Navies Worldwide Invest In Sea-Based Airpower
By Andy Nativi, Jay Menon, Bill Sweetman
Source: Defense Technology International
April 01, 2012
Andy Nativi•Genoa, jay Menon•New Delhi and Bill Sweetman•Washington
Not that long ago, the number of nations wielding sea-based airpower 
seemed to be headed inexorably downward. Today, the reverse is true. 
China is a brand-new member of the club. Brazil is sustaining its 
membership, a decade after retiring a carrier that the U.K. completed in
 1945. India is expanding its aircraft carrier fleet, and the nations 
that acquired or maintained sea-based airpower with the 
short-take-off-and-vertical-landing (Stovl) Harrier may renew that 
capability with the Lockheed Martin F-35B Joint Strike Fighter.
However, a common factor for almost all these nations is that they are 
just starting, or have yet to start, down a long and expensive road. It 
is not just that carrier-based aircraft are expensive, but that buying 
fighters and ships is only half the story.
Although public attention is always focused on the construction cost of 
carriers, its aircraft are a bigger investment. In 2013, the U.S. Navy 
wants $967 million for its aircraft carrier program and about $6 billion
 for procurement of carrier-based aircraft (not including Marine Corps 
F-35Bs). The operating costs involved in training and supporting the 
carrier's personnel, fuel and aircraft spares and refits are higher 
still. And the basic math says that you need three carrier groups for 
every full-time station.
Nations see the cost as justified, as sea trade and offshore resources 
gain importance and as as the use of insurgency-type attacks for 
national ends turns land-based deployed forces into targets. The 
question is whether all would-be carrier club members recognize that 
building the ship is the initiation fee and that the annual dues are a 
killer.
Money has already sparked a conflict within the British defense 
establishment over the aircraft type for the Royal Navy's new carriers 
(see p. 27). It may not be the last such discussion. With Britain still 
officially committed to the catapult-arrest F-35C—at least as of late 
March—Italy is leading the way among sea-based Harrier operators. The 
carrier Cavour has been designed around the Stovl F-35B.
Italy, Spain and India remain the sole operators of first or 
second-generation Harrier Stovl fighter-bombers, with Thailand having no
 longer a real operational capability.
Italy's Cavour is a hybrid vessel. It does not have a well deck but is 
designed to support amphibious operations. It has a full load 
displacement of 27,000 tons and is 244 meters (800 ft.) long. Its hangar
 can accommodate up to 10 F-35Bs, with flight-deck parking for another 
six F-35Bs and two helicopters.
Cavour illustrates the fact that small carriers must be bigger than they
 used to be, to sustain real air operations. Compared with Italy's 
“Harrier carrier,” the Garibaldi, Cavour is 64 meters longer and the 
flight deck has a total surface of 6,800 square meters (73,200 sq. ft.),
 with 4,450 square meters devoted to flight operations, versus 1,870 
square meters on the Garibaldi.
The Italian navy plans to buy 22 F-35Bs to replace 16 remaining 
Harriers. Its long-term planning includes acquisition of two large 
JSF-capable LHDs and an LHA (similar but with no well deck) to replace 
the Garibaldi and three smaller LHDs. This will allow Italy to have at 
least one carrier operational at any time.
The Spanish navy is moving from its carrier Principe de Asturias to the 
large LHD Juan Carlos. It is currently operating 16 EAV-8B Plus 
aircraft, but would like to buy as many as 20 F-35Bs, budget permitting.
 The Juan Carlos is estimated to be able to operate no more than a dozen
 F-35Bs, because of its size and the fact that it has a well deck.
Multiple nations are acquiring large LHDs that could carry F-35Bs. 
Australia is to commission the LHDs Canberra and Adelaide in 2014 and 
2015 respectively, which are based on the Juan Carlos design, even 
including the ski-jump bow—which is valuable for Stovl operations, but a
 penalty the rest of the time, since the sloping deck space is 
unavailable for anything else.
Japan has in service the Hyuga-class destroyer—a 200- meter-long, 
20,000-ton vessel that can host 11 rotorcraft, and could lead to an 
F-35B-capable design. Japan, like Australia, is to acquire the F-35A for
 the air force. South Korea has yet another Asian navy that is 
considering building a large LHD, beyond the 18,000-ton Dokdo LPH.
China and India could start a “carrier race” in the Pacific Rim. A 
dual-role ship class—a large LHA/LHD capable of operating jets—is a 
cheaper, less politically and strategically sensitive naval vessel that 
can provide substantial capabilities if fitted with a supersonic, 
stealth fighter bomber.
The question is how many countries will buy F-35Bs to operate from LHDs.
 The LHD is a multimission ship that has to carry landing craft, 
helicopters, troops and vehicles and a command center and staff. Even in
 a ship of close to 30,000 tons, space is at a premium.
