Install Manual
Preliminary
SKY899
Installation Manual
1-3
Rev. A
Major differences between SKYWATCH and SKYWATCH HP are listed below:
Category
SKY497 SKY899
• Active ATCRBS Display Range
6 nmi display range 15 nmi display range
• Active ATCRBS Surveillance Range
11 nmi surveillance range 35 nmi surveillance range
• Active ATCRBS Interrogation Power
Low-power interrogations High-power interrogations
• Number of Whisper-Shout Steps
4 Whisper-Shout steps 7 Whisper-Shout steps
• Active ATCRBS Interference Limiting
No interference limiting TCAS I for TAS interference limiting
• ADS-B Surveillance
None ADS-B surveillance range 50 nmi
• Performance
Single-sensor target tracking Multisensor target tracking
• Closure Rate
900 kn closure rate 1200 kn closure rate
• Antenna Configurations
Single directional antenna Multiple antenna configurations via
external ASU (future option)
• Aircraft Power Input
11 V dc to 34 V dc 18 V dc to 32 V dc
• Stepper Compass Input
Accepts stepper compass input Will not accept stepper compass input
• Radio Altitude Input
Accepts only ARINC 429 radio
altitude
Accepts both analog and ARINC 429
radio altitude
• Display Ranges (WX-1000 CDU)
2 nmi and 6 nmi 2 nmi, 6 nmi, and 15 nmi
• Installation Configuration Data
Connector configuration pins System configuration module
• Vertical Display Modes
Normal, Above, & Below ±9,000
ft
Normal, Above, Below & Unrestricted
±9,900 ft