82% occur by one aircraft being overtaken from the rear.
35% occur with convergence less than 10 degrees.
77% occur below 3000'
49% occur below 500'

Midairs
  • The pilot is responsible for maintaining a scan which may or may not be supplemented by ATC.
  • Use CRM especially passengers
  • Be accurate on your position reports and suspicious of those of others.
  • Check and recheck all clearances and advisories.
  • If you lose visual contact with reported traffic, let ATC know.
  • Avoid letting terrain or weather suck you into a high traffic area.
  • Avoid direct flight through VORs
  • The higher you fly the less traffic you will have.
  • Fly coastlines at least 1/2 mile off-shore
  • Clean your windows.
  • Strobe lights increase aircraft delectability times 10.

    CFIT (Controlled flight into terrain)

    Accidents occur when situational awareness is compromised and account for 25% of aviation accidents.

    Four of every five Controlled Flight Into Terrain (CFIT) occurs in very cold weather. Says something about the validity of altimeter settings in cold conditions.