Supported Instruments

HAI performs maintenance on a wide variety of aircraft instrumentation. The following is a listing of the main types.

Aircraft Instrument Overhaul

Mechanical and Pneumatic Instruments

Altimeters, Standard
Altimeters, Encoding
Altimeters, Counter-Drum
Altimeters, Servoed
Altimeters, Blind Encoders

Altimeter, Cabin
Altimeter, Cabin and Differential Pressure

Airspeed, Standard
Airspeed, True
Airspeed, Mach
Airspeed, Max Allowable

Mach and Airspeed Sensors
Mach Airspeed Warning Switches

Rate of Climb (Vertical Velocity)
IVSI (Instantaneous Vertical Speed Indicator)

Barometric Switch
Altitude Switch

Magnetic Compass

8 Day Clocks


Gyroscopic Instruments

Directional Gyros (Vacuum and Electric)
Horizon / Attitude Gyros (Vacuum and Electric)

Auto-Pilot Directional Gyros (Vacuum and Electric)
Auto-Pilot Horizon / Attitude Gyros (Vacuum and Electric)

Flight Director Gyros
Slaved Gyros
Vertical Gyros (Remote Gyros)

Turn Coordinators
Turn and Slip (Turn and Bank)
Auto-Pilot Rate Gyros

Horizon Situation Indicator (HSI)

Attitude Directional Indicator (ADI)

Engine Instruments

Electrical and Electronic Instruments

Load Meter
Frequency Meter

Tach Generators

Engine Gauge Units (3 in 1)
Engine Clusters

Fuel Quantity Indicator

Pitch Trim Indicator
Horizontal Stabilizer Indicator
Aerilon Indicator

Autosyn Synchro Indicators

Hydraulic Pressure Indicator
Pneumatic Pressure Indicator
Suction Gage

Oil Pressure Indicator
Oil Temperature Indicator
Oil Temp / Oil Pressure Indicator
Torque Pressure Indicator
Manifold Pressure Indicator (Single and Dual)
Manifold / Fuel Flow (Pressure) Indicators
Fuel Pressure Indicator
Fuel Flow Indicator

Position Indicators
Position Transmitters

Autosyn Indicators (Synchro Indicators)
Magnesyn Indicators
Magnesyn Transmitters

Outside Air Temperature Indicator (OAT)
Turbine Outlet Temperature Indicator (TOT)
Inlet Turbine Temperature Indicator (ITT)
Measured Gas Temperature Indicator
T5 Indicators
Exhaust Gas Temperature Indicator (EGT)
Battery Temperature Indicator
Carbide Air Temperature Indicator
Cabin Temperature Indicator

Tachometer (Signal, Dual, Triple)
Propeller Tachometer
Percent Tachometer
Prop Synchroscope Indicators

Aircraft Instrument Overhaul
Aircraft Instrument Overhaul