the hour represents a
  • 30 degree arc 
2. Examples of use
  • Aircraft at 10 o'clock:
  • is at  2x30 = 60 deg
  • to left of nose of aircraft by left wing
  • Aircraft at 8 o'clock:   
  • is 4x30 =120 deg
  • to the left of or just behind the left wing