AV-601 altimeter


Radar Altimeter

The AV-601 is a radar altimeter antenna specifically designed to meet FAA TSO-C87a specifications. Qualification testing includes meeting the requirements of EUROCAE ED-30, Edition 2, “Minimum Performance Standards for Airborne Low Range Radar Altimeter Equipment,” as modified by Appendix 1 of the TSO.

Product Specifications
Model NumberAV-601
Application Airborne Low Range Radar Altimeter
Frequency 4200-4400 MHz
VSWR1.5:1 Max (4275-4325 MHz)
2.3:1 Max (4200-4400 MHz)
Radiation PatternRoll Plane(E): 45° min.
Beam WidthsPitch Plane (H): 40° min.
Impedance50 Ohms
Gain9.5 dBi
Isolation H-Plane16″ – 80 dB
20″ – 88 dB
30″ – 90 dB
36″ – 95 dB
RF Power Capacity5 watts avg./500 watts max.
Side Lobe Level-40 dB
Lightning ProtectionDC Grounded
ConnectorTNC Female
Max Height.14″
Max Weight0.25 lb. (113g)
FinishSkydrol-resistant polyurethane enamel
Mesh Gasket3.50″ X 3.65″ X 0.02″
Support Documents
FAA TSO AuthorizationView
Install InstructionsView
Environmental Qualification FormView