RCA 2610-3 Series Digital Attitude Indicators - 3 Inch - FAA TSO | Aircraft Spruce (2024)

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RCA 2610-3 Series Digital Attitude Indicators - 3 Inch - FAA TSO | Aircraft Spruce (1)

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RCA 2610-3 Series Digital Attitude Indicators - 3 Inch - FAA TSO

7 Reviews 12 Answered Questions

Select Pitch Sync:

With Pitch SyncNo Pitch SyncWith Pitch Sync + Pitot StaticPitot Static / No Pitch Sync

Select Slip / Turn:

Standard (No Digital Slip / Turn)With Slip Indicator + Turn RateWith Slip Indicator Only

Select Battery:

Without Battery BackupWith Battery Backup

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  • Specifications
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The RCA2610 Series Electric Digital Attitude Indicator is the culmination of more than 10 years of innovation from RC Allen. The RCA2610 comes in two sizes; the RCA2610-3 is the 3-inch version and the RCA1610-2 is the 2-inch version; each fit existing panel cutouts. Both sizes have a standard horizon display that includes an on-screen Digital Slip Indicator and Rate-of-Turn Indicator. As with all RC Allen digital instruments, the RCA2610 has an optional Internal Battery Backup for up to 3 hours of emergency power. The standard Pitch Sync feature allows pilots to instantly synchronize the airplane symbol to the horizon line when flying in a pitch up or pitch down attitude. It is the perfect companion to the RCA1510 Digital Heading Indicator.


  • The RCA2610-P adds Pitot-Static input which ensures constant and accurate speed data for enhanced reliability; especially in high performance aircraft.
The RCA2610-G
  • This version comes without the Pitch Sync feature with brightness controls only.
The RCA2610-P-G
  • With Pitot-Static and no Pitch Sync.
The RCA2610 is designed to handle the high vibration environment found on helicopters, and yet, their light weight makes them perfect for soaring. This makes the RCA2610 the most versatile and dependable Digital AI on the market today. With no moving parts to wear out, this instrument will provide years of reliable service; that’s why it includes a full two-year warranty!

The panel tilt angle can be set from 0 to 90 degrees in one-degree increments. Standard models are shipped with 0 degrees tilt but tilt angle must be specified at time of order.

Made in the USA


  • Pitch Sync Feature
  • Internal Battery Backup
  • Sharp Anti-Aliased Screen
  • Black Anodized Bezel
  • Fast Response in Roll & Pitch
  • Vibration Resistant
  • Easy to install
  • Multi-Volt plug & fly
  • Light Weight
  • 2 Year Warranty
  • FAA/EASA Certified


  • Operating Voltage: 9 to 32VDDC
  • Current Draw: (14VDC system) 0.20 AMPs MAX, (28VDC system) 0.18 AMPs MAXa
  • Circuit Breaker Size: 1AMP
  • Settling Error: 1 Degree Maximum in Roll and Pitch
  • Operating Temperature Range: -20º to +55º C
  • Dimensions: Please see specifications document.
  • FAA Specification Conformance: TSO-C4c, TSO-C113a, DO-160G & DO-178B Level C
  • EASA Specification Conformance: ETSO-C4c and ETSO-C113a


  • RCA 2610 Series Specifications
  • RCA2610-P Pitot-Static Specifications
  • RCA 2610 Series TDS
  • RCA 2610-P Series Operations Manual
  • Frequently Purchased With
  • Customers Also Viewed
  • Related Items


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Airman HRCA 2610-3 Series Digital Attitude Indicators - 3 Inch - FAA TSO | Aircraft Spruce (2)Verified Purchase


December 23, 2023

Installed an RCA2610 in place of the turn coordinator on my Cessna 340A. Great looking backup attitude indicator without all the clutter of other flight instruments (i.e., airspeed, altitude, vertical speed). And super simple install with just two wires and existing 3.125 standard hole formerly used by the turn coordinator plus a change in the circuit breaker (reducing from 5 amp to 2 amp). Bought the zero tilt unit but then discovered the C340A needs an 8 degree tilt. Called RC Allen and they recalibrated my unit to an 8 degree tilt for no charge except shipping. It is a year later and now the unit comes with digital turn coordinator. Called RC Allen again and my newer unit is upgradable to add digital turn coordinator and they are doing it just for shipping costs. Fantastic customer service with a really great product.

