questions regarding initial climb

[cmbaviator]

Hi guys

there is something I don't understand, probably because i'm currently more used to the NG :

 

after liftoff, and just above 400fts, i engage LNAV and VNAV but as soon as i engage VNAV, the thrust goes to  reduced take off mode to Reduced climb, should reduced climb mode begin at 1500 fts ?? Also I think that the planes wants to accelerates to 250kts before 3000 fts (need confirmation). in the CDU, it is set at 1500/3000.

 

[Val77]

Hi

If I'm not mistaken, engaging VNAV before flaps up is not a normal operation on classic. Use LVL CHG as usual.

Not CDU like NG : There is only THR REDUCTION in Takeoff REF 2.

There are many Noise Abatement Takeoff Procedure.

PROC A is used in many airport in Europe and ur country : France. 

http://www.b737mrg.net/downloads/b737mrg_noise.pdf

From runway to 1500 feet AGL :
- take-off power
- take-off flaps
- climb at V2 + 10 to 20 knots
(or as limited by body angle)

At 1500 feet AGL :
- reduce to climb thrust
- climb at V2 + 10 to 20 knots
(or as limited by body angle)

At 3000 feet AGL :
- accelerate to Flaps Up speed
- retract flaps/slats on schedule
- accelerate smoothly to en-route climb speed



That's what I use often, as in Nice departure

a+

Edited May 10, 2016 by Val77

[stefans85]

It's 800 AGL not 1500.

[cmbaviator]

18 hours ago, stefans85 said:

It's 800 AGL not 1500.

 

Normal Thrust reduction altitude is 1500 fts AGL unless you have to perform a NDP

[Eddie]

 

Normal Thrust reduction altitude is 1500 fts AGL unless you have to perform a NDP

He was referring to the thrust reduction altitude on an NADP, which is indeed 800' on both NADP1 and 2.

[cmbaviator]

12 hours ago, Eddie said:

He was referring to the thrust reduction altitude on an NADP, which is indeed 800' on both NADP1 and 2.

ah okay, my bad