The F-35B is a complex aircraft, as heavy and powerful as a Super 
Hornet, and will have similar demands for maintenance personnel and 
space, test equipment, spares and fuel. The U.S. Marines, working with 
50,000-ton ships, tried trading the well deck on the LHA-6 and LHA-7 for
 extra fuel and aviation space, but will not repeat that with LHA-8 and 
beyond.
Compared with true carriers LHDs have narrower flight decks, which limit
 the pace of flight operations. Another important factor will be the 
acquisition and operating cost of the F-35B, which has yet to be 
defined.
India is taking a different approach to expanding its carrier 
operations—although it is one that tends to underline India's reputation
 for a scattershot approach to acquisitions.
Sea trials of the carrier INS Vikramaditya, formerly the Russian 
Kiev-class Admiral Gorshkov, are scheduled to begin in the Barents Sea 
on May 29 and last two to three weeks. Its much-delayed handover to the 
Indian navy is due on Dec. 4.
Major changes to the ship include the removal of cruise missile tube and
 surface-to-air missile vertical launchers and the installation of a 
forward flight deck and ski-jump for short-takeoff-but-assisted-recovery
 (Stobar) operations. The ship can carry 24 MiG-29K/KUBs—developed 
specially for India—and six to eight Kamov Ka-31 airborne early warning 
helicopters.
The first MiG-29K/KUB fighter jets are already operating at the naval 
aviation base at Goa. These are from an initial batch of 11 aircraft 
ordered at the same time that the carrier deal was signed. India and 
Russia inked an additional $1.5 billion deal for 29 more MiG-29K/KUBs in
 March 2010. Delivery of the second batch of MiG fighters will start 
this year. The contracts include pilot training and aircraft 
maintenance, including the delivery of flight simulators and interactive
 ground and sea-based training systems.
These upgrades include a new avionics kit, with the N-109 radar being 
replaced by Phazotron Zhuk-M radar. The aircraft will also feature 
enhanced beyond-visual-range combat ability and air-to-air refueling.
The MiG-29K will also operate from India's indigenous aircraft carrier. 
Construction of the first of these 40,000-ton, 260-meter-long ships, 
named Vikrant, started in April 2005.
The new carrier will cost $762 million and will operate MiG-29K, 
Hindustan Aeronautics Ltd. (HAL) Naval Tejas and Sea Harrier aircraft 
along with the Indian-developed HAL Dhruv helicopter.
India has indicated that at least two further carriers of the same or 
similar designs to INS Vikrant are planned. The first of these, to be 
named INS Viraat started construction in 2011 and is due to be 
commissioned in 2017. A $2 billion deal for the purchase of 45 more 
MiG-29Ks for the new carriers is near signature with Russia.
The only current naval fighters in Indian service—Sea Harriers—have been
 upgraded with new radar and missile systems and have started operating 
with air force Ilyushin Il-78 tankers.
A rather different carrier program, meanwhile, is being quietly 
undertaken in Brazil. In 2000, Brazil acquired the 1963-vintage carrier 
Clemenceau from France, along with low-use ex-Kuwaiti A-4 Skyhawks. 
Renamed Sao Paulo, the ship underwent a major refit from 2005 to 2010. 
Meanwhile, in 2009, a contract was issued to Embraer for a comprehensive
 upgrade of 12 A-4s, nine being two-seaters and three being 
single-seaters. The first modified aircraft is due to fly in August, 
with production deliveries in 2013-14.
The upgraded aircraft have a new full-color cockpit, a head-up display, a
 new electrical generating system and an onboard oxygen-generating 
system. Sensors include Elta's EL/M-2032 radar and a radar-warning 
receiver. They are intended to carry the Brazilian-developed Mectron 
MAA-1B air-to-air missile, and will be equipped for air defense and 
surface attack.
Also, last October, Brazil signed a contract with Marsh Aviation to 
modernize and re-engine four ex-U.S. Grumman C-1A Trader aircraft—the 
carrier onboard delivery version of the 1950s Tracker—and to provide 
training and logistics services. Marsh will install new avionics, 
Honeywell TPE331 engines, and centerline hose and drogue units, on the 
aircraft, to be redesignated KC-2. Deliveries are expected in 2014. An 
airborne early warning platform KC-2 is in the plans.
While the Brazilian naval air arm may have a retro look to it, it is not
 to be discounted. The country is well on the way to developing a full 
capability for Catobar operations, with definite advantages over Stobar.
 The Skyhawk is subsonic—but so is any land-based adversary in oceanic 
operations, unless the pilot feels like walking home. Unlike either 
Stovl or Stobar ships, the Sao Paulo will have a tanker, literally a 
life-saver if there are jets in the pattern and the deck is fouled by a 
malfunctioning aircraft. So far, Brazil's investment has surely been 
less than the price of a very small number of F-35Bs.
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