Joe L

April 27, 2020

Works fine but look at the picture, no slip ball so I bought an external one for $149 and when I turned it on it has a digital one. $149 wasted

Dave C

February 8, 2020

Added the RCA 2610 to my Piper and I love it! Its easy to get used to, it reliable, and accurate. The installation was easy, adding the back up ESP took a little time to find a great location but worth the time. I only wish that RC Allen charged a little less for the unit, but it is a great competitor to the G5 and if you want is the AI then there is no reason for adding all of the extra work for the G5. Now my next upgrade will be the RC Allen HI.


May 13, 2018

I give it 5 stars, but I havent flown with it yet. The installation was straight forward (with an A&P, of course). The only change I had to make was the circuit breaker switch. The old was 5 amps and we installed a 2 amp as called for in the instructions. The only down side is the cost. Not worth the extra thats added on because its certified.


March 24, 2018

So far it is nice. Replaced our turn coordinator with the RC2610. Screen space is a bit smaller than traditional AI but outstanding backup to a Vacuum AI. Only issue we had was, the tilt. We thought tilt was the amount of adjustment you can get with the up down arrows. It is not. It is for someone with a panel that is tilted 8 degrees. (Not sure who has that). No applicability list that recommends proper AI for your aircraft. Asked Aircraft Spruce for swap but they are not able to be cause we placed it in the panel. We were advised to sell on e-bay. We called RC Allen and they are going to adjust ours to zero tilt for additional $200. Expensive mistake on our part but at least a better solution than eating the price of a new one or the loss of value by selling on E-Bay. So it works nice but, be careful which unit you buy. It is yours period.

Richard S

January 14, 2019

It gets 2 stars because it looks good....What a rip-off otherwise. 2 year warranty....? Wow! I paid for that warranty up front...Should be a free replacement...

Vern S

October 1, 2019


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: What type of wire does the RCA 2610 attitude indicator require?

20 GA to 22 GA wire is recommended to use.

Q: Do you have a model that can interface with a Piper Autocontrol lll?

Unfortunately no items in this line can drive an autopilot system.

Q: Can this unit be installed as primary AI? I see that is TSO approved, but the description is not specific on this.

Yes, this RCA 2610 series instrument is designed to be used as a primary attitude indicator.

Q: Is the electrical plug supplied in the RCA 2610 attitude indicator box?

Yes. The RCA 2610 comes with a mating connector.

Q: Is a battery backup required with the RCA 2610 attitude indicators?

Yes. A battery backup is required per the manufacturer.

Q: Does Part # 10-06437 have an internal battery backup?

Part # 10-06437 does not have an internal battery backup. Per Manufacturer Rev A.

Q: Can the RC2610 replace both the artificial horizon and slip and skid indicator? This would eliminate the need of my venturi vacuum system.

The RC-2610 can replace the artificial horizon the slip and skid indicator can be ordered as an optional feature PART # 10-03862.

Q: Is the battery backup included with this unit, and if not, what is the part number?

No, the battery backup is not included in most models of the RCA 2610. We do offer part # 10-07006 which includes the battery backup. It is a RC ALLEN RCA2610-3 DIGITAL ATTITUDE W/ SLIP IND, TURN RATE, BATTERY INCLUDED. However if you order a unit where the battery is not included, you would use the ESP battery backup part # 10-04171 this an external battery.

Q: The product information states The Digital Slip Indicator or the optional Mechanical Slip Indicator (P/N 444-0010-01) can be ordered to satisfy FAA AC91-75. To clarify, if you order the instrument with the digital slip and turn indicator, then you would NOT need to order P/N 444-0010-01, correct?

The digital indicator will also satisfy the FAA AC91-75.

Q: Under specifications, it lists a 2 Amp circuit breaker, but in the product literature, it says a 1 Amp breaker. Which is correct?

Per the manual a 1 amp breaker is required.

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