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Questions tagged [aircraft-limitations]

All aircraft have specified performance limitations that they cannot (or at least should not) exceed, for altitude, speed, weight etc.

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3answers
93 views

How to apply the TO/GA time and EGT limits?

If there is a published 1) EGT limit and a 2) TO/GA time limit, which one should be applied when the EGT is well below the EGT limit and possibly even below the 'max continuous' EGT. Particularly with ...
0
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0answers
96 views

Why is the F-16's service ceiling 50,000ft? [duplicate]

What defines the service ceiling for aircraft, in particular the F-16? I suppose, as with almost everything, this depends on the aircraft, the engine type, etc. While I'm fine with a comprehensive ...
3
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1answer
109 views

What is the critical altitude?

What is the definition of critical altitude and why is important to know in Vmc graph? Also, is there any critical altitude in the Piper PA-44 Seminole?
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1answer
80 views

What is Temperture of VSI and limits of accurate value?

Within a temperature range of +50C and -20C the VSI is Accurate to within limits of : A)+- 200 ft/min B)+- 0 ft/min c)+- 75 ft/min D)+- 300 ft/min
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1answer
304 views

Is extreme wind shear an official classification? Is it rare to land in 65kts headwind, gusting 95kts?

I was a passenger in an A340 during a famous storm 65kts gusting 95kts. Resulted in a go around, but the plane sunk quite fast several times. Is this rare? Are there limits to headwind component? The ...
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1answer
335 views

If all passengers moved to the back, front or one side, would they crash the plane? [duplicate]

all-time classic: Would the load shift of all passengers herding at the back, front or one side make the plane hard or even impossible to keep in the air ? Are there any passenger aircraft where ...
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6answers
450 views

How much can I exceed crosswind limits by? [duplicate]

I'm learning in a Tomahawk. They have a maximum demonstrated crosswind component of 15 knots. My school has a limit of 12 kt, but will only allow students to fly in 50% of that, so 6 kt. Since it's ...
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1answer
114 views

Flying from right seat of Socata TB9 - confused about Pilot manual limitation (US regulations)

I was comfortable flying from the right seat in my Grumman American AA5A and would let non-pilots sit in the left seat to introduce them to flying. I was expecting to do the same in a friend's TB9, ...
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2answers
252 views

Would a refueling stop be cheaper than finding lodging for all the passengers?

This is somewhat late followup question to my original question. Basic story was flight got delayed by almost 24 hours because first, technical reasons, secondly temperatures were very high. As far ...
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6answers
3k views

Is it okay to take off with weight more than the POH max gross weight?

I wonder if I could take off with weight more than the gross weight stated in the POH of my aircraft as long as I take off with a higher speed? I think I have done it once by mistake.
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1answer
229 views

Why have helicopter top speeds not increased much over time?

With advancements in technology why there isn't much increment in helicopter top speeds from what they were in the 1980s? We have newer designs like the Eurocopter X3 which is a hybrid, but the speed ...
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3answers
550 views

What are the consequences of throttling up past 100% of N1?

The B737 is probably my favorite aircraft and I'm always sure to never throttle past 100% of N1. I was told the aircraft is pretty much totaled if you take N1 past 100% but you can eke out that extra ...
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2answers
280 views

Does MMO (limiting Mach number) assume any maneuvering limits?

This answer to a question about emergency descents notes: [Y]ou can accelerate descents by banking the aircraft into a turn. This allows you to increase angle of attack, thus increasing drag to ...
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6answers
12k views

Is it possible to fly a B-24 under Bixby Bridge?

If that sounds like a ludicrous question it's because I believe it is, but here is why I'm asking. My grandfather flew B-24s in WWII and there was something of a local legend that he once flew a ...
3
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1answer
460 views

Why do we have to perform a normal APU shutdown if a fuel spillage occurs?

I was reading in the limitations chapter of the A320 which stated that if a fuel spillage occurs we have to perform a normal APU shutdown what is the reason behind this?
8
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1answer
538 views

Why do the old A320s have a lower tailwind limitation compared to the newer enhanced ones?

