Sandel SA4550

Description

The SA4550 Primary Attitude Display upgrades electromechanical ADIs to an LED-backlit display with pilot configurable single or dual-cue flight director command bars, and a glideslope/localizer deviation scale. These convenience features include a fast/slow indicator and mode annunciations to make flying easier and safer. A pilot-selectable single-cue/split-cue display option is also available. For ease of installation, it is plug compatible with various Sperry, Collins and King indicators. The SA4550 accepts input from existing sensors to provide a clear, reliable depiction of the aircraft's attitude in pitch and roll. Along with Sandel's patented bright, high-contrast display?the same technology used in military aircraft?you get unmatched readability in any lighting, while eliminating the high maintenance costs and potential for failure associated with older electromechanical units.

Specifications

• Weight: 3.4 lb. (1.54 kg)
• Lenght: 7.82 in. (19.86 cm) from back of bezel (Sperry AD-550 retrofit version)
• Lenght: 7.51 in. (19.08 cm) from back of bezel (Sperry AD-600 and AD-650 retrofit versions)
• Body: 3.975 in. x 3.975 in. (10.084 cm x 10.084 cm)
• Bezel: 4.060 in. x 4.060 in. (10.312 cm x 10.312 cm)
• Display: LED Backlit
• NVIS Mode: Class B compatible per MIL-STD-3009
• Power: 20-33 VDC
• Requirements: 28 VDC @ 1.4A (40W) nominal
• Cooling Requirements: Internal fan requiring ambient air at fan input
• Mounting: Standard 4-ATI panel cutout with clamp and Sperry compatible connectors. Bezel adapters available for mounting in 4x5 and 5x5 panel cutouts
• Operating Requirements: -20 C. to +70 C. (+55,000 ft. max. altitude)
• Certification Basis:
  • TSO-C113, Airborne Multipurpose Electronic Displays
  • TSO-C3d, Turn and Slip Instruments
  • TSO-C4c, Bank and Pitch Instruments
  • TSO-C34e, ILS Glide Slope Receiving Equipment
  • TSO-C36e, Airborne ILS Localizer Receiving Equipment
  • TSO-C52b, Flight Director Equipment
  • EASA ETSO, 2C34F, 2C36F, C113, C3d, C4c, C52b
  • DO-160E, Env. Cat. [A2F1Z]BBB[HR]XXXXXXZZAZ[ZW][WW]M[A3G33] XXAX
  • DO-178B, Software, Attitude Level A, Guidance and Annunciators Level C
  • DO-254, Hardware, Attitude Level A, Guidance and Annunciators Level C
• Interfaces Attitude: Remote XYZ synchro (ARINC 407) for pitch and roll, ARINC 429*
• Attitude Comparator: Analog
• Flight Director: Analog
• Glidescope/LOC: Analog
• Fast/Slow: Analog
• Radar Altimeter: ARINC 552, Sperry and Collins
• Annunciators: Discrete