What is the lowest RVR for CAT III operations when the DH is between 50 and 99 feet?

The lowest RVR to be used for CAT III operations with a DH between 50 and 99 feet is 175 m, and a roll-out control/guidance system is not required.

For a DH of 0-49 feet or no DH, what RVR minima apply for fail-passive and fail-operational roll-out control systems?

For a DH of 0-49 feet or no DH, the RVR minima are 125 m for a fail-passive roll-out control system and 75 m for a fail-operational system.

What is the minimum RVR for CAT III operations with no DH and a fail-operational roll-out control system?

The minimum RVR for CAT III operations with no DH and a fail-operational roll-out control system is 75 m.

What are the two criteria that the DH must not be lower than for CAT III operations?

The DH must not be lower than the minimum DH specified in the AFM, if stated, and the DH to which the flight crew is qualified to operate.

Is a roll-out control/guidance system required for CAT III operations with a DH of 50-99 feet?

No, a roll-out control/guidance system is not required for CAT III operations with a DH of 50-99 feet.

What is the RVR for CAT III operations with a DH of 0-49 feet and a fail-passive roll-out control system?

The RVR for CAT III operations with a DH of 0-49 feet and a fail-passive roll-out control system is 125 m.

What is the lowest RVR that can be used for a fail-passive or HUD roll-out control system if stated in the AFM?

The lowest RVR that can be used for a fail-passive or HUD roll-out control system, if stated in the AFM, is 75 m.

What must the operator implement to use a lower RVR for a fail-passive or HUD roll-out control system?

The operator must have implemented the appropriate operating procedures and training.

What is the RVR for CAT III operations with a DH of 50-99 feet?

The RVR for CAT III operations with a DH of 50-99 feet is 175 m.

What is the RVR for CAT III operations with no DH and a fail-passive roll-out control system?

The RVR for CAT III operations with no DH and a fail-passive roll-out control system is 125 m.

What is the RVR for CAT III operations with a DH of 0-49 feet and a fail-operational roll-out control system?

The RVR for CAT III operations with a DH of 0-49 feet and a fail-operational roll-out control system is 75 m.

What is the RVR for CAT III operations with a DH of 0-49 feet and no roll-out control system?

The table does not specify an RVR for a DH of 0-49 feet with no roll-out control system; it only lists RVR values for fail-passive and fail-operational systems.

What is the RVR for CAT III operations with a DH of 50-99 feet and a fail-passive roll-out control system?

The table does not specify an RVR for a DH of 50-99 feet with a fail-passive roll-out control system; it only lists an RVR of 175 m with no roll-out control system required.

What is the RVR for CAT III operations with a DH of 50-99 feet and a fail-operational roll-out control system?

The table does not specify an RVR for a DH of 50-99 feet with a fail-operational roll-out control system; it only lists an RVR of 175 m with no roll-out control system required.

What is the RVR for CAT III operations with a DH of 0-49 feet and a HUD roll-out control system?

The table does not specify an RVR for a DH of 0-49 feet with a HUD roll-out control system; it only lists RVR values for fail-passive and fail-operational systems.

AMC2 SPA.LVO.100(b) Low-visibility operations and operations with operational credits

Q: What is the minimum DH for CAT III operations when a DH is used, and how should it be determined?

For CAT III operations with a DH, the DH should be determined by the use of a radio altimeter or other device capable of providing equivalent performance and be not lower than the minimum DH specified in the AFM, if stated, and the DH to which the flight crew is qualified to operate.

Q: Under what conditions can CAT III operations be conducted with no DH?

Operations with no DH should only be conducted if operation with no DH is specified in the AFM, there is no published information indicating that the approach aid or aerodrome facilities cannot support operations with no DH, and the flight crew is qualified to operate with no DH.

Q: Can a lower RVR than 125 m be used for a fail-passive roll-out control system in CAT III operations, and under what conditions?

Yes, for a fail-passive or HUD roll-out control system, a lower RVR value (no lower than 75 m) can be used if stated in the AFM, provided that the equipment demonstrated such capability as part of the certification process and the operator has implemented the appropriate operating procedures and training.

Q: What device should be used to determine the DH for CAT III operations?

The DH should be determined by the use of a radio altimeter or other device capable of providing equivalent performance.

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AMC2 SPA.LVO.100(b) Low-visibility operations and operations with operational credits

ED Decision 2022/012/R

INSTRUMENT APPROACH OPERATIONS IN LOW-VISIBILITY CONDITIONS — CAT III OPERATIONS

For CAT III operations, the following should apply:

(a) For operations in which a DH is used, the DH should be determined by the use of a radio altimeter or other device capable of providing equivalent performance and be not lower than:

(1) the minimum DH specified in the AFM, if stated;

(2) the DH to which the flight crew is qualified to operate.

(b) Operations with no DH should only be conducted if:

(1) operation with no DH is specified in the AFM;

(2) there is no published information indicating that the approach aid or aerodrome facilities cannot support operations with no DH; and

(3) the flight crew is qualified to operate with no DH.

Table 5

CAT III operations minima: RVR (m) versus DH (ft)

DH (ft)	Roll-out control/guidance system	RVR (m)*
50-99	Not required	175
0-49 or no DH	Fail-passive	125
0-49 or no DH	Fail-operational	75

* Note: For a fail-passive or HUD roll-out control system, a lower RVR value (no lower than 75 m) can be used if stated in the AFM provided that the equipment demonstrated such capability as part of the certification process. This is provided that the operator has implemented the appropriate operating procedures and training.

Details

Source-Title: AMC2 SPA.LVO.100(b) Low-visibility operations and operations with operational credits View latest amendments

Erulesid: ERULES-1963177438-13117 Compare versions

Domain: Air operations

Applicabilitydate: 30 October, 2022

Entryintoforcedate: 1 July, 2022

Regulatorysource: ED Decision 2022/012/R Navigate

Regulatorysubject: Part-SPA

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Parentir: SPA.LVO.100 Low-visibility operations and operations with operational credits

Origin: EASA

Category: EAR