Narco's Mark 12D NAV/COM Features:

* Directly Replaces the NAV/COM Series (RT 308 through RT 328C)

* 100% Solid State m TSO'D Reliability, Microprocessor Controlled

* Simultaneous Display of Active and Standby Frequencies

* "Flip-Flop" Transfer of both Active and Standby Frequencies

* Professional-Style Gas-Discharge Digital Readouts (Not LCD's)

* Automatic Display Dimming

* "Keep-Alive" Active Frequency Memory Option

* Available in 14Volt Configuration (will operate at 28 volts as installation

dictates)

* Self-Contained

* Made in the USA

Performance Specifications:

General

Dimensions

Width: 6.25" (158.8mm)

Height: 3.00" (76.2mm)

Depth: 10.60" (269.24mm)

Weight

NAV/COM: 4.5 lbs. (2.05kg)

Power Requirements

13.75 VDC

Receive: 1.0 amp

Transmit: 4.3 amps

COM Section

Transmitter

Frequency Range: 118.00 to 136.975 Mhz (760 Channels)

Power Output: 8 watts (nominal)

TSO Compliance: C37c Class IV

Receiver

Sensitivity: 1.0 uV

Audio Output

Speaker: 10 watts (minimum)

Headphones: 50 mW (minimum) into 300 ohms

TSO Compliance: C38c Class C

NAV Section

VOR/LOC Receiver

Frequency Range: 108.00 to 117.95 Mhz (200 Channels)

Sensitivity: 1.0 uV

Audio Output: 50 mV into 300 ohms

VOR Accuracy: 1.0 Degrees

LOC Accuracy: +5 ua

TSO Compliance: (VOR Receiver) C40b

(Localizer) C36C Class C

Glideslope/DME Channeling