ILS CAT II Ops Flashcards
What are the range and increments of a RVR?
6000 to 3000 : 500ft increments
3000 to 1200 : 200ft increments
1200 to 300 : 100ft increments
What is the name of the tool used to measure RVR?
Transmissometer
What are the main requirements to conduct a CAT II approach?
- Airport has to be certified
- Operator has to be approved on AOC (special authorization)
Ops spec relies on both aircraft and flight crew certification
What is looked after for an airport to be CAT II certified?
- Runway markings
- Runway and approach lighting
- Obstacle clearance requirements
What RWY lights are required in CAT II ops?
- Runway edge lights (high intensity)
- Runway threshold lights
- Runway centerline lights
- Approach lights (high intensity)
- TDZ lights
Which RWY lights has to be high intensity for CAT II ops?
- RWY edge lights
- Approach lights
What is the max inoperative lighting allowance for CAT II?
5% (generally)
What are the main reasons for separate ILS CAT II hold short lines?
- For the aircraft waiting on ground not to interfere with ILS signals
- To comply with obstacle clearance requirements in the vicinity of threshold
What is the main requirement for ILS CAT II approach on the E175?
Conducting a PMA
If the aircraft is temporarily downgraded to CAT I approaches only (for example due to an unserviceable item), how does the crew know it?
- Green CAT II approach sticker removed
- Red NO CATEGORY II placard
- Mention of CAT I only in the OFP (MEL section)
What equipment is required for the E175 to conduct CAT II approaches?
List is in the QRH
Items are also indicated with a black X in the MEL
Where can the downgrade procedure be found if a required equipment becomes unserviceable?
In the preamble of the MEL
What are the crew requirements for conducting an ILS CAT II approach on the E175?
- Specific training for both
- Captain has an assessment on PPC
- Captain must have 300h PIC on turbojet and 100h PIC on type
What RWY length requirement must be met to conduct a CAT II approach?
15% more than the normal dispatch factored distance
