Cat 1

Question 1

Why do we need specific training for Cat 1?

Answer 1

MLIT has decided in a circular that pilots and companies engaged in Air Transport operations must conduct training for Cat 1 operations.

Other operators may use state minima.

Question 2

What is Cat 1?

Answer 2

DH at or above 200 ft

RVR/CMV at or above 550 m

Question 3

What is RVR ?

Answer 3

Range a pilot on the center line of a runway can see the runway surface markings or lights .

Measured with a forward-scatter meter

Question 4

What is Converted Meteorological Visibility (CMV) ?

Answer 4

Derived from reported meteorological VISIBILITY.

Applied only when RVR is not available.

Question 5

What ground facilities are required for Cat 1 operations?

Answer 5

1. Localizer
2. Glideslope
3. Outer Marker (unless not required)
4. Middle Marker or DME
5. PALS

Question 6

What are the twp types of Approach Lighting Systems used for Cat 1?

Answer 6

1. ALSF 1 / ALSF 2
2. Calvert

Question 7

What is the minimum and maximum RVR that can be measured using regular equipment?

Answer 7

Minimum 200 meters (reported as M200)

Maximum 1800 meters (reported as P1800)

Question 8

What equipment must be on board and serviceable to conduct CAT1 ?

Answer 8

1. ILS receiver x 1
2. Suitable displays for both pilots (2 PFDs)
3. Suitable failure annunciators for each pilot (GS/LOC Flags + ECAM for Receiver fail)
4. Marker Beacon ( not required in Japan)
5. DME x 1
6. ADF x 1 (not required in Japan)
7. Flight Director or Autopilot

Question 9

For CAT 1 ops without FD / AP what is the minima ?

Answer 9

RVR / CMV at or above 1000 m

DA - no change

Question 10

If both RAD ALTs have failed can you do CAT 1 approach?

Answer 10

No because no FD or AP in Direct Law.

Minimum 1000 m RVR

Question 11

What is the Auto pilot limitation for ILS approach?

Answer 11

160 ft AGL

Question 12

On the A320 how is the ILS identified?

Answer 12

By the IDENT and Frequency displayed on the bottom left of the PFD.

Question 13

What are the four categories of lighting facilities ?

Answer 13

1. Full Facility - RCLM, 720m or more ALS, REDL, and RTHL.
2. Intermediate Facility - RCLM, 420 - 719 m ALS, REDL, RTHL
3. Basic Facility - RCLM, ALS less than 420 m with cross bar, REDL, RTHL
4. NIL - basic facility not met

Question 14

What methods of rain removal are available

Answer 14

1. Windshield wipers (Max 230 KIAS)
2. Rain Repellant

Question 15

In case of ILS 2 receiver failure?

Answer 15

1. LOC and GS flags appear on PFD 2
2. Select Mode Select to ROSE MODE
3. ILS 1 info will be available on ND2 (crossover arrangement)

Question 16

What are the company minima for qualified CAT 1 Captains

Answer 16

Question 17

What are the ILS minima for Other than CAT 1 Captains

Answer 17

DH 250 - RVR 1200 m

Question 18

When may CMV be used?

(3)

Answer 18

1. When RVR is not available
2. Destination only - not at Alternate
3. Not to be used at flight planning stage

Question 19

When does the Approach Ban commence?

Answer 19

From commencement of the instrument approach.

(After FAF for ILS)

Question 20

If RVR / CMV is expected to become below 1000 m what adjust must be made to the required landing distance?

Answer 20

Required Landing Distance must be at least 1.15 x Landing Field Length

Question 21

What conditions must be satisfied to perform a CAT 1 approach?

Answer 21

1. When RVR/CMV is expected to be below 1000m RLD must be increased to at least 1.15 x Field Length
2. RA should not be used in place of baro altimeter
3. PIC must be qualified CAT 1 capt and FO must have received training
4. When RVR / CMV is below 1200m max cross wind is 15 kt

Question 22

What is the max crosswind limit when RVR/CMV is below 1200m?

Answer 22

15 kts

Question 23

What are the factors for deriving CMV?

Answer 23