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Su-24s Falling Apart In Flight
by James Dunnigan
November 25, 2012

On October 30th, a Russian Su-24 bomber crashed outside the city of Chelyabinsk (just east of the Ural Mountains on the border between Asia and Europe). The cause of the crash was obvious, as the nose cone of the aircraft (covering the radar gear) fell off, making the aircraft difficult to control. The pilot decided it was too risky to attempt a landing because of the residential neighborhoods near the air base. So he aimed the aircraft for an unpopulated area and bailed out. As a result, for the second time this year, all Su-24s were grounded until it could be confirmed this was an isolated incident and not a common flaw with most Su-24s.

The Su-24s moved to the Shagol Air Base outside Chelyabinsk two years ago, and people living near the base soon became aware of the large (43 tons) and loud (it uses its afterburner while taking off) Su-24s. Earlier this month a local judge ordered the air force to stop flying over residential neighborhoods near the airbase. The air force appealed the order, insisting that the ban is too restrictive for efficient flight operations. Besides, the air force pointed out, the elderly Su-24s are being replaced with somewhat quieter aircraft. The problem with that is the Su-24s are not being replaced quickly enough. That's especially important because these elderly aircraft are crashing more often, usually when landing or taking off. This problem also made an impression on the judge in Chelyabinsk. One Su-24 went down last February 13th, and the next day all Russian Su-24s were grounded until the cause of the crash could be determined. This sort of thing is becoming increasingly common. In the last 12 years Russia has lost 17 Su-24s to accidents. Many more have been retired because of old age. This is one of the reasons Russia is hustling to replace the Su-24s with Su-34s.

It was only four years ago that Russia began building the first (of 20) Su-34 fighter-bombers. These are now replacing the 43 ton Su-24s. The 45 ton Su-34 is yet another variant of the 33 ton Su-27 and is very similar to the 36 ton U.S. F-15E (a two seat fighter-bomber version of the 31 ton F-15C). But Russia still has about 400 Su-24s in service and only twenty Su-34s. It appears that the new Su-34s will not arrive quickly enough to replace most of the elderly Su-24s.

The Su-34 has a full set of defensive and offensive sensors (radars, targeting cameras, laser designators) and electronic warfare gear. It also can carry eight tons of missiles and smart bombs. Russia is currently planning to get 58 Su-34s to replace 300 older Su-24s (most of these are not fit for service). Russia is building the first Su-34s at a cost of $36 million each (less than half the cost of an F-15E).

Meanwhile, some of the more recently built Su-24s were upgraded as the Su-24M2 standard. Most of the Su-24s built are over 25 years old and many have been grounded several times recently because of age related problems. The Su-34 has been in the works for most of the last decade, and earlier versions of two-seater Su-27 bombers were known as the Su-32. But it will probably be a decade or more before the last Su-24 is retired.


 

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