Garmin GNC300XL
GPS/COMM SYSTEM
Today's GARMIN GNC 300XL TSO takes its place with other navigation and communication pioneers, combining a powerful 12 parallel channel receiver with a 760 channel VHF transceiver with a C129a, A1 IFR certified moving map GPS/comm. This marries two of GARMIN's product development strengths: crisp, high-detail moving map technology and GARMIN's legacy of proven, approach-certified IFR GPS receivers.
The GNC 300XL TSO's Moving Map is exceptionally sharp, with the familiar yellow- on-black DSTN (doublesuper twist nematic) LCD display that won rave reviews in the VFR-only GPS 150XL and GNC 250XL. Individual pixels in these displays are transparent to the viewer, and SUAs actually appear as curved rings, with easily distinguishable alphanumeric characters and a high-resolution display that's readable from every angle in all lighting conditions. A photocell in the display automatically controls the intensity of the backlight and will reverse the display from black-on-yellow to yellow-on-black for maximum contrast in daylight or nighttime viewing. Aviators can also choose to make these adjustments manually depending on their individual preferences.
Jeppesen Database
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Coverage: Americas, International or Worldwide
Airports: Identifier, city/state, country, facility name, lat/long, elevation, fuel service, frequencies, approach information, runway information
VORs: Identifier, city/state, country, facility name, lat/long, freq., co-located DME (or TACAN), magnetic variation, weather broadcast indication
NDBs: Identifier, city/state, country, facility name, lat/long, freq., weather broadcast indication
Intersections: Identifier, region, country, lat/long, nearest VOR
Comm Freq.: Approach, arrival, control area, departure, Class B, Class C, TMA, TRSA with sector, altitude and text usage; also ATIS, clearance delivery, tower, ground, unicom, pre-taxi
Runways: Designation, length, surface, lighting, ILS/localizer freq. and ID, pilot controlled lighting freq.
FSS/ARTCC: Identifier, reference VOR (FSS only), freq., usage
MSA: Minimum safe altitude along and in proximity to user-defined flight plan
Approaches: Non-Precision GPS overlay, and GPS only approaches
SIDs/STARs: Contain all pilot-nav SIDs/Stars
SUA: US Class B & C with sectors, Int. CTA & TMA with sectors, all SUAs, including MOAs, prohibited and restricted w/ frequencies by sector
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Performance
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Certification: TSO C37d Class 4 (VHF Transmitter), TSO C38d Class C (VHF Receiver), TSO C129a, Class A1 (en route, terminal and approach)
VHF Transceiver: 760-channel, aviation band 118-136.975 MHz, 5 watt minimum transmitter power
Receiver:PhaseTrac12TM, 12 parallel channel receiver, simultaneously tracks and uses up to 12 satellites
Acquisition Time: 15 seconds (warm), 45 seconds (cold)
Update Rate: 1/second, continuous
Accuracy:
Position: 15 meters (49 feet) RMS*
Velocity: 0.1 knot RMS steady state /li>
Dynamics:
Velocity: 999 knots
Acceleration: 6G
Comm Features: Auto squelch control, standard headset output with sidetone and audio leveling, stuck mike transmission timeout, emergency channel select, 'autotune' frequency selection from database card
Navigation Features: Search and Rescue Operation (ladder search), pilot-defined course selection and waypoint hold, Closest Point of Approach, dep. & arr. frequencies
Planning Features: True Airspeed, Density Altitude, Winds Aloft, RAIM Availability, Sunrise/Sunset Calculations, Trip, Fuel and VNAV Planning
Interfaces:ARINC 429, RS232, Plotting (NMEA 0183 v.2.0), Aviation, PC Interface, Altitude Serializer, FuelSensor, Fuel/Air Data Computer,Gray Code,Serial Data
Map Datums: 124 and 1 user-defined (Stored on NavData® Card)
Temperature:
Operating:-20ºC to +70ºC (-4ºF to +158ºF)
Storage: -55ºC to +85ºC (-67ºF to +185ºF)
Humidity: 95% non-condensing
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Physical Specification
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Size:
Unit: 6.25 x 5.8 x 2 inches 159 x 147 x 51 mm
Rack: 6.32 x 5.64 x 2 inches 161 x 143 x 51 mm
Weight:
Unit: 41 ounces 1.16 kg
Rack: 11 ounces (0.31 kg)
Display: 80 x 240 double super twist nematic with six times the contrast of typical DSTN displays. Automatic contrast adjustment with reverse display mode for exceptional readability in direct sunlight or at night.
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Power
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Source: 10-15 VDC, optional remote rechargeable battery, 115-230 VAC with optional AC adapter for GPS simulator operation
Remote Battery Life (optional): Up to 2 hours with screen time out enabled
Data Storage: Internal battery retains stored data up to 5 years
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Navigation Features
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Waypoints: 1000 user-defined
Flight Plans: 20 reversible routes of up to 31 waypoints each
Comments: Storage for comments on up to 250 waypoints
Checklists: 9 user checklists of up to 30 items each
Messages: 9 scheduled user messages
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Safety
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Emergency Search: 9 nearest airports, VORs, NDBs, intersections, or user waypoints; 2 nearest FSS with frequencies; 2 nearest ARTCC frequencies
Power Backup:Optional NiCad battery pack automatically powers unit in case of electric power failure
Alarms: Arrival, proximity, timers, SUAs less than 10 minutes, 2NM and inside SUA
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Components
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Standard:
GNC 300XL TSO GPS/Comm
NavData® card
Aviation Installation Kit, GPS Antenna, Rack and Connectors
3/32" Hex Wrench
Pilot's Guide
Quick reference card
Database subscription packet
Optional:
Remote NiCad Battery/Charger Pack
115/230 VAC Adapter
Personal computer kit
User data card
28 to 14 VDC converter
Page Last Modified: 9/28/98