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"Ed Rasimus" wrote in message
... On Sun, 21 Sep 2003 18:08:02 -0400, "Bob Martin" wrote: Anyone have data on typical chaff/flare loads for F-4's, both in Vietnam and modern day? Thanks No flares on F-4s in SEA. (Photo-flash carts on RF-4s only). No self-protection chaff carts either. We carried cardboard boxes (about the size of a box of Xmas tree tinsel) in the speedbrake wells. Open the boards to deploy. Try not to use speed brakes earlier in the mission. One time use. Ed, do you possibly know the reasons why no chaff/flare dispensers were mounted on Phantoms at the time (and, AFAIK, for most of the 1970s)? From the standpoint of our days this appears as a very strange measure to me: given how many R-13 shots could have been averted over Vietnam alone.... BTW, from what I know a USAF Lt.Col. who was in the back-seat of the IIAF RF-4E when this was intercepted by a Soviet AF MiG-21 deep inside the Soviet airspace, in November 1973, used photo-flash cartriges to decoy four R-13s: this was the reason the Soviet pilot had no other way out but to ram the Phantom (one could find this story on the walls of quite a few former Soviet AF bases in East Germany). The MiG-pilot was killed when his plane disintegrated, while the Iranain pilot and the USAF WSO survived. Although the engagement happened by the day, the crew of that RF-4E said the cartriges were so powerful, they had a feeling somebody turned a second sun right behind their backs each time one was deployed.... Tom Cooper Co-Author: Iran-Iraq War in the Air, 1980-1988: http://www.acig.org/pg1/content.php and, Iranian F-4 Phantom II Units in Combat: http://www.osprey-publishing.co.uk/t...hp/title=S6585 |
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On Mon, 22 Sep 2003 10:23:25 GMT, "Tom Cooper" wrote:
"Ed Rasimus" wrote in message .. . No flares on F-4s in SEA. (Photo-flash carts on RF-4s only). No self-protection chaff carts either. We carried cardboard boxes (about the size of a box of Xmas tree tinsel) in the speedbrake wells. Open the boards to deploy. Try not to use speed brakes earlier in the mission. One time use. Ed, do you possibly know the reasons why no chaff/flare dispensers were mounted on Phantoms at the time (and, AFAIK, for most of the 1970s)? From the standpoint of our days this appears as a very strange measure to me: given how many R-13 shots could have been averted over Vietnam alone.... Tom Cooper They weren't mounted because they didn't yet exist. The ALE-40 (the blister dispenser bolted on the side of the wing pylons) came into production around '73 or '74 after the air war was over. As I mentioned, the operational E-models got them, but they never got retrofitted to the C's that were still active. (I don't know about the D's.) What's an R-13? Do you mean SA-7 or Atoll? SA-7 was pretty much a "no threat" for fast movers in SEA. Atoll was a player, but if you knew the guy was back there, you maneuvered to defeat. If you didn't know he was there, flares wouldn't have been much good. A lot of the MiG successes were unseen blow throughs where flares wouldn't have been employed. |
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![]() "Ed Rasimus" wrote in message ... On Mon, 22 Sep 2003 10:23:25 GMT, "Tom Cooper" wrote: They weren't mounted because they didn't yet exist. The ALE-40 (the blister dispenser bolted on the side of the wing pylons) came into production around '73 or '74 after the air war was over. As I mentioned, the operational E-models got them, but they never got retrofitted to the C's that were still active. (I don't know about the D's.) I see. Thanks. One more question, if you don't mind: what was the chaff/flare dispenser that could have been mounted into one of the rear Sparrow-bays, and when was it introduced? What's an R-13? Do you mean SA-7 or Atoll? That's the original service designation for the AA-2 Atoll (K-13 was the design designation). I know the SA-7 was not that widespread nor as a serious a threat as some other stuff at the time, and remember from reding Mitchel's "Clashes" and few other books about the air war in SEA how often it happened that the first warning from a MiG was either a Phantom or a Thud going up in flames. But, in several cases the attacks were noticed when one of the crews saw contrails from R-13s being underway behind them. Clear, the R-13 could't do much against a maneuvering aircraft (AFAIK any maneuver beyond 2g was too much for it to track), but, IMHO, perhaps the use of flare-dispensers could've saved a crew or two more? Tom Cooper Co-Author: Iran-Iraq War in the Air, 1980-1988: http://www.acig.org/pg1/content.php and, Iranian F-4 Phantom II Units in Combat: http://www.osprey-publishing.co.uk/t...hp/title=S6585 |
