Small Ball Type Bank Indicator 2.5 L X 1 W

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Part# 10-00600
MFR Model# 1040


Bank indicators show lateral inclination relative to the horizon. In turning, instantly register slightest departure from the correct banking angle. Bank scale has white markings on a black background. New manufacture. Available in 2 models.

Approximate dimensions:
10-00600 = 2.5" L x 1" W
10-00700 = 5.5" W x 1.5" L


Part No. 10-00600

  • Dimensions: 2-9/16"w X 1-1/8"h X 1/2"d
  • Degree Range: 10
  • Degree Markings: 5
  • Case Materials: Black painted aluminum, engraved markings filled white
  • Tube Construction: Glass with black ball on white background

Part No. 10-00700

  • Dimensions: 5-3/8"w X 1-3/4"h X 5/8"d
  • Degree Range: 20
  • Degree Markings: 1
  • Case Materials: Black painted aluminum, engraved markings filled white
  • Tube Construction: Glass with black ball on white background

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Very expensive for what it is. However, it is of a very good manufacturing quality.

Lewis M Verified Purchase


February 18, 2022

Put it in my 140 works great, buying one for the cub now

Donald J Verified Purchase


November 19, 2021

Put this right underneath the backup attitude indicator in my C182T. Fits perfectly and was an easy install. Looks great and functions flawlessly. Any works even with full electrical failure, unlike the ball on my G1000.

Daniel H
March 7, 2021

Fast efficient service.

Ian C
January 25, 2021

Exactly as described

Darryl K
May 11, 2020

Prompt shipping quality product.

Bradley R
January 10, 2020

The item arrived in perfect condition and exactly as I expected Thanks

Gary C
September 19, 2019

Works perfect!

August 16, 2019

Nice and smooth operation. Works well I my KITFOX 3.

August 4, 2019

Bought the bigger 20 degree one. Seems well made, currently I used Scotch double stick foam mounting squares cut to fit to mount it. This way I did not drill the two holes yet and I made sure it is square with the airplane before I would drill any holes. Much better than the tiny balls shown on the electronic displays that barely move. I used surveying equipment to verify the wings were level before mounting. It is big like they say, 5+ inches so it gets your attention

March 14, 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: How does 10-00700 & 10-00600 bank indicators mount to the panel?

On the ends of both of these indicators is a mounting hole to mount to the panel.

Q: Will this Bank Indicator fit on RC Allen electrical attitude indicators?

This is not designed for RC Allen instruments. We recommend ordering the RC bank indicator option.

Q: What material are the inclinometers made of?

Case Materials: Black painted aluminum, engraved markings filled white.

Q: Will this product fit on a AI King KI 256?

This product is intended to fit underneath a gauge and not on top of a gauge using the same mounting holes.

Q: Can you please tell me what the screw hole spacings are on these two inclinometers?

Part number 10-00600 is 2.25" and 10-00700 is 5" center of hole to hole.

Q: Are these Ball Type Bank Indicators FAA PMA approved for use certified aircraft?

The small bank indicator, 10-00600, does have FAA-PMA approval.

Q: For these simple ball type bank indicators it references Mfg Part# to be 1040 and 1023. I assume 1040 = Spruce P/N 10-00600 but need to be sure. Please confirm.

Yes, 10-00600 is mfg no. 1040.

Q: Can the either or both be mounted upside down to coordinate inverted turns?

No, these cannot be installed upside down.

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