In my company on the older A320s particularly the ones which are in the MSN 2000 range their tailwind limitation for takeoff and landing is 10 knots. But our newer enhanced ones have a 15 knots ...
21
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2answers
6k views

What's the purpose of “over G” penalties in Red Bull Air Race?

This post mentions that if a Red Bull Air Race pilot exceeds 10G acceleration limit for longer than 0.6s on their plane then they are unconditionally disqualified with "did not finish" result no ...
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1answer
1k views

Do airplanes have a maximum headwind gust component when landing?

An aircraft POH generally gives a maximum demonstrated crosswind component but I have not seen any indication with regards to maximum gust component. I understand that one is supposed to increase the ...
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2answers
2k views

Why are there different starter limitations for dry cranking and manual start on the A320?

I recently had this point clarified that when we place the mode selector to CRANK on the A320 we can dry crank the engine up to 5 mins. But the moment we place the mode selector to IGN/START then we ...
25
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4answers
4k views

Is the aircraft used by NOAA specially modified?

I have just seen this short video showing "NOAA hurricane hunters" flying through current hurricane "Irma". My guess is that normally an aircraft would not be able/allowed to fly in winds sustained ...
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3answers
2k views

What is the fatigue life of a fuselage based on?

The fatigue life of the fuselage is based on the number of what? Pressurization cycles?
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4answers
10k views

What is the maximum crosswind limit for a C150/2 aircraft?

What is the maximum crosswind limit for a C150 or C152 aircraft? Does this change depending on the class of licence? Are there exceptions for emergencies?
3
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1answer
535 views

How could a PA-28 be made to fly higher?

How would I have to modify the Piper PA-28 to fly at 25,000 feet (same as PA-34 and PA-46)? Could it fly higher? Larger wings, other wingform, bigger motor something else? Do you have to change the ...
14
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1answer
3k views

Why can't Norwegian's Boeing 787 operate from Vegas during hot weather?

In a German news article it was stated that the additional weight (Norwegian puts 291 passengers on their 787-8) leads to operations restrictions in Las Vegas when temperature conditions exceed 40°C. ...
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1answer
968 views

What are the maximum altitude and speed of a GT500 ultralight?

What are the maximum altitude and airspeed of a GT500 ultralight?
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3answers
26k views

What is a Cessna 172's maximum altitude?

What is the maximum altitude at which a Cessna 172 can fly?
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1answer
2k views

Is there anything extra required to spin a Cessna 172 in the Utility category?

I'm trying to find a suitable aircraft to get my spin endorsement for my CFI rating but am running into trouble with most aerobatic aircraft due to my height (too tall). My last thought is that I ...
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2answers
1k views

Does the Piper PA-28 Cherokee have a limitation on its maximum lifetime flight hours?

Is there a lifetime limit on the (airframe) flying hours of an aircraft (specifically the Piper Cherokee)?
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7answers
4k views

What sort of issues related to extreme heat (115°F, 46°C plus) would prevent takeoffs or landings?

I recently flew into and out of McCarran Airport Las Vegas (LAS) and a local told me that they never report the air temperature at the airport above 115°F (46°C) because the FAA does not allow ...
34
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6answers
8k views

What is the biggest airplane that does not need a paved runway?

Since we don't need a control tower for instrument landings I was wondering what else that is thought to be needed could be skipped. I know some small general aviation is done on grass runways and I ...
15
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2answers
503 views

Why is manoeuvring speed higher in utility category?

In a C172P, the manoeuvring speed is 99 KIAS at 2400 lbs, 92 KIAS at 2000 lbs, and 82 KIAS at 1600 lbs. However, it is 102 KIAS at 2100 lbs when in the utility category, which has a more restrictive ...
3
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1answer
985 views

What are the limitations on a steep approach?

Certain aircraft like the A318 are able to do steep approaches for landing. What are the limits (Angle of descent, airspeed, and the like) for this type of landing?
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2answers
1k views

Where can find Service Ceiling of an aircraft?

