Davtron’s 800-series clocks are multi-functional chronometers with an easy to use two-button design. They display universal time, local time, and elapsed time. The 800 series come with two different screen formats, either liquid crystal or incandescent — both with illuminated screens that are readable in high sunlight situations.
This 877 series chronometer (Alternate Part# 877-28V-24) features 28V lighting with illuminated buttons, rear mount installation, and 24-hour battery option.
- 2 ¼" internal mount
- Two button control system is natural and error free. Setting operations are identical for both alarm and time setting.
- Bright sunlight readable incandescent displays.
- Illuminated buttons and annunciators for night viewing.
- Flight Time recorded in hours and minutes or in hours, tenths, and hundredths.
- Serial time data output for remote use.
- Flight time alarm with external output.
- Elapsed time count down timer with alarm.
- Temperature - Compensated crystal oscillator to maintain precision time reference
Product Codes | |
|---|---|
| Mfr Part No: | 877-28V-24 |
| ECCN: | 7A994 |
| PMA: | PQ1062NM |
| SCHEDULE B CODE: | 9104.00.0000 |
Weight: 5 oz  Dissensions: 1.875 x 2.375 x 2.81 inBattery Type: N size alkaline Model 850 AA size alkaline Model 850Keep Alive Current: 0.00004 AmpsInput Current: 0.2 AmpsInput Voltage: 14V – 28V (backlight available 5V, 14V, or 28V)NVIS Option: NVIS Green A lightingFace plate: black with engraved nomenclature gray with silkscreened nomenclature
- Stock: Out of Stock
- Manufacturer Part #: 877-28V-24
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
