# Questions tagged [climb]

Questions about phases of flight where an aircraft gains altitude.

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### Rate of climb equations for jet + propeller aircraft [duplicate]

For an aircraft with both jet and propeller, how do we calculate the maximum rate of climb? I know the equation of maximum rate of climb, velocity, and angle for propeller and jet, respectively. But I ...
64 views

### Maximum climb angle [duplicate]

I've got this graph of vertical climb rate vs airspeed, and ive been asked to find the maximum climb angle from the graph, but I'm not really sure what part of the curve shows this. I can do the math ...
166 views

### How can I find the maximum climb angle of a propeller driven aircraft from a graph of vertical velocity against airspeed?

I've been asked to find the maximum climb angle of a propeller driven aircraft from the graph of vertical velocity against airspeed: How can I do that?
131 views

### How much altitude can a glider gain only from losing speed?

Say we have a glider flying near its top speed. If pilot decides to "trade speed for altitude" how much can it climb before hitting stall speed? Assuming pilot will use most effective climb ...
129 views

### Is there a common route that Seattle GA pilots use to circle Mt Rainier while avoiding class B airspace?

I'd like to fly around Mount Rainier in a C172 out of Renton (KRNT). What route do people usually take? I wonder if I can climb quickly enough once out of Seattle class B airspace for terrain around ...
101 views

### What profile will a Boeing 737 NG follow after pushing the ALT INTV button?

If one uses the ALT INTV button during a Climb or Descent in the Boeing 737 NG on the MCP, what profile (Speed/Path) will the AP follow in such a climb and/or descent? Is it the same as programmed in ...
252 views

### Why do flaps retract?

Why do flaps retract? I know, it might seem obvious at first, because of drag, but instead of retracting the flaps, can't they just make the flaps flexible enough to get into a reduced drag position, ...
16k views

### Why did my flight climb so sharply on takeoff?

I was on a Ryanair flight this morning that seemed to perform an incredibly aggressive takeoff from London Stansted on a 737-8. Takeoff was fairly fast, but the climb was the steepest I ever ...
38 views

### What is the definition of climb gradient? [duplicate]

I have a hard time understanding this topic. I understand itās the percentage of rising over horizontal distance. Is that correct?
331 views

### How long is a climb leg in a step-climb cruise flight segment allowed to take, according to regulations (FAA/EASA)?

I am working on a trajectory optimisation program for commercial, large aircraft, in which I want to incorporate realistic air traffic control regulations. One of the constraints I want to incorporate ...
786 views

### How do I calculate top of climb?

How can I calculate the distance on the ground during the climb? Assuming the climb power is 700ft/min, the climb speed is 65 kts, the wind 260/10kts on runway 26. Start: 700ft Top of climb: 3500ft ...
171 views

### Is the Common Route, either of a SID or a STAR, related to the Runway Transition (climb phase) or the Enroute Transition (enroute phase)?

Based on this question ("What are the 'parts' of a SID procedure?"), I would like to ask for clarification concerning the role of the Common Route in a SID. As far as I have understood, the most ...
131 views

### Commercial aircraft minimum and maximum climb angle and rate?

Is it possible for a commercial pilot to set a minimal rate of climb - for example, 350' NM climb rate, target heading of 200 degrees and target altitude of 2000 feet above MSL - before getting radar ...
52 views

### How do designers determine the altitude profiles of neighboring procedures for deconfliction purposes?

I am interested in studying ICAO's Continuous Climb Operations design strategy, however I have some trouble understanding how the procedure designers take into consideration the traffic flow from ...
4k views

### How long did the SR-71 take to get to cruising altitude?

How long did it take for the SR-71 to go from taking off to 80,000 ft, including refueling?
115 views

### Climb Performance [closed]

You are in an airplane climbing at 750 ft/min. If your ground speed is 90 MPH, by how much will you clear the mountain in front of you that is 10 miles away and 5000 feet above your altitude?
311 views

### What are the best places to gain the most altitude in a glider?

I'm a beginner pilot and I started with gliding. How to spot the best thermals and what is the most efficient way to climb?
687 views

### Why does the turn coordinator ball move to the right during a climb?

In a light aircraft like a C172 or PA-28, during a climb the ball in the turn coordinator moves to the right. Why?
507 views

### Why does climb gradient at Changi be at minimum of 6 and 7 percent?

Changi airport, Singapore, runway 20C and 20R both point into the sea with no significant obstacle to clear. There is no residential area down there. Next land mass is about 15 km away (Batam, ...
1k views

### How do I determine the engine thrust required to give a specific climb rate?

New pilot here and I am playing around with a flight simulator game for the B737-800. I need some help understanding where/how one can find out if one has enough engine thrust (%N1) to meet a required ...
213 views

### Does the “Climbing right turn” instruction of this SID violate the “Climb to 400 feet above DER before turning” requirement?

I was examining the LaGuardia Five SID, and I noticed that for runway 13 (Coney Climb) it gives the instruction, immediately after takeoff, "Climbing right turn heading 180 degrees to intercept CRI R-...
1k views

### Boeing 757-200 Fuel Burn

So up front, I'm aware of the high number of aircraft and environmental factors and how oversimplified my request is. After all, there is a reason that the aircraft manufacturers provide charts to ...
350 views

### What would the altitude profile for a typical airline flight look like?

It's hard to appreciate an aircraft's rates of change in altitude, in particular with respect to its travel through the mass of air, rather than over the ground, since the latter is affected ...
5k views

### What is the relationship between Angle of Attack and Angle of Incidence?

The Angle of Incidence (AoI) of most GA planes is 6Ā°. Assuming a plane with an Angle of Incidence of 6 degrees-- How do we calculate pitch attitude if we know the direction of the flight path and the ...
2k views

### Is it possible to determine the approximate climb rate of an aircraft knowing its top speed, engine power and weight?

