OMA Flashcards
(128 cards)
When shall aircraft be flown below MFAs?
Never. Apart from takeoff and landing.
What does MFAs stand for?
Minimum Flight Altitudes
What does MSA stand for
Minimum Sector Alititude
How big is the MSA area and what clearance does it provide?
25nm and obstacle clearance of 1000ft
What clearance does MORA provide?
1000ft clearance up to 5000ft
2000ft clearance above 5000ft
Within 20nm of segment centreline
When are temperature corrections performed?
Below -10 degrees. Unless otherwise specified
What is the standard pressure correction?
30ft per mb
What are the Rescue and Fire Fighting Services required (RFFS)
A320/319: 6
A321: 7
When can RFFS be downgraded to 5?
For Departure or Destination which have low volumes of traffic.
When can you go 2 categories below RFFS?
Tempo downgrade not exceeding 72 hours. Must be notified by NOTAM/ATC/ATIS
When can be downgraded to RFFS 4?
Takeoff Alternate, Destination Alternate and Enroute Alternate for NON UK AERODROMES.
When is an aerodrome suitable?
When it is adequate for the operation. When the met conditions satisfy the planning minima and meet the approach runway and aircraft capabilities.
Maximum distance from Adequate Aerodrome for two engine aeroplanes without ETOPS?
60 mins at 1 engine inop cruise speed.
A319: 380nm
A320/321: 400nn
Takeoff alternate distance
320nm for all types
How long are weather reports considered?
1hr before and 1hr after ETA
Can conversion of met visibility to RVR be done at the planning stage?
No
When is a takeoff alternate required?
When performance or met condition preclude a return
When are 2 alternates required?
When the forecast is below the planning minima.
When no met info available
What is a Category A aerodrome?
Not complex and routine
What is a Category B aerodrome?
Requires specific briefing
What is a Category B Restricted Aerodrome?
Complexity and threat levels that have specific restrictions but do not require aerodrome visit
What is a Category C aerodrome?
Special Crew qualification required
What are Easyjet aeroplanes categorised as?
Cat C (Vat 121 to 140kts)
What are the requirements for a visual approach?
2500ft cloud ceiling
5000m viz