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Merlin Kit

Merlin Kit: $2,199.00      


Angle of Attack Indicator, for precise and instantaneous lift alerts for your aircraft. Multi display kits available. Call or email for more information.






The Merlin kit has a horizontal light bar style display. With the Merlin display, when you come in for a landing you want to fly to the blue LED (on speed for landing). Should you come in with too low an angle of attack, the display will lit into the yellow, telling you to put your nose up. Should you come in with too high an angle of attack, the display will be lit into the red, telling you to put your nose down.


  • Instantaneous Angle of Attack indication.
  • Three point calibration process, programmed on remote switch panel, to aircraft specific lift curve.
  • 16 different LED brightness levels from ultra dim to very bright.
  • Display has an imbedded photocell for daytime/nighttime brightness settings, choice of which is programmed at the display.
  • Audio output, tied to existing audio input on audio panel by others.
  • 4 different audio options to choose from which is programmed by the end user at the remote switch panel.
  • Audio mute switch with amber LED indicator located on remote switch panel.
  • 12-28 VDC input draws less than 0.250 Amps at full brightness.

Standard Kit Product #: DSTR-AOA-9900K


  • Merlin Display

  • Switch Panel Module

  • I/F Module

  • Non Heated Standard Probe

  • Probe Mounting Plate

  • Fixed Mount

  • Power Cable

  • Display Extension Cable

  • AUX Cable

  • Switch Panel Extension Cable

  • 25 ft Blue Pneumatic Hose

  • 25 ft White Pneumatic Hose

  • Merlin Installation Manual

  • Merlin Operations Manual

  • Protractor

  • Probe Cover

  • Screwdriver



Complete Kit Weight Less than 3.00 lbs. Click here for full list.
AOA Interface Module size In Inches: 5.75 x 2.60 x 1.65
System Voltage Requirements 12 - 28 Volts DC
System Max Power Draw 0.250 Amps
System Power Cable 6 ft, three wires: power, ground and shield
Heated Probe Voltage Requirements 12 or 24 VDC (must specify when ordering)
Heated Probe Power Draw 86 Watts at 12VDC / 172 Watts at 24VDC
Heated Probe Current Draw 8 Amps at 12VDC and 8 Amps at 24VDC
Heated Probe Power Wire Supplied by others
Audio Output 1 Volt P-P max at 300 ohm input impedance
Aux (Audio) Cable 6 ft, three wires: AP audio, AP ground and shield
Audio Options Four
Mute Switch Yes, on switch panel.
LED Brightness Levels 16, from ultra dim to very bright
Photocell Diode On display, allows for custom daytime/nighttime brightness settings
Pressurized Version No. Pressurized version available here.


Installation Manual Rev BA Download
Operations Manual Rev BA Download
Quick Calibration Guide Download
Calibration Failures Guide Download


Standard Connection Diagram Download
Display Dimensions Download
Increasing AOA Diagram Download
Display Segment Transitions Download




Merlin Display Segments

Merlin Display Segments