Bombardier Q400 narrow runway supplement

[Parhy01]

Hi all, appreciate if someone could advise me on what exactly is a narrow runway supplement for Q400 aircraft type and how much would it cost (indicative pricing) to add it to the aircraft.


I understand B737 may already have it on delivery but bombardier have it as an chargeable option for operator?

[DASHER 8]

Without the narrow runway supplement you are restricted to a standard minimum 30m wide runway. The narrow runway supplement allows operations on an 18m wide runway. The main issues relate to control-ability in an engine out situation Vmcg as well as crosswind limits.
The first customer to use the supplement was SA Express Airways in South Africa to operate at FARB with a 21m wide runway. You will have to contact Bombardier regarding the cost.