Miscellaneous and non-defense topics > Airports and Civil Aviation

Primary and Secondary Search Radars @ PH airports

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I am trying to look for the pertinent papers covering the deal, sir A, but from what i do remember from the deal, the radar in Clark was already specified from the start to serve a dual role both as Nav radar, and in a PADIZ role. unfortunately, my father-in-law's records from that year is a mess!

@doc, @chiefA -- re. the atc radars in clark, I recall this was discussed a bit in the old forum and iirc @doc mentioned either atcr33 (s-band atc psr) or atcr44 (l-band atc psr), I don't quite remember which one of the two was mentioned in the old forum...

the financial statements of clark airport as well as news articles about the project also point to Selex (now Leonardo) as the supplier:




given the ranges cited in the news articles at 220 nm and comparing to the product catalogs, I'ld guess it's the atcr44 (since the -33 is rated at 100 nm whereas the -44 is rated at 220 nm, while otoh their SSR product SIR-S is rated at 256 nm)...

Nice guys. IIRC, a foreign news report cited an atcr33. But the specs don't line up, they could have upgraded the system.

Given that the NAIA radar system is kilometers away from the airport, it'll be interesting to see where Clark's system is

^fwiw @chief, in the old 2007 selex atcr33 catalog they did offer 3 power transmitter configurations, ranging from 8 to 32 modules with corresponding transmit power ranges of 9.5 to 35 kW... though a change in range from 100 nm to 220 nm would require something on the order of a 23x increase in transmit power (from the 4th root relationship of peak power to range) if that was the only change being done... but fwiw the old catalog at least does show upgrades of various types are/were available...


as to the location, since this was a project completed back in 2007 I suppose google maps imagery is updated... so this could be the location of the radome (well at least it appears to be the only large radome I could see in google maps around the clark airport area):


from the map it appears that particular large radome is around a little over 2 km from the main building complex...


MANILA, Philippines The Civil Aviation Authority of the Philippines (CAAP) has completed a P159.9-million ($3.59-million) air traffic management system upgrade, replacing the old Eurocat system implemented in 1996 at the Ninoy Aquino International Airport (NAIA).

The upgrade is needed to ensure stable and efficient traffic over Philippine airspace until the NAIA completely transitions to the P13-billion ($292.13 million), next-generation satellite-based Communications, Navigation, Surveillance / Air Traffic Management (CNS/ATM) project.

The system is a computerized air traffic control and management solution. It controls en route, over flights, arriving, and departing air traffic within a range of 250 nautical miles.

Thales Australia and Pacific Hemisphere were the partners for the project.


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