DDS - Digital Data Set

Product Information


The Digital Data Set (DDS), AN\AYH-5(V) has been adopted as the US Navy standard Digital Data Set for the T-45A/C Goshawk Flight Trainer aircraft. The DDS consolidates the Airborne Video Cassette Recorder (AVCR), Mission Data Loader (MDL) AN/ASQ-215, and Airborne Data Recorder (ADR)/Signal Data Computer (SDC)/Advanced Signal Data computer into a single unit. The US Navy PMA-209 Terrain Awareness Warning System software is fully integraded in the DDS. The DDS also complies with MFOQA download requirements. It consists of three components, the Data Acquisition Unit (DAU), the cockpit-mounted intelligent Control Panel (CP) with ED-112 Certified Crash Survivable Memory Unit (CSMU), and a hand-carried non-volatile solid-state data storage device known as the Removable Memory Unit (RMU).

The DAU provides the core processing, I/O, and internal memory storage to support Video/Audio/Data recording, Mission Data Loading, Wireless, and Terrain Awareness and Warning System functionality.

The CP manages and controls the data exchange between the RMUs and other avionics subsystems via the aircraft’s Ethernet, RS422, and MIL-STD-1553 multiplex databus. The RMU serves as the transportable storage medium for both pre- and post-mission information exchange between ground station computers and the airborne system.

DDS - Manufactured under U.S. Patents 6,137,912; 6,167,155; 6,487,312; other Patents Pending


Data Acquisition Unit (DAU) MO-24/AYH-5(V)

  • 128GB Internal non-volatile memory
  • 2 channels Video (standard definition)
  • 4 channels Audio
  • 24 analog sensor data acquisition and recording
  • 16 discrete sensor data acquisition and recording
  • Engine monitoring data recording
  • 8 discrete outputs for airborne system warnings/errors
  • Gigabit Ethernet
  • 3 channels MIL-STD-1553B
  • TAWS interface for aural and visual warnings
  • LAWS/TAWS audio selection and amplification
  • IEEE 802.11i security enabled for wireless link
  • 1 Gbps wireless data throughput – 20 aircraft can be served simultaneously
  • Support for up to 20,000 wireless sensors
  • Size: 10 x 6 x 7 in.
  • Weight: 17.8 lb
  • Power consumption: 50 W maximum
  • MTBF: 14,000 hours
  • RS-422 interface for Light Weight Data Transfer Unit (LDTU) and Multifunction Transfer Unit (MTU)

Removable Memory Unit (RMU)

  • 32 GB with expansion up to 64 GB
  • USB interface
  • Ruggedized

Control Panel (CP) C-12790\AYH-5(V)

  • 8 GB Crash Survivable Memory Unit, ED-112 Certified
  • Menu driven control features with Night Vision Capable push buttons
  • BIT information display
  • Data download (Video/Audio + Airborne data for maintainers)
  • Mission data upload
  • Size: 5.86 x 5.86 x 8.31 in.
  • Weight: 11.3 lb
  • MTBF: 384,448 hours
  • Power consumption: 5 W maximum


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