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 - On Backorder
- 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 to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- 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
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available 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.