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Tom Cooper wrote:
"Ed Rasimus" wrote in message ... On Mon, 22 Sep 2003 10:23:25 GMT, "Tom Cooper" wrote: snip What's an R-13? Do you mean SA-7 or Atoll? That's the original service designation for the AA-2 Atoll (K-13 was the design designation). Tom, IIRR the AA-2A (K-13) was designated the R-3S in service, while the later versions switched to R-13 (M and M2 IIRC) to bring the service designation in line with the design designation. I've got an old Air International article by Piotr Butowski around here somewhere; he was given access to Vympel's chief designer as well as their museum, and the different models were described. There was also a cutaway of what we would call an AA-2D, which IIRR was designated the R-13M2. I know the SA-7 was not that widespread nor as a serious a threat as some other stuff at the time, and remember from reding Mitchel's "Clashes" and few other books about the air war in SEA how often it happened that the first warning from a MiG was either a Phantom or a Thud going up in flames. But, in several cases the attacks were noticed when one of the crews saw contrails from R-13s being underway behind them. Clear, the R-13 could't do much against a maneuvering aircraft (AFAIK any maneuver beyond 2g was too much for it to track), but, IMHO, perhaps the use of flare-dispensers could've saved a crew or two more? Carrying chaff dispensers would have been far more use in general, given the relative likelihood of encountering MiGs and SAMs/AAA. The R-3S could be easily outmaneuvered if seen in time, or decoyed by the sun, clouds, or the sun shining on water. Guy |
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![]() "Ed Rasimus" wrote in message ... They weren't mounted because they didn't yet exist. The ALE-40 (the blister dispenser bolted on the side of the wing pylons) came into production around '73 or '74 after the air war was over. As I mentioned, the operational E-models got them, but they never got retrofitted to the C's that were still active. (I don't know about the D's.) I saw an F-4D at Oshkosh about fifteen years ago that had previously been at RAF Lakenheath, it was brought in by the Minnesota ANG from Duluth. They had some blisters on the rear of the pylons that I was not familiar with. I asked the AC about them, he said one side was a chaff dispenser and the other was flares. They were added some time after the aircraft left Lakenheath in 1977. |
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Ed Rasimus wrote:
On Mon, 22 Sep 2003 10:23:25 GMT, "Tom Cooper" wrote: "Ed Rasimus" wrote in message .. . No flares on F-4s in SEA. (Photo-flash carts on RF-4s only). No self-protection chaff carts either. We carried cardboard boxes (about the size of a box of Xmas tree tinsel) in the speedbrake wells. Open the boards to deploy. Try not to use speed brakes earlier in the mission. One time use. Ed, do you possibly know the reasons why no chaff/flare dispensers were mounted on Phantoms at the time (and, AFAIK, for most of the 1970s)? From the standpoint of our days this appears as a very strange measure to me: given how many R-13 shots could have been averted over Vietnam alone.... Tom Cooper They weren't mounted because they didn't yet exist. The ALE-40 (the blister dispenser bolted on the side of the wing pylons) came into production around '73 or '74 after the air war was over. As I mentioned, the operational E-models got them, but they never got retrofitted to the C's that were still active. (I don't know about the D's.) The ALE-40 may not have existed, but (according to Thornborough, pg. 16) the navy was using the ALE-18 starting from April of 1966, at the same time they installed the ALQ-51, APR-25 RHAWS and APR-27 LWR (for some reason the navy used the latter rather than the APR-26). The ALE-29 seems to have replaced the ALE-18 from 1967 or 1968, and I think the ALE-39 was available before the end of the war. There's no obvious reason why the air force couldn't have used dispensers on their tactical a/c at the same time. Hell, the F-105D had its dispenser (an ALE-2) removed from the spec as a cost cutting measure (along with the APS-92 RWR and ALQ-31 jammer), in about 1959 or 1960. Guy |
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Tom Cooper posted:
BTW, from what I know a USAF Lt.Col. who was in the back-seat of the IIAF RF-4E ...used photo-flash cartriges to decoy four R-13s: Really? By 1980 no photo-flash cart in the USAF would have done that, wrong band of the IR spectrum...versus the IR seeker's spectrum. