UMA Vertical Airspeed Indicator | 0 – 4000 ft/min, 2-1/4 in, B & W Dial Markings, TSO 3-PFA-PFR-1-BT-0200 The TB17 features NanoPhosphate(c) lithium-ion

The TB17 features NanoPhosphate(c) lithium-ion cells

TL175 and TP175 and insulated alligator clip jaws providing an 7 mm opening with flexible boots

Configure the diced foam interior to store and protect what you need to carry with you

Won't damage hose

the altitude data is set to 100 feet or 10 feet

UMA Vertical Airspeed Indicator | 0 – 4000 ft/min, 2-1/4 in, B & W Dial Markings, TSO 3-PFA-PFR-1-BT-0200 The TB17 features NanoPhosphate(c) lithium-ionUMA TSO vertical airspeed indicators meets the FAA requirements of TSO C 8E specifications. These instruments make an excellent choice for installation in fixed wing aircraft with reciprocating or turbo prop engines. This TSO vertical airspeed indicator (EDMO# T8 210 40) has a 2 1 4 inch mounting hole, 0 ft 4,000 ft min range, and black and white dial markings.