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Home / Instruments / Attitude Indicators / RC Allen /RC Allen 22 Series Vacuum Horizon Gyro TSO
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RC Allen 22 Series Vacuum Horizon Gyro TSO

13 Reviews 6 Answered Questions
Select Model:
22-722-7F22-11 14V22-11 28V22-11F 14V22-11F 28V22-15
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0 Degree Tilt8 Degree TiltCustom Degree Tilt
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Overview

The RCA22 Series of vacuum artificial horizon are controlled by air driven precision gyros to present the pilot with pitch and roll information. The attractive color scheme of blue sky and brown ground presents a realistic spherical display of flight. Unless otherwise indicated all instruments have a dark blue/brown display, fixed pointer and are unlighted. This is the "standard" display.

All RC Allen vacuum gyros run off of 4.5" Hg, erect time is 3 min. Instruments equipped with a warning flag will let you know when vacuum has dropped below 3.8" Hg. Flag retracts from view at 4.3" Hg. Instrument fits in a standard 3-1/8" panel cutout. 1/4"-18 NPTF nylon tube slip fitting is recommended for vacuum hose installation. 1/8"-27 NPTF nylon tube slip fitting is recommended for vacuum gage installation.

Height: 3-3/8"
Width: 3-3/8"
Length: 6"
Weight: 2.75 lbs.

Meets or exceeds all requirements of FAA TSO C4c and Aeronautical Standard AS396B.
Made in the USA

Model Specifications

  • 22-7: Standard display
  • 22-7F: Standard Display with a warning flag.
  • 22-11: Standard display, lighted 14V or 28V
  • 22-11F: Standard display, lighted, with a warning flag, 14V or 28V
  • 22-15: Display is blue over black(AKA Piper Display).

Documents

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Reviews

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Easy replacement for my old attitude indicator. Seems to be working very well. No surprises.

John G Verified Purchase

RC ALLEN 22-7 VACUUM HORIZON GYRO 0 DEGREE TILT TSO
August 5, 2022

Almost didnt get it but, the lady that helped me did her magic and found a Gyro Horizon instrument at the other warehouse. Great help.

Eduardo A Verified Purchase

RC ALLEN 22-7 VACUUM HORIZON GYRO 0 DEGREE TILT TSO
July 25, 2022

Great product

Art T Verified Purchase

RC ALLEN 22-7 VACUUM HORIZON GYRO 0 DEGREE TILT TSO
May 3, 2022

Ordered online quick delivery. The Form 8130 was missing in the box, but I called and was emailed the form right away. Thanks Aircraft Spruce!

G L
August 10, 2020

Good inexpensive Attitude Indicator. I didnt need to spend THOUSANDS on the electronic stuff. Works perfect!

Larry F
July 30, 2020

Wish I lived on KFFC.

Keith P
February 20, 2020

Worked great

Jeff T
January 2, 2020

Just installed the RCA22-7F (8 degree panel, non-internally lighted with blue over brown colors and Vac flag) in the co-pilot position of my 421B. Great looking instrument, shorter in length than the original so some plumbing re-work was required, but I love the increased space behind the panel. Time will tell if it holds up as well as my last one (a non-RC Allen instrument that went 18 years and about 2,500 flight hours). Nice looking instrument. Though I have dual vacuums and electronic annunciation of vacuum failure it is nice to have the instrument flag to give immediate failure warning.

Gary S
December 31, 2016

This was a vast improvement over my original 3.75 AH it is lighter and more accurate, it doesnt drift, its easier to read, and the markings offer more precise flying. It has definitely made allowed me to fly much better under instruments. I feel much more confident with this new instrument than my original.

John G
December 21, 2015

No paperwork or instructions at all. I purchased a TSO unit, so at the very least you expect a Form 8130 and a clear and concise instructions, no matter how simple the hookup is.

98x L
January 19, 2021

Q&A

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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: There are two pics of RC22 AI on your site. One has yellow horizontal markings with brown below blue and the other is white markings with black below blue background. Is there corresponding model #s for the photos?

22-15: Display is blue over black (AKA Piper Display). All other model numbers have standard blue over brown display.

Q: What is the warranty on these units?

These come with a 1 year manufacturer's warranty.

Q: Can I order the 22-7 with 8130-3?

The RC Allen 22-7 gyro will come with the domestic 8130 paperwork included in the box.

Q: Is the RC Allen 22-7 suitable for use on certified aircraft?

Yes, this unit is FAA TSO approved for use in certified aircraft.

Q: Do you ship to europe?

Yes, we do export to Europe.

Q: Please confirm these are brand new, and not rebuilt?

Yes, the gyros listed on this page are new, outright.

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