Altitude Preselect System APS4A

Altitude Preselect System APS4A

The Altitude Preselect System APS4A is intended to be used as an interface between Air Data Display or Primary Flight Display (e. g. Thommen AD30- and AD32-Family, Garmin G600, Aspen EFD 1000) with alerter function and a variety of existing autopilot systems to supply altitude preselect- and hold-function. The system is mainly designed for retrofit installation and consists of a small lightweight interface box and an optional altitude preselect indicator/switch.

General

The Altitude Preselect System APS4A, P/N: AS01-ALTPRE-00, is intended to be used as an interface for Air Data Displays or Primary Flight Displays with alerter function, and a variety of existing Autopilot Systems to supply Altitude Preselect- and Hold-Function:

  • ARC (Cessna) 400B
  • ARC (Cessna) 800B
  • ARC (Cessna) 1000
  • Century 4
  • Century 41
  • Century 2000
  • Collins AP106
  • Bendix King KFC 200
  • Bendix King KFC 250
  • Bendix King KFC 300
  • M4D
  • S-TEC System 30
  • S-TEC System 50
  • S-TEC System 55
  • S-TEC System 55X
  • S-TEC System 60
  • S-TEC System 65

The System is mainly designed for retrofit installation and consists of a small lightweight interface box, the Altitude Preselect Interface Box P/N: AS02-ALTPIB-()() and an Altitude Preselect Indicator/Switch.

Operation:

Select desired altitude on Air Data Display or PFD and then enable Altitude Alerter function. Press Altitude Preselect Switch, lower ARMED-indication field is lighted blue. Altitude Preselect Mode is now engaged. When the preselected altitude is reached, the system automatically activates the Altitude Hold-Mode at this altitude. The ARMED-annunciation extinguishes and the ALT-indication within the AP system is ON.

 

Download Datasheet APS4A