Contingency Procedures

Question 1

Weather deviation - revised ATC clearance not obtained

Answer 1

a. Deviate from track
b. Broadcast ATS frequency in use/121.5
c. watch conflicting traffic both visually and by reference TCAS
d. turn on exterior lights
c. less than 10 miles, stay at assigned altitude
d. greater 10 miles: EAST 000-179 - left descent 300, right climb 300
WEST - left climb 300, right descent 300
e. continue try contact ATC to obtain clearance
f. returning to track, and within approx 10 miles, be at assigned flight level

Question 2

Deviation - greater than moderate turbulence

Answer 2

a. watch for traffic and make use of lights
b. broadcast 121.5
c. notify ATC asap
d. execute contingency procedures to leave assigned track or route

Question 3

Aircraft Deviation Other than weather - if unable to obtain revised ATC clearance

Answer 3

Leave assigned route or track by 45 degrees left or right to acquire 15nm offset from same or opposite direction traffic

Question 4

Subsequent action - able or unable to maintain level

Answer 4

once 10nm, climb or descent that differs from level normally used by 500 ft at or below FL410 or 1000 ft above FL 410