![Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable United Instruments Vertical Speed Indicator PN C661035-0101 Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable United Instruments Vertical Speed Indicator PN C661035-0101](https://www.preferredairparts.com/content/images/thumbs/0000597_serviceable-united-instruments-vertical-speed-indicator-pn-c661035-0101.jpeg)
Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable United Instruments Vertical Speed Indicator PN C661035-0101
![Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable Sigma Tek Airspeed Indicator PN C661064-0237, EA5172-45-CES. Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable Sigma Tek Airspeed Indicator PN C661064-0237, EA5172-45-CES.](https://www.preferredairparts.com/content/images/thumbs/0000654_serviceable-sigma-tek-airspeed-indicator-pn-c661064-0237-ea5172-45-ces.jpeg)
Preferred Airparts, LLC - New Surplus and Used Aircraft Parts. Serviceable Sigma Tek Airspeed Indicator PN C661064-0237, EA5172-45-CES.
![UNITED INSTRUMENTS True Airspeed Indicator - 0-200 MPH / 170 Knots | 8100-B154 | Pacific Coast Avionics UNITED INSTRUMENTS True Airspeed Indicator - 0-200 MPH / 170 Knots | 8100-B154 | Pacific Coast Avionics](https://www.pacificcoastavionics.com/cdn/shop/products/product_3552469e-dd6e-492e-b4f5-4ff657c9f154_900x.jpg?v=1654199304)