135.223 Landing distance - dry runway

• (a) A holder of an air operator certificate must ensure that, for each aeroplane the certificate holder operates, the landing weight for the estimated time of landing does not exceed the landing weight specified in the aeroplane flight manual.
• (b) A holder of an air operator certificate must ensure that, for each aeroplane the certificate holder operates, the landing weight of the aeroplane for the estimated time of landing at the destination aerodrome and at any alternate aerodrome allows a full-stop landing from 50 feet above the threshold within 85% of landing distance available.
• (c) When calculating the landing weight in accordance with paragraph (b), the certificate holder must take account of--
  • (1) aerodrome elevation; and
  • (2) ambient temperature at the aerodrome; and
  • (3) the type of runway surface and the runway surface condition; and
  • (4) the runway slope in the direction of landing; and
  • (5) not more than 50% of the reported headwind component or not less than 150% of the reported tailwind component.
• (d) For dispatch of an aeroplane to land in accordance with paragraphs (b) and (c), the certificate holder must assume that the aeroplane lands on the most favourable runway taking into account--
  • (1) the forecast meteorological conditions; and
  • (2) surrounding terrain; and
  • (3) approach and landing aids; and
  • (4) obstacles within the missed approach flight path.
• (e) If the holder of an air operator certificate is unable to comply with paragraph (d) for the destination aerodrome, the aeroplane may be dispatched if an alternate aerodrome is designated that permits compliance with paragraphs (a), (b), and (c).