The Altitude Indicator A-034-4-8 is a pointer-type height indicator used as part of the A-037 radio altimeter system to display the true altitude of an aircraft above terrain or water.

A member of the standardized A-034-4 series, the A-034-4-8 is structurally identical to other indicators in the family and differs only in display range and scale graduation.
This variant supports altitude indication from 0 to 1000 meters, making it suitable for low-, mid- and extended low-altitude flight operation profiles.

The scale is divided into three measurement zones to provide precise low-altitude perception and simplified interpretation at higher elevations:
— 0–20 m – 5 m increments
— 20–100 m – 10 m increments
— 100–1000 m – 100 m increments

The indicator includes a danger altitude adjustment sector, an integrated warning lamp and a drop-out blinker flag, which activates when the altimeter becomes inoperative or loses ground reflection.

A TEST push button on the front panel enables cockpit verification:
a functioning system moves the pointer to a control reference, while absence of movement results in blinker deployment.

The A-034-4-8 is installed on the cockpit instrument panel and operates in conjunction with A-037-1 series transceiversand system antennas.

Alternate / Alternative designations:
A-034-4-8, A034-4-8, 1000 m indicator, A-037 height indicator

Product Name: Altitude Indicator
Designation: A-034-4-8
Product Type: Pointer-type altitude display
System Application: A-037 radio altimeter
Altitude Measurement Range: 0–1000 m
Scale Division 0–20 m: 5 m
Scale Division 20–100 m: 10 m
Scale Division 100–1000 m: 100 m
Danger Altitude Setting: Sector on scale with selector
Danger Warning: Integrated yellow lamp
Fault Indication: Drop-out blinker flag
Test Function: TEST push-button
Display Method: Analog pointer scale
Installation Location: Cockpit instrument panel
Compatible Transceivers: A-037-1A / 1B / 1V / 1G
Power Source: Via aircraft radio altimeter electronics
System Frequency Band: 4200–4400 MHz
Construction: Rugged aviation-grade
Condition: As applicable
Documentation: Available on request

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Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.