Welcome Guest. Sign in or Signup

2 Answers

AHRS – Directional Gyro Mode

Asked by: 457 views ,
Aircraft Systems

What is the purpose of the 'Directional Gyro' (DG) mode in an AHRS and when would this mode typically be used?

Thanks

 

Ace Any FAA Written Test!
Actual FAA Questions / Free Lifetime Updates
The best explanations in the business
Fast, efficient study.
Pass Your Checkride With Confidence!
FAA Practical Test prep that reflects actual checkrides.
Any checkride: Airplane, Helicopter, Glider, etc.
Written and maintained by actual pilot examiners and master CFIs.
The World's Most Trusted eLogbook
Be Organized, Current, Professional, and Safe.
Highly customizable - for student pilots through pros.
Free Transition Service for users of other eLogs.
Our sincere thanks to pilots such as yourself who support AskACFI while helping themselves by using the awesome PC, Mac, iPhone/iPad, and Android aviation apps of our sponsors.

2 Answers



  1. Dave M on Aug 05, 2017

    Sometimes AHRS can be confused by metal/magnetic fields. The departure end of RWY 3 at KLGA can have this effect because of the metal used to extend the runway. Gyros won’t be affected by this. Once airborne, you can switch back to AHRS.

    +2 Votes Thumb up 2 Votes Thumb down 0 Votes



  2. Charles22 on Aug 05, 2017

    Thanks, Dave.

    0 Votes Thumb up 0 Votes Thumb down 0 Votes


The following terms have been auto-detected the question above and any answers or discussion provided. Click on a term to see its definition from the Dauntless Aviation JargonBuster Glossary.

Answer Question

Our sincere thanks to all who contribute constructively to this forum in answering flight training questions. If you are a flight instructor or represent a flight school / FBO offering flight instruction, you are welcome to include links to your site and related contact information as it pertains to offering local flight instruction in a specific geographic area. Additionally, direct links to FAA and related official government sources of information are welcome. However we thank you for your understanding that links to other sites or text that may be construed as explicit or implicit advertising of other business, sites, or goods/services are not permitted even if such links nominally are relevant to the question asked.