The Ryan TCAD: Features Comparison Chart —
Supplement to "Collision Avoidance on a Budget"

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A special supplement to Carl Marbach's review of the Ryan TCAD.

Characteristics 8800Silver 8800Gold 9900 9900A 9900B
Mounting style Panel Panel Remote Remote Remote
Display Integral Integral 3 ATI 3 ATI 3 ATI
Display type VF VF LED LED LED
Upgradable To Gold 8800 to 9900 A/B To 9900 B Yes
Top & bottom antenna Yes Yes Yes Yes Yes
Antenna type L-band L-band L-band L-band Directional
Number of receivers 2 2 2 2 4
Moving map interface No No No No Yes
Tracks 50+ threats Yes Yes Yes Yes Yes
No. of threats displayed 3 3 3 3 3
Display format Profile Profile Profile Profile Profile and
Plan View*
*w/Argus
Number of shields 3
G,T,E
4
G,T,E,U
5
G,T,S,E,U
5
G,T,S,E,U
5
G,T,S,E,U
G = Ground Mode, T = Terminal Mode, E = Enroute Mode, S = Standard Mode, U = Unrestricted Mode
Dynamic shields Yes Yes Yes Yes Yes
Pilot adjustable shield sizes No No No Yes Yes
Annunciation Tone Tone Tone Tone & voice Tone & voice
Modes
Shield Sizes
8800 Silver 8800 Gold 9900 9900 A 9900 B
Ground Yes Yes Yes Yes Yes
Terminal +- 500 ft
1.5 inm
+- 500 ft
1.5 inm
+- 500 ft
1.0 inm
Variable Variable
Standard No No +- 1000 ft
2 inm
Variable Variable
Enroute +- 2000 ft
3 inm
+- 2000 ft
3 inm
+- 2000 ft
3 inm
Variable up to +- 2000 ft/6 inm Variable up to +- 2000 ft/6 inm
Unlimited No +- 5000 ft
3 inm
+- 5000 ft
3 inm
+- 10,000 ft
6 inm
+- 10,000 ft
6 inm
Mode transition Automatic Automatic Automatic Automatic Automatic
Approach mode No No No Yes Yes
Displays 8800 Silver 8800 Gold 9900 9900 A 9900 B
Unlimited No Yes Yes Yes Yes
Altitude Separation Yes Yes Yes Yes Yes
Altitude Trend Yes Yes Yes Yes Yes
Range Yes Yes Yes Yes Yes
Bearing to Threat No No No No Yes
Threat Transponder Type No Yes Yes Yes Yes
Threat Transponder Code No Yes Yes Yes Yes
Threat N#
(Mode S)
No Yes Yes Yes Yes
Host Aircraft MSL Yes Yes Yes Yes Yes
Threat Aircraft MSL No Yes Yes Yes Yes
Altitude Alerting No Yes Yes Yes Yes
Yoke Mount Mute Yes Yes Yes Yes Yes
Remote Annunciator Light Yes Yes Yes Yes Yes