Questions Flashcards
What is the deviation for the Vmcg recovery?
30 feet laterally from centreline
What is the relationship between VR and V1, VCMA, VCMG
VR must not be less than V1, 1.05Vmca, Vmcg.
What is the relationship between V1 and Vmbe and Vr?
V1 must not exceed Vmbe and Vr.
Lower and upper limit for V1?
Vmcg and Vmbe or Vr.
Relationship between V2 and Vslg?
V2 equal or greater than 1.13 Vslg.
Which forces relate to Vmcg?
Aerodynamic forces only (Thrust)
What is RTOW dependent on?
Runway length, slope, obstacles, one engine inop accountability, Vmbe.
What is a clearway?
Obstacle free area beyond runway, under control of airport used for TODA.
TODA =
TORA + CLEARWAY
What are the considerations for ASD dry calculation?
No reverse thrust.
What are the considerations for ASD wet calculation?
Credits for reverse thrust, manual braking, full spoilers.
Advantages of a Lower V1?
Increased safety margin for Vmbe and stopping margin for RTO.
What does tyre speed limit relate to?
Vr
Advantages of higher V1?
Less takeoff distance for continued take off and better vertical distance.
Climb gradient used =
Gross gradient
Obstacle clearance =
Net gradient
What do you do if RTOW is climb limited?
Smaller flap setting, improved climb technique, use packs off.
A larger flap setting will result in?
Better field length limit weight, smaller climb limit weight, lower V1.
What is improved climb?
Increase V2 which improves second segment climb.
What does an increase in V1, VR and V2 result in?
Increase in field length required, tire speed and brake energy limits become limiting at higher speeds.
Relationship between Improved Climb Limited Weight and Field Length Limited Weight?
With improved climb field length limited weight will decrease.
Definition of runway contamination?
Accumulated compact snow or ice and 25% of the runways surface is covered by slush or dry snow = or greater than 3mm of water.
When is thrust derate permitted?
Contaminated runway, anti-skid inop.
What are the obstacle clearances for TO, ENROUTE and AERODROME?
35ft, 2000ft, 1500ft.