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Types of Climbs

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OPECJet

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Nov 7, 2003
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2,312
Getting ready for an interview, and can't find what the types of climbs are. We only use a type 2 climb at my current job, so the company manuals are worthless here, and a search hasn't given much info.

Thanks in advance for the help!
 
That's a possibility, but I'm thinking more along the lines of type 1 / 2, etc.

Thanks though.
 
Interviewing at NetJets.
 
Getting ready for an interview, and can't find what the types of climbs are. We only use a type 2 climb at my current job, so the company manuals are worthless here, and a search hasn't given much info.

Thanks in advance for the help!


Heyas,

Are they talking about noise abatement climbs for jets?

There is a distant and a close in. Distant is where you clean up, then climb at "quiet EPR", and close in is where you climb at max with the flaps down, then clean up at 3,000 or so (could be different or called something else at other outfits).

Most of this had to do with older, noisier aircraft, and most of the modern stage III jets I've seen only fly one profile unless there are terrain obstruction issues.

Nu
 
We have 3 where I work. ICAO A, B and normal. Normal is beginning the clean up at 800' AGL

ICAO A = close in noise

ICAO B= distant noise
 
Well, with the answers I've gotten, I'm not really sure what they're looking for. I'll keep on it.

Thanks for the replies!
 
NetJets certainly does fly into a lot of noise sensitive areas but most of those places have specific noise abatement climb procedures. Canada on the other hand simply has an A and a B climb profile.

Procedure A
(a) Takeoff to 1 500 feet AAE:
(i) takeoff power,
(ii) takeoff flap, and
(iii) climb at V2 + 10 to 20 KT (or as limited by body angle).
(b) At 1 500 feet AAE:
(i) reduce thrust to not less than climb power.
(c) From 1 500 to 3 000 feet AAE:
(i) climb at V2 + 10 to 20KT.
(d) At 3 000 feet AAE:
(i) accelerate smoothly to enroute climb speed with flap retraction on schedule.
RAC7_6_3A_EN.gif

Procedure B
(a) Takeoff to 1 000 feet AAE:
(i) takeoff power
(ii) takeoff flap, and
(iii) climb at V2 + 10 to 20 KT.
(b) At 1 000 feet AAE:
(i) maintaining a positive rate of climb, accelerate to zero flap minimum safe manœuvring speed (VZF) retracting flap on schedule, then
(ii) reduce thrust consistent with the following:
(A) for high by-pass ratio engines, reduce to normal climb power;
(B) for low by-pass ratio engines, reduce power if practicable to below normal climb power but not less than that necessary to maintain the final takeoff engine-out climb gradient; and
(C) for aeroplanes with slow flap retracting, reduce power at an intermediate flap setting.
(c) From 1 000 feet AAE to 3 000 feet AAE:
(i) continue climb at not greater than VZF + 20 KT.
(d) At 3 000 feet AAE:
(i) accelerate smoothly to en route climb speed using normal climb power.
NOTE: Aeroplanes such as supersonic aeroplanes not using wing flaps for takeoff should reduce thrust before attaining 1 000 feet AAE but not lower than 500 feet AAE.
RAC7_6_3B_EN.gif


This is probably not what your looking for but I hope it helps anyway. Not really sure what NetJets could ask about climb profiles.
 
There are 2 types of climbs, ICAO calls them NADP-1, or NADP2, more recently changed to NAD1, NAD2.
The first is the same as the U.S. close in climb, and the 2nd the same as distant climb.
On the first you climb at T/O thrust and at V2+10(aircraft specific, i.e on B747 it was V2+10, on the B767 it's V2+15) or limited by body angle to 1000 AFE, or in some cases 1500 AFE, then climb thrust and continue the climb at v2+10(aircraft specific, i.e. on B747 it was v2+10, on B767 it's V2+15) or limited by body angle to 3000 AFE, then accelerate and clean up on schedule.
2nd one requires a climb at T/O thrust and V2+10(see above on speed) or limit by body angle to 1000 AFE, or in some cases 1500 AFE, then climb thrust, start to accelerate and clean up on schedule.

Xtwapilot
 
Last edited:
We have 3 where I work. ICAO A, B and normal. Normal is beginning the clean up at 800' AGL

ICAO A = close in noise

ICAO B= distant noise

I work at the same place.
 
Getting ready for an interview, and can't find what the types of climbs are. We only use a type 2 climb at my current job, so the company manuals are worthless here, and a search hasn't given much info.

Thanks in advance for the help!

I have worked at Netjets for two years now and have not once come across different types of climbs! We deal ad nauseum with climb segments and the aircraft's ability to meet specific climb gradient requirements. Are you sure that isn't what you are looking for? I do know that subject has come up in interviews before. Best of luck to you.
 
Looking at the Fracs forum and doing that type of flying myself I agree that the information NJA will be looking for is knowledge of 1st, 2nd and final segment definitions and climb gradients. I apologize about my Canadien climb profile info.
 
Look for AC 91-53A for some additional information on noise abatement departure profiles (NADP)for large turbojet aircraft. It isn't exactly for smaller jets, but the concepts are about the same and you'll look good if you can mention the AC.
 
I think it will be more climb segment and gradient questions. Got a lot of good info on the frac forum.

Thanks for taking the time to help out. Greatly appreciated!
 
rock climb subdivided in sport climb ,trad and bouldering

ice climb

mountaineering or alpine climb

seriously who cares. don't study, have beer , your achivements ,choices and results are half chances.
 
Married life's been good so far.

I wouldn't mind it at all if they had a 40A or two laying around. I sure do miss flying it!
 

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