Explain the term flight envelope limitations
From which 3 subjects do the boundary lines in the Payload-Range-Diagram result from ?
What are the limits for the current position of the overall center of gravity ?
What happens if the CoG leans too much far in the front or too far in the back ?
How is the diagram called ?
Weight and balance diagram
On what factors is the environmental envelope depending ?
What are the consequences of icing on the aircraft ?
What 2 types of icing do exist in aviation and when do they occour ?
What does the regulation say about visibility in aviation ?
Which requirements must be met ?
What is the indicated airspeed (IAS) ?
What is the calibrated airspeed (CAS) ?
How are errors in flight speed compensated in modern aircraft ?
What is the equivalent airspeed (EAS) ?
What is the true airspeed (TAS) ?
Explain the differences between the different types of air speed in relation to pressure, density and correction of the installation error …
Explain ground speed
What different subject has be taken into account for the calculation of the speed over ground ?
Describe the way of instumentation along the calculation of air speed of the aircraft …
What is Buffet ?
When does it occour ?
What is Buffeting ?
When does it normally occour ?
What is fluttering ?
When is fluttering occouring ?
Which two types of buffeting do exist ?
Low speed buffeting
High speed buffeting
How is the mechanism of low speed buffeting?
When is low speed buffeting occouring ?
How can the frequency of the low speed buffeting be estimated ?
How is the mechanism of high speed buffeting ?
When does high speed buffeting occour? [Range of Mach number]
How can the frequency of high speed buffeting be estimated ?
Which buffeting has the higher frequency and what can be said about the relation to fluttering ?
What is increasing the danger of buffet ?
How can the envelope of buffet be described (plotting) ?
What is the aerodynamic ceiling ?
What influence has the Mach number on buffet limit ?
What does the altitude-velocity diagram describe ?
How is the diagram else called ?
Where are the boundaries resulting from ?
Where can the stall limit be found in the flight envelope ?
Name the formula for stall speed …
Due to which factors is the stall limit shifting ?
Where can the altitude limit be found in the flight envelope diagram ?
How does it differ from simple aircraft to pressurized commercial aircraft ?
What is according to ISA the maximum permitted internal pressure altitude ?
Name the climb speeds for jet and prop engines !
What are the limitations for military aircraft ?
What are the two boundary curves for the limitation of maximum speed in the flight envelope diagram ?
What are the limitations for diving speed in the flight envelope diagram ?
Should it be reached during normal flight operations ?
What is meant by the aerodynamic ceiling and coffin corner ?
Picture the flight envelope for military aircraft
What additional aspects have to be considered ?
Explain what is meant by the flight corridor for hypersonic aircraft ?
How can it be pictured ?
What does a vn-diagram provide ?
What is meant by the ratio n ?
Where is the boundary of the 1 G stall limit to be found in the vn-diagram ?
Which value does the parameter n get a equivalent of 1 G ?
Where can the design maneuver speed be found in the vn-diagram ?
Where can the n(max) be found in the vn-diagram ?
Which value has n in this case ?
Where is the design cruise speed in the diagram ?
What can be understood by gust ?
What is the influence of gust on the vn-diagram ?
At which value of n do the gust lines in the vn-diagrams start ?
How can the gust load factor be calculated ?
How can the design speed for maximum gust intensity be calculated ?
What are speed limits for smaller aircrafts ?
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