Chapter 6. Nonradar
Section 1. General
Use mileage-based (DME and/or ATD) procedures and minima only when direct pilot/controller communications are maintained.
6-1-2. NONRECEIPT OF POSITION REPORT
When a position report affecting separation is not received, take action to obtain the report no later than 5 minutes after the aircraft was estimated over the fix.
6-1-3. DUPLICATE POSITION REPORTS
Do not require an aircraft to make the same position report to more than one facility.
6-1-4. ADJACENT AIRPORT OPERATION
The ATC facility providing service to heavy
jets/B757s and having control jurisdiction at adjacent
airports must separate arriving or departing IFR
aircraft on a course that will cross behind the flight
path of a heavy jet/B757 - 2 minutes.
WAKE TURBULENCE APPLICATION
Separate IFR aircraft landing behind an arriving heavy jet/B757 by 2 minutes when arriving:
a. The same runway (use 3 minutes for a small aircraft behind a heavy jet/B757).
b. A parallel runway separated by less than 2,500 feet.
c. A crossing runway if projected flight paths will cross. (See FIG 6-1-3.)