Is it possible to determine the initial climb rate of a craft with a few key pieces of data such as top speed, engine power and weight? For example the XB-42 was an experimental bomber design from ...
163 views

### How does an increase in climb rate affect climb gradient?

I'm learning to take (and pass I hope ;)) my PPL exam and I've just found one question, that I'm not 100% sure about. How is climb gradient going to change (for small angles) while rate of climb ...
4k views

### How should I read these climb and descent profile notations?

I use a tool called SimBrief to build virtual flight plans for a desktop flight simulator. As I've been getting more familiar with procedures, I've also been exploring more advanced settings in the ...
770 views

### What is the difference between climb angle and flight path climb angle? [duplicate]

Consequently, which of these two angles does wind affect? Thank you everyone!
53 views

### At what altitude after takeoff is thrust reduced for airliners? [duplicate]

When is thrust, after take off reduced for jumbos and smaller airliners? Is it any different for jumbos and smaller airliner aircraft?
365 views

### How should these translated takeoff and climb settings be interpreted?

I am having difficulties understanding this transcript. It is originally not in English, so I was wondering if anyone could help me to make sense of this and also help me with the correct wording in ...
2k views

### What is “50 ft obstacle climbing speed”?

Vy and Vx make sense to me. They are used for fastest height gain at a given time and biggest angle of climb. But what is the purpose of that speed (it's from DA20 POH)? It's only 3 kts faster than Vx....
17k views

### Does lift equal weight in a climb?

This subject keeps coming up in the discussions and questions such as this one, which asks if lift equals weight in level flight. Good answers there, pointing out that upwards force has many sources. ...
11k views

### What are the climb rates during the different phases of flight of an A320?

I have read about common climb rates for an A320. It is said that the initial climb rate for an A320 is between 15-20Ā° and it differs depending on the weight and also the altitude. I therefore have ...
10k views

### Is there a formula to calculate ground distance traveled given rate of climb and true airspeed?

I'm looking for a formula to calculate the horizontal distance (guess it is the Ground Distance) passed during the phase of ascent (or descent), having the rate of climb in ft/min and the TAS in knots....
5k views

### How is the airspeed-Mach number transition handled in modern airliners?

During the climb phase, how is the transition from constant speed (IAS) to constant Mach number handled? Does the pilot flying have to manually "push the button" on the control panel, or is the ...
528 views

### Why doesn't the flight path angle increase beyond a certain angle even if the angle of attack is increased?

From level flight, when the angle of attack is increased the flight path angle increases (the aircraft starts to climb). What causes the aircraft to stop to increase its angle of climb (angle between ...
732 views

### Does angle of attack change in a sustained climb?

I saw this question on a closed Facebook group, generating wildly differing answers. So I thought I would ask it here. You're in a C172 flying straight and level at 5000 feet and 100 knots IAS. You ...
890 views

### What is the optimal way to climb fastest between two points on a Cessna 172N?

Cessna 172Nās POH has Vx = 59 Knots. Letās assume you need to climb from 1000 msl on traffic pattern just after you finished turning cross-wind and are clocking 85 Knots, to 2000 as fast as ...
6k views

When studying for my German PPL exam, I came across this question: For those that do not speak German I'll try to translate the question, but bear with me as it is kinda picky what I'm trying to get ...
22k views

### What is the difference between rate of climb and climb gradient?

I am currently trying to study aircraft performance and I have some difficulties distinguishing between rate of climb and climb gradient. Can someone explain what are the differences between the two ...
4k views

### How does the FAA compute the values in TPP's Climb/Descent Table?

The inside back cover of the FAA Terminal Procedures Publication contains a table headed “CLIMB/DESCENT TABLE,” excerpted below. Source: FAA, p. 19 How do required ascent or descent ...
884 views

### Why is it not a good idea to climb higher than a level at which you would have a cruise weight-climb speed less than 500 ft/min?

In relation with What is weight-climb speed?, why is it not a good idea to climb higher than a level at which you would have a cruise weight-climb speed less than 500 ft/min?
1k views

### What could cause an irregular climbing pattern on takeoff?

Yesterday (Dec 21, 2015), I was on board Ryanair flight FR4966 from London Stansted (STN) to Lamezia Terme (SUF). The aircraft was a Boeing 737-800, registration EI-EFW. On takeoff, the climbing ...
3k views

### How to find total climbing time based on Rate of Climb?

I am unsure on how to solve this problem. The only clue i have is to integrate ROC to find time. A jet aircraft has the capacity to fly at an absolute altitude ceiling of 11000 m, and a rate of ...
15k views

### What is the typical climb angle (versus the ground) of a single engine piston plane?

What are the normal climbing angles against ground on a SEP (single engine piston) plane and an airliner? (no wing-air angles in here, but the climb angle when watched from the side of the plane) (...
4k views

### How to maintain straight and level flight after a climb?

I'm new to flying and I have this question. Suppose I'm ascending to 2000 ft. at 67 kts and 2450 RPM. When I reach 2000 ft. maybe the plane wants to keep going up, even after I lower the RPM TO 2200, ...
3k views

### Under what conditions can the maximum angle of climb be achieved for jet and propeller aircraft?

I know that the maximum angle of climb is reached at maximum specific excess thrust (S.E.T.) for jet airplanes, or minimum drag or maximum $\frac{L}{D}$. Is this true, and if yes, is this valid also ...
8k views

### How to perform climbs and descents?

I have known that when you climb, you push the throttle to maximum and adjust the vertical speed with the commands (elevator) and the trim. Then when you reach the desired altitude you pull the ...