3 1/8" Mechanical Tachometer by Superior Labs
Avg Cruise 2300 RPM
Replaces Piper and Beechcraft Models

Since 1977, Superior Labs (SLI) has been the aircraft tachometer of choice by most OEM’s for precision and reliability. Now SLI is proud to offer these precision aircraft tachometers for aftermarket replacement of most single engine aircraft. If that shaky tachometer needle, or inaccurate tachometer reading has you questioning your RPM's, it’s time to replace it with a precision SLI tachometer. SLI manufactures aircraft tachometers for all general aviation aircraft types and offers custom screen printed dials, internal lighting, anti-glare glass, and pre-set engine hours. Chief Aircraft currently stocks a wide range of aircraft tachometers for the following aircraft:

• Cessna
• Piper
• Mooney
• Diamond
• Beech
• American Champion

Superior Labs is currently FAA approved and holds the latest revision on TSO C49b for the Mechanical Recording Aircraft Tachometer.

---

Aero Commander A9, A9A, A9B Aeronca 15AC Sedan Grumman/America AA1, AA1A, AA5 Beech C35, D35, E35, F35 Bellanca/Champion 7EC, 7FC, 7GC, 7HC, 7GCB, 7K, 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, 260 14-19, Viking 300, Turbo Viking

Cessna 120, 140, 170, 180, 182, 185 w/IO-470 engine, 188, 336, 337 Lake C1, C2, L4, LA4SC, LA5 Mooney M20, M20A, M20D, 21, 200, 201, 202, 220 Piper PA12, PA16, PA18, PA20, PA22, PA23, PA24, PA28, PA30, PA32, PA39 Rockwell 112, 114 Taylorcraft 19, 14A, 20, 20AG, Zephyr

Specifications
Accuracy to within ± 25 RPM Range 0-3500 RPM Diameter 3-1/8"	Length 3-1/2" Weight: 13 Oz. Two Years Warranty