ACLS Radar Beacon

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AAN/N/AAPPNN--224455 ACLS Radar Beacon Sierra Nevada Corporation’s (SNC) Automatic Carrier Landing System (ACLS) Beacon is the primary airborne component of the AN/SPN-46(V) precision approach landing system (PALS) – the only fully automated, all weather approach landing aid for carrier aircraft. The AN/APN-245 is a form, fit, function replacement for the AN/APN-202, with improved performance. The ACLS Radar Beacon enables long-range acquisition and precision guidance of equipped aircraft to the carrier deck in all weather conditions by providing a high-power, fixed, “point source” radar return that eliminates radar scintillation noise. ACLS Radar Beacon AAN/N/AAPPNN--224455 ACLS Radar Beacon Features Description • Form/ fit /functional replacement for the ACLS Beacon Airborne component APN-202 beacon set • Closed Loop Architecture • In production • Range: 10+ nmi • ID/IQ contract in place • Final Approach to Landing • Proven to increase boarding rate • Receive Frequency Beacon: Ka-Band • Currently operational on F/A-18 E/F/G • Transmit Frequency Beacon: X-Band platforms • Meets all requirements in NAWCAD Code 4.5.8.1 • Capable of adaptation to other airborne performance specifications 43603-00404 and platforms interface design specification 43603-00408 • Mission essential item for carrier landing operations AN/APN-245 System offers significant • Logistics support in place performance improvements • Improved detection and tracking in rain • Point source improves tracking accuracy ACLS Radar Beacon versus skin tracking • AGC supports dual channel tracking of SPN-46 • Delay stability ± 10ns from -40° to +85° ambient temp. • 1dB ± 0.1dB modulation replication accuracy from -40° to +85° Beacon system operates in a cross-band mode, receiving interrogations at Ka-band and replying at X-band • Beacon system imposes modulation Receiver Transmitter present on Ka interrogations on the X-band replies • The AN/SPN-46 system uses the modulation proportional to the boresite error, to close the angle tracking loop For further information contact: • Beacon system maintains a fixed delay CNS/ATM Business Development between the Ka interrogation and the Tel: 775-331-0222 X-band reply Email: [email protected] • Supports A/C lateral landing dispersion of Visit our web site at www.sncorp.com less than five feet NAVAIR Public Release SPR 2013-461 Distribution Statement A - Approved for public release; distribution is unlimited. SIERRA NEVADA CORPORATION • 444 SALOMON CIRCLE • SPARKS, NV 89434-9651 • PHONE (775) 331-0222 • FAX (775) 331-0370 SIERRA NEVADA CORPORATION • 444 SALOMON CIRCLE • SPARKS, NV 89434-9651 • PHONE (775) 331-0222 • FAX (775) 331-0370 DATA CONTAINED WITHIN THIS DOCUMENT ARE SUBJECT TO CHANGE AT ANY TIME AT SNC’S DISCRETION. DATA CONTAINED WITHIN THIS DOCUMENT ARE SUBJECT TO CHANGE AT ANY TIME AT SNC’S DISCRETION..

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