Electronics International SC-5 Super Clock

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Part# 10-01612
MFR Model# SC-5


May be set to display in a 12 or 24-hour format. Displays Zulu Time. A 10-year lithium battery keeps the clock running even if the aircraft battery is removed. Displays an Up Timer. This Timer will start running when the engine is started. In this manner the Timer acts as an automatic Flight Timer. The Up Timer may be started, stopped or reset. A Recurring Alarm may be set to alert you at appropriate time intervals. Example: If the alarm is set for 30 minutes, you will get an alarm at 30 minutes, 60 minutes, 90 minutes, etc. This alarm can be used to remind you to check your fuel level or switch tanks at set time intervals. Displays a Down Timer. This Timer counts down from a programmed start time. The Down Timer may be started, stopped or reset. Warning lights above the LCD display will blink if the Up or the Down Timer times out. Displays an Engine Timer. This Timer acts as a Hobbs Meter. When the engine starts, the Engine Timer will run. The Engine Timer displays total engine time in hours, tenths and hundredths of an hour.

E.I. products include all documentation and certifications

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

FAA Approval

  • The SC-5 can be installed as a minor alteration, with a logbook entry. No certifications or field approvals are required.


  • Dimensions: 2 1/4" Mount. 3.65" Depth. 10 Oz. Unit.
  • Viewable in direct sunlight.
  • Backlit for night operation.
  • Operates from 7.5 to 35 volts at .3 amps.
  • Frequently Purchased With
  • Customers Also Viewed


Magaero L Verified Purchase


January 13, 2023

James M Verified Purchase


October 29, 2021

Do not but if you want it to fit in an R66! 2011

Colt Verified Purchase


October 6, 2021

great functionality in a no-frills interface... there are enough interrupts on the unit to suggest a simpler way to adjust the initial time that doesnt involve turning on ships power... only nitpick

Hillel G Verified Purchase


September 22, 2021

Always as advertised, on time.

December 26, 2020

This clock does everything. Is a very good value.

Lloyd M
October 5, 2020

Super clock is everything EI claims. I can’t wait to install it and fly with it. Be sure to purchase the LED controller (enables dimming the bright LED’s).

Lloyd M
September 22, 2020

After the installation was complete, it works as advertised. The only issue we had during the installation was that the glare shield interfered with mounting due to the depth of the clock. If you are planning on using this as a replacement, make sure your old clock has the same depth measurements or that the glare shield wont interfere with the mounting process.

Grant A
May 7, 2020

An excellent product and excellent service of Aircraftspruce delivered timely to meet the expectations.

Zahoor A
April 27, 2019

This is a great clock and a lot of features for the money, very well made!

December 23, 2018


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: Does the SC-5 use 0.3 amp when aircraft is not operated or is it only when aircraft is in use?

The SC-5 has a built in battery and does not draw any power while the aircraft master is off. Once the avionics bus is turned on it will draw 0.3 amps to run.

Q: Does the EI SC-5 clock display the time even with the master switch turned off?

It will keep time when the master switch is off but will not show time when the master switch is off so not to drain the aircraft battery.

Q: Will the EI SC-5 Super Clock show time in HR and Tenths when engine is off? Like a Hobbs?

No. The engine time will only display when power is supplied to the instrument.

Q: Is the battery for the EI SC-5 Super Clock user replaceable or even replaceable at all?

This clock has to be sent back to EI for the battery swap. Please call EI to get an RMA number prior to sending it in.

Q: I need a new battery for my EI SC-5 Super Clock. Is it available?

The battery can only replaced by EI. Please contact them directly for instructions on battery replacement.

Q: Is the harness included with the EI SC-5 super clock?

Yes. The harness is included with the instrument.

Q: Can my present engine time be programmed into the EI SC-5 super clock?

Yes, the manufacturer can program current engine time but it must be specified at time of order. Please contact our sales department to special order the EI super clock with preset hours.

Q: Is there a way to dim the display of the EI SC-5 super clock down?

The super clock can be dimmed either thru your panel dimmer or, with the electronics international led intensity controller, aircraft spruce part number 10-02035.

Q: Can the Hobbs Time be set to an existing engine time on the SC-5 Super Clock?

Yes, engine time can be set on this part if required. Please contact our sales department to place your order for the SC-5 with the hours set. Hours must be set and special ordered at time of purchase, they cannot be field set.

Q: Can this be used as a Up, Down Timer and Hobbs Meter simultaneously? Does it have separate clocks for it?

It will not do this simultaneously. It will only display on timer at a time, and it has separate LED indicators for each timer.

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