Control criteria (cases) - answer✔✔case I: 3000' / 5nm
case II: when it is anticipated that flights may encounter imc during daytime departure or
recovery, no lower than 1000' /5nm
case III: anticipated that flights will encounter inst conditions during a dept or recovery bc the
weather is less than 1000' / 5nm or night time (1/2 hour after sunset and 1/2 hour before sunrise)
degrees of control - answer✔✔1. positive:
-<1000' fixed or <500' helo
-vis < 5miles fixed or 1 mile or less helo
-night
-mando letdown in thunderstorms
-other situations where anticipated weather phenomenon might cause diff
2. advisory:
-traffic density reqs a higher deg of control for safety than just vfr. vmc, traffic sep is
responsibility of pilot with assistance
3. monitor: vmc outside controlled airspace. sep is safely assumed by pilot
4. nonradar control:
-ship radar inop or deg during times that normally call for positive control. decision to attempt to
control ac at night or imc must be carefully considered
-warn: ships tacan req
separation - answer✔✔lateral:
-radar rotates >7rpm
->50miles - 5 miles
-<50miles - 3 miles
-on appr, or downwind inside 12, 2
-final within 5, 1.5 miles
-other radars - 5 miles
-nonradar, using appr, 2 mins or 5 mile
vertical:
-jet and turboprop: 1000' (800 inside 12)
- above FL290 - 2000'
-helos 500'
comm control - answer✔✔CATCC:
pri: ship-shore atc admin freqs, catcc freqs
sec: guard, L/L, air tactical freqs
CDC:
pri: air tac freqs, guard
sec: ship shore atc admin
PriFly:
pri: L/L
sec: guard, dept control/ final appr
alert readiness conditions - answer✔✔alert 5: condition I
-the aircraft shall be spotted for immediate launch
alert 15: condition II
-same as cond I except flight crews shall stand by in ready room (alert sar may be folded if pri
sar is airborn)
alert 30: condition III
- main rotor blades may be folded and the aircraft need not be in position for immediate launch
alert 60 condition IV
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