Aircraft Spruce Canada
Brantford, ON Canada
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| Manufacturer Part Number | Description | PN | Price | Buy |
|---|---|---|---|---|
| M811C | MODEL 811C STANDARD BLACK FRONT MOUNT, LT (12 OR 24) HR, FT, ET/CDT, LED CLOCK | 10-07455 | $433.00 | |
| M811C-A | MODEL 811C-A M811C WITH GRAY FACEPLATE | 10-07456 | $433.00 | |
| M811C-2 | MODEL 811C-2 STANDARD BLACK INTERNAL MOUNT, LT (12 OR 24) HR, FT, ET/CDT, LED CLOCK | 10-07457 | $433.00 | |
| M811C-2A | MODEL 811C-2A M811C-2 WITH GRAY FACEPLATE | 10-07458 | $422.00 |
Overview
| The Davtron M811C is FAA Approved as an advanced time-keeping device equivalent and hence a replacement for the sweep-second-hand clocks of old. The unit is considered a replacement for clocks in Part 23, Class I and II IFR aircraft per advisory circular AC 20-94A. |
Features
- 2 ¼" internal mount or front mount
- Six-digit display on all 3 functions
- Local time
- Flight time
- Elapsed time counter
- Sunlight readable display
- Over 100,000 hours rated displays
- Memory battery included
- FAA approved
Specifications
- Six-digit display on all three functions
- Local Time: 12 hour or 24 hour option (user selectable)
- Flight Time: 24 hour
- Elapsed Time Count Up: 24 hour
- Elapsed Time Countdown with flashing alarm
- Precision/Extreme Accurate Clock IC Industrial - 40°C to 85°C
- Memory Battery supplied with a typical 5 year operating life.
- LED Displays: Readable in Sunlight
- LED Backlight: (Toggle Switch (BRIGHT / OFF / DIM)
- Input Voltage: 9 Volts
- Black Faceplate: Engraved Nomenclature
- Weight: 7.5 ounces max
- Polycarb Lens filter - Light Shield
- Warranty: 1 year
FAA Approval
- Davtron Inc has determined that installation of all Davtron products are considered minor according to (FAR) 21.93(a). All of our units are similar in design, with their electrical, mounting size, and weight being similar. Even though we consider installation of Davtron products to be minor, it is up to the installing mechanic to determine if the installation is minor or major. For a minor, a maintenance log book entry is all that is required. The FAA has determined that the installation of replacement clocks in non-transport category airplanes is considered to be minor, therefore only a maintenance log book entry is required referencing letter 100S-GA-10-53 or NORSEE Approval from the FAA. For a major installation, a FAA 337 form may need to be filed with your local FSDO and a possible field approval done.
Reviews
Installation was easy and it works as advertised.
Verified Purchase
Davtron Model 811C-2 Standard Black Internal Mount Lt 12 Or 24 Hr Foot Et/Cdt LED Clock
Just installed, beautiful display. This is a much better model than the older M811B with the external battery. Fingers crossed that the internal CR2032 indeed holds time for 5 years.
Verified Purchase
Davtron Model 811C-2A M811C-2 With Gray Faceplate
Q&A
Please note, Aircraft Spruce Canada'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 Canada 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.