Need to find the True Air Speed

  • Thread starter lomao
  • Start date
  • Tags
    Air Speed
In summary, the problem involves finding the true air speed (TAS) of an aircraft with an indicated air speed (IAS) of 200 knots at a pressure altitude of 25,000 feet, given a change in Vp of +1 knot and assuming standard day conditions. More information is needed to solve the problem, such as the definition of Vp and how it affects the relationship between IAS and TAS.
  • #1
lomao
4
0

Homework Statement


An aircraft has IAS 200 knot at pressure altitude 25 kft. Change in Vp is +1 knot. If standard day, find the TAS.


Homework Equations





The Attempt at a Solution



Don't know how to do this.
 
Physics news on Phys.org
  • #2
lomao said:

Homework Statement


An aircraft has IAS 200 knot at pressure altitude 25 kft. Change in Vp is +1 knot. If standard day, find the TAS.


Homework Equations





The Attempt at a Solution



Don't know how to do this.

We probably need more info to be of any help. Can you define the problem more completely? What is meant by "Change in Vp is +1 knot."? I assume that IAS = indicated air speed, and TAS is true air speed?

What does being at 25000 feet elevation do to change IAS so it does not match TAS?
 

1. What is True Air Speed (TAS)?

True Air Speed (TAS) is the actual speed at which an aircraft is moving through the air. It is measured in knots and takes into account the air density and the aircraft's altitude and temperature.

2. Why is it important to find the True Air Speed?

Knowing the True Air Speed is crucial for pilots to accurately calculate the time and fuel needed to reach their destination. It also helps them maintain a safe and efficient flight, especially during turbulent weather conditions.

3. How is True Air Speed calculated?

True Air Speed is calculated by correcting the indicated airspeed (IAS) for non-standard temperature and pressure. This can be done using a flight computer or through mathematical formulas that take into account the air density and the aircraft's altitude and temperature.

4. Can True Air Speed change during a flight?

Yes, True Air Speed can change during a flight due to factors such as changes in air density, temperature, and altitude. Pilots need to regularly calculate and adjust for these changes to maintain an accurate TAS.

5. Are there any limitations to using True Air Speed?

While True Air Speed is an important measurement for pilots, it does have some limitations. It does not take into account wind speed and direction, which can impact the ground speed and the time needed to reach the destination. Additionally, TAS is affected by instrument errors and can be affected by turbulence or other weather conditions.

Similar threads

  • Introductory Physics Homework Help
Replies
6
Views
1K
Replies
1
Views
1K
  • Introductory Physics Homework Help
Replies
31
Views
4K
  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
4
Views
1K
  • Introductory Physics Homework Help
Replies
4
Views
1K
  • Introductory Physics Homework Help
Replies
24
Views
2K
Replies
24
Views
2K
  • Introductory Physics Homework Help
Replies
20
Views
4K
  • Introductory Physics Homework Help
Replies
9
Views
3K
Back
Top