ADME 2.2 LAND AND HOLD SHORT OPERATIONS (LAHSO)

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ADME 2.2 LAND AND HOLD SHORT OPERATIONS (LAHSO)

At the 2005 IFATCA Conference in Melbourne, Germany expressed concern with regard to the safe operation of Land and Hold Short Operations (LAHSO) and requested that the Technical and Operations Committee (TOC) study LAHSO. TOC has concluded that much of the criticism levelled at LAHSO are questions about airborne separation between flights operating simultaneously on multiple runways and need to be considered separately. This paper focuses solely on separation at the intersection of intersecting runways. It also proposes IFATCA definitions for various terms that are used to discuss operations on converging runways, and defines controller and pilot obligations and workload while conducting LAHSO.


IFATCA Policy is:

IFATCA opposes LAHSO unless the following concerns have been satisfactorily addressed:

  • The lack of exact requirements for what are acceptable airport and runway configurations;
  • The “hold short point” is not always easily identifiable to the pilots.
  • An aircraft going around after touch-down, during the rollout, or even after “floating” along the runway without the pilot managing to get it down for whatever reason could result in passing “through” rather than above the intersection.
  • Increase in controller workload as a result of controllers having to pass LAHSO-specific information to the pilot;
  • Controllers continually having to adjust between LAHSO and non-LAHSO operations, based on pilots’ and airline ability to participate in LAHSO operations; and
  • Operational difficulties associated with LAHSO capable aircraft renouncing the status at a late stage.

See: WP 86 – Istanbul 2007

 

Last Update: July 17, 2020  

November 3, 2019   61   Jean-Francois Lepage    ADME    

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