JED - February 2017 - 29

have received the first of five EP-3 ferret variants of the Kawasaki-built P-3C
maritime patrol airframe (tail numbers
9171 through 9175 inclusive) during
1991. Externally characterized by large
sized dorsal (three including a satellite
communications antenna housing) and
ventral (two) radomes, the EP-3 is operated by the Service's Iwakuni-based
81 Kokutai, and is understood to have
been equipped with a baseline mission suite that covered the 30 MHz- to
18/20 GHz-band and which was jointly
developed by contractors NEC (low band
sub-system) and Mitsubishi (high band
sub-system). Again, the designations
NH/LR-107 and NH/LR-108 have been
associated with these two configurations (with the specific nomenclatureband coverage relationship remaining
unclear). The type is said to have accommodation for a crew of 23 and to be
both SIGINT and telemetry intelligence
(TELINT) capable. Of the five, aircraft
9174 appears to have been written-off
in a ground accident during February 2014. Within the 81 Kokutai (also
known as VQ-81), the EP-3 is partnered
with four OP-3C multi-sensor "special

projects" aircraft. Here, both the EP-3
and the OP-3C are fitted with a similarly
shaped radome beneath their forward
fuselages.
For its part, the JASDF's Iruma-based
Denshi Hiko Sokuteitai (Electronic
Intelligence Flight) operates a quartet
(tail numbers 82-1155, 92-1157, 02-1159
and 12-1161) of YS-11EB SIGINT aircraft.
Here, the "EB" configuration is externally characterized by an array of dorsal and ventral radomes together with
what appears to be an auxiliary power
unit housing that is scabbed onto the
starboard side of the aircraft's rear
fuselage. Circa 2000, the YS-11EB was
the subject of an upgrade that is understood to have included the introduction
of a satellite communications capability and, over time, the type has been
associated with the Toshiba J/ALR-1 and
Mitsubishi J/ALR-2 mission systems.
Again, the YS-11EB is said to have been
involved in Japanese monitoring of SinoRussian land, sea and air activity in the
northwest Pacific and the Sea of Japan
and is understood to have been used to
monitor North Korean missile tests. This
latter tasking suggests that the "EB"

has a TELINT capability in addition to
its core SIGINT role. It should also be
noted that, over time, the JASDF has also
acquired Thales' ASTAC ELINT pod for use
aboard its RF-4EJ/-4EJ reconnaissance
aircraft. In Japanese service, this capability is known as the Tactical Electronic
Reconnaissance (TACER) system, with
Mitsubishi having acted as the national
prime contractor on the effort.

SOUTH KOREA
The remaining confirmed member
of the Pacific airborne SIGINT club is
the Republic of Korea whose air force
operates a quartet of Hawker 800SIG
(also known as the RC-800 and bearing
the tail numbers 58-342, 58-351, 58-352
and 58-357) that were acquired under
the Peace Pioneer/Baekdu program. As
such, the Hawker 800SIG is externally
characterized by equipment fairings
beneath its forward fuselage and tail
assembly and, as originally supplied,
was equipped with an E-Systems (today's L-3 Technologies Mission Integration business unit) - developed mission
suite that incorporated communications and electronic intelligence capa-

The Journal of Electronic Defense | February 2017

An in-flight view of a Russian Tu-214R SIGINT aircraft that was caught on camera by the JASDF during December 2012. (Japanese MOD)

29



JED - February 2017

Table of Contents for the Digital Edition of JED - February 2017

The View From Here
Conferences Calendar
Courses Calendar
From the President
The Monitor
World Report
Asia-Pacific SIGINT Programs
Technology Survey: Analog-to-Digital Converters
Operator 101
EW 101
AOC News
Index of Advertisers
JED Quick LookThe
JED - February 2017 - cover1
JED - February 2017 - cover2
JED - February 2017 - 3
JED - February 2017 - 4
JED - February 2017 - 5
JED - February 2017 - The View From Here
JED - February 2017 - 7
JED - February 2017 - Conferences Calendar
JED - February 2017 - 9
JED - February 2017 - Courses Calendar
JED - February 2017 - 11
JED - February 2017 - From the President
JED - February 2017 - 13
JED - February 2017 - 14
JED - February 2017 - The Monitor
JED - February 2017 - insert1
JED - February 2017 - insert2
JED - February 2017 - 16
JED - February 2017 - 17
JED - February 2017 - 18
JED - February 2017 - 19
JED - February 2017 - 20
JED - February 2017 - 21
JED - February 2017 - World Report
JED - February 2017 - 23
JED - February 2017 - Asia-Pacific SIGINT Programs
JED - February 2017 - 25
JED - February 2017 - 26
JED - February 2017 - 27
JED - February 2017 - 28
JED - February 2017 - 29
JED - February 2017 - 30
JED - February 2017 - 31
JED - February 2017 - Technology Survey: Analog-to-Digital Converters
JED - February 2017 - 33
JED - February 2017 - 34
JED - February 2017 - 35
JED - February 2017 - 36
JED - February 2017 - 37
JED - February 2017 - 38
JED - February 2017 - 39
JED - February 2017 - 40
JED - February 2017 - Operator 101
JED - February 2017 - 42
JED - February 2017 - 43
JED - February 2017 - EW 101
JED - February 2017 - 45
JED - February 2017 - AOC News
JED - February 2017 - 47
JED - February 2017 - 48
JED - February 2017 - Index of Advertisers
JED - February 2017 - JED Quick LookThe
JED - February 2017 - cover3
JED - February 2017 - cover4
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