AMC1 SPA.LVO.100(a) Low-visibility operations and operations with operational credits

CAA ORS9 Decision No. 47

Text in magenta in force from 30 October 2025

LOW-VISIBILITY TAKE-OFF (LVTO) OPERATIONS — AEROPLANES IN AN RVR OF LESS THAN 400 M

  1. Required RVR

    1. For multi-engined aeroplanes which, in the event of a critical engine failure at any point during take-off, can either stop or continue the take-off to a height of 1 500 ft above the aerodrome while clearing obstacles by the required margins, the criteria in Table 1 should apply:

    Table 1

    LVTO operations with aeroplanes — RVR versus facilities

    2. Minimum RVR

    Facilities

    300 m (day)

    Centre line markings; and

    Runway edge lights.

    300 m (night)

    Centre line markings; and

    Runway edge lights; and

    Runway end lights or centre line lights.

    150 m

    Centre line markings; and

    Runway end lights; and

    Runway edge lights; and

    Runway centre line lights.

    125 m

    Centre line markings; and

    Runway end lights; and

    Runway edge lights (spaced 60m or less); and

    Runway centre line lights (spaced 15 m or less).

(2) For multi-engined aeroplanes not complying with the conditions in (a)(1), there may be a need to land immediately and to see and avoid obstacles. Such aeroplanes may be operated to the take-off minima shown in Table 2 and the marking and lighting criteria shown in Table 1, provided that they are able to comply with the applicable obstacle clearance criteria, assuming engine failure at the height specified:

Table 2

LVTO operations with aeroplanes — assumed engine failure height versus RVR

Assumed engine failure height above the take-off runway (ft) versus RVR (m)

Less than 50

Not less than 200

More than 50 but less than 100

Not less than 300

  1. The reported RVR value representative of the initial part of the take-off run can be replaced by pilot assessment.

  2. The minimum RVR value specified in Table 1 or 2 should be achieved for all reporting points representative of the parts of the runway from the point at which the aircraft commences the take-off until the end of the calculated accelerate-stop distance.

LVTO OPERATIONS — AEROPLANES IN AN RVR OF LESS THAN 125M

  1. For LVTO operations with an RVR of less than 125 m, the following additional elements should apply:

    1. the runway has centre line lights spaced at intervals of 15 m or less;

    2. if an ILS signal is used for lateral guidance, the ILS localiser signal meets the requirements for category III operations, unless otherwise stated in the AFM;

    3. if an ILS signal is to be used, low-visibility procedures (LVPs) include protection of the runway and, where an ILS localiser signal is used, it should include protection of the ILS-sensitive area unless otherwise stated in the AFM; and

    4. if a GLS signal is used for lateral guidance, the GLS performance type meets the requirements for category III operations (GAST D and to GBAS point to which guidance is required), unless otherwise stated in the AFM.

  2. For LVTO operations with an RVR of less than 125 m, the reported RVR should be not less than the minimum specified in the AFM or, if no such minimum is specified, not less than 75 m.

  3. The minimum required RVR should be achieved for all reporting points representative of the parts of the runway from the point at which the aircraft commences the take-off until the greater of the calculated take-off distance or accelerate-stop distance from that point.

  4. The reported RVR value representative of the initial part of the take-off run can be replaced by pilot assessment.