I would like to figure out the service ceiling for Cessna 172N and I couldn't find it anywhere in the POH. Where can I find it? In POH or somewhere else? If in POH, please post a snapshot of it.
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3answers
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Why does maneuvering speed vary with weight?

Aircraft certified by the FAA under 14 CFR Part 23 have many V speeds, one of them which manufacturers are required to determine and publish in the POH is maneuvering speed, or Va. In aviation, the ...
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3answers
742 views

Why couldn't my aircraft depart fully fueled on a 44C day?

My flight from Abudhabi to SFO was postponed. Official reason given to us was outside temperatures were too high - around 44+ degree Celsius and aircraft can not take off with full fuel loads at such ...
56
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8answers
14k views

Even after years of research, why are planes unable to keep passengers alive in case of a fiery crash?

Aviation dates back to the 18th century, and since then tremendous research has been put into making aircraft safer and more efficient. Though these efforts have resulted in better aircraft, why are ...
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1answer
2k views

Why don't airliners have any mirrors or cameras? [duplicate]

It seems odd that airliners do not have an easy way to monitor critical components on the exterior of the aircraft, should for example, a bird or something else strikes hard enough to cause damage. A ...
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0answers
46 views

Aircraft in lightning [duplicate]

What happens when an aircraft is hit by lightning? (Assuming that none of the engines is hit). Is there some FAA regulation (or some other regulation) which makes it mandatory for aircraft ...
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3answers
2k views

Why is stall speed listed in a POH?

In this comment on this question about stall warning systems, it was stated that: You can stall at any airspeed (see this question and this one) and in any attitude, only the AoA is important ...
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3answers
4k views

How come planes can endure more positive than negative g's? I.e. how come V-n diagrams are not symmetric?

In this question A380 reverse thrust on only half the engines some doubts were raised about the strength of structures in certain directions. Specifically, Peter Kämpf states: Aluminium and ...
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9answers
9k views

Why do airports have to close in bad weather?

Shouldn't aircraft be able to withstand winds of up to 100 mph? When flying the wind is at a much higher speed than that. Shouldn't they be able to take-off through fog using instruments alone? ...
11
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2answers
5k views

What determines crosswind limits?

What is typically the limiting factor for how large a crosswind component a given plane can be safely landed in? My impression is that larger planes are less sensitive to crosswind than smaller ones -...
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1answer
7k views

Where can I find the various operating limitations of the ATR 72-500?

Where can I find the various operating limitations of the ATR 72-500? Is there any document that lists them?
21
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4answers
7k views

Is there a legal maximum altitude?

In the US, is there a highest legal altitude allowed for certain planes and does it depend on the plane? I heard from a sort-of-reliable source that the maximum is 45,000 feet but I haven't been able ...
25
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3answers
16k views

What is the maximum safe bank angle of a 747?

This question arose during the comments of another question, linked for the curious: What does it take to turn a 747 around 180 degrees? Because the discussion was interesting, (and to avoid ...
2
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2answers
2k views

What do the terms “Landing Since New”, FC, and FH mean on a Landing Gear RDAS?

Could anyone able to tell me the "Landing Since New" Meant? and what is the FC and FH in here? Thanks
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7answers
6k views

At what speeds can an airplane land?

I have read people's stories that they landed their small planes (e.g. C172) on bigger airports. They strongly recommended landing at a higher speed and without flaps as the runways are quite long, ...
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7answers
5k views

Can aircraft other than rockets go to space?

I always wondered if it was possible for planes and other aircraft to leave the Earth's atmosphere. Normal commercial transport airplanes can fly pretty high, but then they need air to get the speed ...
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1answer
5k views

What protection does Vno provide?

VNO, the airspeed where the green and yellow arcs meet on the airspeed indicator, is the "maximum structural cruising speed" (FAR 1.2). An airplane should only be flown above VNO in calm air. ...
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2answers
60k views

What is the lifespan of commercial airframes (in general)?

You always hear that the Boeing 737 have been flying for so many years and the Airbus A310 for that many years, but of course that include new airframes being produced all the time. What is the ...