A Republic of Singapore Air Force Gulfstream G550CAEW | |
| Country of origin | Israel |
|---|---|
| Manufacturer | IAI /Elta |
| Type | conformal array radar |
TheEL/W-2085 is anairborne early warning and control (AEW&C) multi-bandradar system developed byIsrael Aerospace Industries (IAI) andElta Electronics Industries ofIsrael. Its primary objective is to provide intelligence to maintainair superiority and conductsurveillance. The system is currently in-service withIsrael, Italy, andSingapore.
The EL/W-2085 was developed from the single-bandEL/M-2075 "Phalcon" system.
Instead of using arotodome, a movingradar found on some AEW&C aircraft, the EL/W-2085 uses anactive electronically scanned array (AESA) – an activephased array radar. This radar consists of an array of transmit/receive (T/R) modules that allow a beam to be electronically steered, making a physically rotating rotodome unnecessary. AESA radars operate on a pseudorandom set of frequencies and also have very short scanning rates, which makes them difficult todetect andjam. Up to 1000 targets can be tracked simultaneously to a range of 243 nmi (450 km), while at the same time, multitudes of air-to-air interceptions or air-to-surface (includes maritime) attacks can be guided simultaneously. The radar equipment of the Israeli CAEW consists of each one L-band radar left and right sides on the fuselage and each one S-band antenna in nose and tail. The phased array allows positions of aircraft on operator screens to be updated every 2–4 seconds, rather than every 10 seconds as is the case on the rotodome AWACS.[1]
In 2005, theIsraeli Air Force purchased fiveGulfstream G550-basedEitam aircraft to serve as the newIDF platform for its newer generation of AEW systems.[2] The new aircraft use the EL/W-2085 dual-band sensor suite, and are more capable and less expensive to operate than the olderBoeing 707-basedEL/M-2075.[3] Extensive modifications were made to the Gulfstream's fuselage by IAI, such as the addition of protrudingcompositeradomes, to house the radar arrays in conformal body modifications. Based atNevatim Airbase.[4]
In 2007, four similar G550-EL/W-2085 aircraft were purchased by theRepublic of Singapore Air Force to replace its upgradedE-2C Hawkeyes. The new G550 aircraft entered service on 13 April 2012.[5]
Italy initially purchased two G550-EL/W-2085 aircraft in 2011 and ordered two more in 2022.[6]
In 2018, the U.S. Navy accepted delivery of a G550-EL/W-2085 intended to be further modified by Raytheon to become the NC-37B.[7][8][9]