Speed Limitations

Question 1

Vmo/Mmo

Answer 1

320kts/M0.77

Question 2

Vra (rough air speed)

Answer 2

250kts / M0.65

Question 3

Vfe 8 / 15 / 25 / 42

Answer 3

8 250kts/ M0.50
15 & 25 220kts / M0.45
42 180kts / M0.35

Question 4

Vlo / Vle

Answer 4

200kts

Question 5

Max lift dumper extend speed

Answer 5

170kts

Question 6

Max demonstrated speed for side window operation

Answer 6

160kts

Question 7

What does green dot represent?

Answer 7

Green dot = VFTO
AKA minimum clean config speed
AKA Final take off velocity
It is the speed that should be targeted in an engine out acceleration prior to beginning an engine out climb.

It is also used as a lower limit for strategic speed targets and various other computations and limits including:
- Maximum Angle climb speed
- Engine-Out climb speed
- Engine-Out descent speed
- Engine-Out Maximum Endurance spee
- Driftdown speed
- Approach speed reference