UMA vertical airspeed indicators make an excellent choice for installations in fixed wing aircraft with reciprocating or turbo prop engines.
This non-TSO vertical airspeed indicator (Alternate Part# 8-310-20):
- 3-1/8 inch mounting hole
- 0 ft – 2,000 ft/min range
- Black & white dial markings
- Dial Label: Vertical Speed
Product Codes | |
|---|---|
| Mfr Part No: | 8-310-20 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 9014.20.8040 |
| TSO: | C8e |
Weight: 8.8 oz Dimensions: 3.55 x 3.12 inOperating Temperature: -20°C to 55°CFriction/Position Error: ±100 ft/minScale Error: ±100 ft/min (0 – 500 Feet) ±200 ft/min (500 – 1000 ft) ±300 ft/min (1000 – 2000 ft) ±300 ft/min (2000 – 3000 ft) ±400 ft/min (3000 – 4000 ft) ±500 ft/min (4000 – 5000 ft) ±500 ft/min (5000 – 6000 ft)Case: Velox 420 plasticAppearance: Case, Bezel and dial background are matte black Identification lettering is white Markings are matte white Pointer is matte white with black hub and counterweight
- Stock: Out of Stock
- Manufacturer Part #: 8-310-20
Available Options
Aircraft Fitment Finder
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.
