Questions tagged [aircraft-systems]

The essential systems found on most aircraft, including power plants, fuel systems, electrical systems, and flight instruments.

16 questions with no upvoted or accepted answers
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How Jozza Bombsight worked?

I'm looking some information about the so called Jozza Bombsight used for example on board of the Savoia-Marchetti SM-79 during WWII. Thank you
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Using the APU for heating on the ground with engines shut down

I would like to refer one technical question to you that I couldn’t able to explain myself. It is from the FCOM Supplementary Procedures Chapter of a Boeing 737 Classic. This question concerns the use ...
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In aircraft air conditioning systems what are the differences between the air cycle machine system and the displacement blower type system?

I have seen reference to both these different air conditioning systems but can't understand what the key differences are and where each system would likely be found.. I.e is one system preferable over ...
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560 views

What is the difference between a pressure switch, high-pressure control, and low-pressure control in a landing gear hydraulic system?

This is an Arrow II landing gear diagram. In the diagram, the high and low pressure controls look like check valves. The pressure switch is unclear. What are these three items, and what purpose ...
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124 views

What information is recorded in aircraft sensor and maintenance logs?

I was wondering what the sensor and maintenance logs in an aircraft look like and what are the values logged? Like maybe the engine temperature, altitude, exhaust temperature, etc. I know the data is ...
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210 views

How efficient would it be to have a plane with the cockpit in the back?

Would it be efficient to have a passenger planes cockpit move to the back of the plane, rather than the front? What I have in mind is cameras on the fuselage and nosecone that connects to the cockpit ...
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66 views

How to compute actuator torque requirement for Variable pitch mechanism??

Suggest me any reference to compute the torque requirement for actuator/motor to control the pitch angle of propeller (Variable Pitch Propeller). Thanks in advance Arun Ravindran
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233 views

What is the AMIS?

What is the Aircraft Maintenance Information System (AMIS)? Online I found only a little information, in particular here: The Aviation Management Information System (AMIS) is used to collect, ...
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64 views

How to know which NVIS Class is used in an aircraft?

I wonder if NVIS (Night Vision Imaging System) class for a fighter jet is fixed or not? Is it possible that the pilot can wear any NVG (Night Vision Goggle)? If I want to find out the NVIS Class that ...
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89 views

Make a 3 engine turboprop electric or steam hybrid aircraft?

Was thinking about this, have a 2 engine regular turboprop with a third electric engine for extra performance (imagine a DC3 like the Conroy Tri-Turbo-Three). The 3rd electric engine would be run from ...
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181 views

What is the difference between the Flight Control Systems of different F16 models?

it is mentioned that the F16 A/B variants had an analog FCS, while the C/D version introduced a digital FCS starting from block 40. Can somebody elaborate on the differences between them and point me ...
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169 views

Does an Airbus FAP display any indication of a full waste tank?

I have doubt about controls on FAP regarding Waste Tank. I understand when crew person clicks on Input On button, FAP displays the quantity of Water and Waste tank. But what happens when Waste Tank ...
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833 views

How does pendulous vane work?

The pendulous vane uses precession to correct a gyro by small jet air, but I do not know how it works. As far as I study, when gyro is tiled, one of the doors open and the other one is closed. This ...
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276 views

Will the new Boeing NMA be 'more electric' than the current B787?

I understand that the B787 is the 'most electric' aircraft to date, however there have been many issues with the plane, and I'm interested in knowing if the latest Boeing New Midsize Aircraft (NMA) - ...
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197 views

How long does the gear extension/retraction takes on the ATR-42?

Which is typical time of landing gear extension in normal conditions ? I would like to know it especially for the ATR-42 but any other typical value is welcome ! Furthermore can you provide any link ...
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415 views

What is the CDSU for a governor with magnetic trim?

The governor is a spring-loaded, flyweight-operated, hydraulic control valve whose driving gear is in mesh with the differential output ring gear through the scavenge pump gear. The governor senses ...