Narco's Mark 12D/R Directly Replaces the Famous MARK 12,
MARK 12A and the MARK 12B and Features:

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

* 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 or LED's)

* "Keep-Alive" Active Frequency Memory Option

* Automatic Display Dimming

* Available in 14V or 28V Versions

* Totally Self-Contained

* Made in the U.S.A.

Performance Specifications:

General

Dimensions

Width: 6.16" (156.5mm)

Height: 3.03" (76.96mm)

Depth: 11.69" (296.93mm)

Weight

NAV/COM: 5.8 lbs. (2.64kg)

Power Requirements

13.75 VDC

Receive: 1.0 amp

Transmit: 4.3 amps

27.5 VDC

Receive: 0.5 amp

Transmit: 2.8 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 Typical

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 mW into 300 ohms

VOR Accuracy: 1.0 Degrees

LOC Accuracy: +5 ua

TSO Compliance:

VOR Receiver: C40b

Localizer: C36C Class C

Glideslope/DME Channeling

2/5 or 2/11