Questions tagged [altitude]
A measurement of vertical distance. Usually measured at either Mean-Sea-Level (MSL) or Above-Ground-Level (AGL).
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Temperature change & Altimeter indication
Ref: FAA Pilot's Handbook of Aeronautical Knowledge 2023 (faa-h-8083-25c)
Page 8-4, column 2, paragraph 3 (including figure 8-3) through page 8-5, column 1, paragraph 1.
As a background to my ...
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Why is MH370's location data from the Malaysian military considered reliable if the altitude data isn't?
This is another question originating from the video "The Vanishing of Flight 370", by Lemmino.
At 13:52 he says
The data recorded by the Malaysian military ...
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ADS-B - Measure distance from position on ground to an aircraft
I have a docking station for autonomous drones in the field. It is equipped with a Raspberry Pi, an 1090 MHz ADS-B stick, and it knows it's geometric position from a previously done precise ...
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Does one need to make temperature corrections for airspace avoidance?
This answer claims that airspace boundaries are based on true altitudes, not any particular altimeter setting. But temperature errors can cause indicated altitudes to vary wildly from true altitudes.
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Max Range Relationship to Altitude for Propeller-Driven Aircraft
Chapter 11 of the PHAK states, "If a change in altitude causes identical changes in speed and power required, the proportion of speed to power required would be unchanged. The fact implies that ...
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Calculating True Altitude from ADS-B Data [duplicate]
I am working on a project and need to determine the altitudes of airplanes (trying to determine when they are landing/doing a touch and go).
I have an ADS-B receiver receiving data from the airplanes.
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AS8003 Altitude Encoders: How are readings from silicon pressure sensors converted to pressure altitudes?
Encoders such as the ACK A-30 use uncompensated silicon pressure sensors (e.g. MPX100 series according to this video) which are kept at a constant temperature. I presume they are heated so as to stay ...
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Do ATC say "Climb to XXXX on standard" or "Climb to standard XXXX" or something else?
Do ATC say "Climb to XXXX on standard" or "Climb to standard XXXX" or something else?
By "standard" I'm referring to altimeter pressure settings (set to standard pressure)...
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What are the survival rates from different altitudes?
In this video of someone making a homemade electric aircraft, at around 19:44 into the video, the creator shows his estimates of survival chances if he stalled and crashed from various altitudes, a ...
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Why does Vx increase with altitude and Vy decrease?
As an airplane climbs, the best angle of climb airspeed (Vx) increases and the best rate of climb airspeed (Vy) decreases.
I can't figure it out, why does it happen?
I Hope someone explains it to me
I ...
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Why was the Me 262's top speed at 6km?
The P-80 had its top speed at sea level, but the Me 262 achieved its top speed at 6km altitude. What were the reasons for this? Was it that the engine was designed for such an altitude to deal with ...
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Is it safer to fly over 3,000ft for General Aviation?
I have been reading over the UK Airprox annual report of 2021 and it states:
In 2021 – 76% of all events and 83% of all aircraft-to-aircraft events took place at
or below 3000ft altitude.
In 2021 – ...
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What is meant by altitude correction above Transition level?
I am a system engineer dealing with Thales ATC product. In my system there is a server called sensor data processor, one of its function is to receive QNH data to do altitude correction. I can't ...
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How does elevator control effectiveness change with altitude/ air density?
Suppose an unpowered, rigid, mechanical, lightweight aircraft (e.g. sport glider) is descending at a steady glide in a constant trim (hands off) configuration in a standard atmosphere. The pilot ...
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How can skydivers start at 15,000 feet without the jumper suffering from hypoxia?
Many commercial skydiving facilities offer jumps at 15,000 ft. However, when I took my ground theory exams, it was reiterated many times that hypoxia starts at 10,000 feet.
How does this work? Is it ...
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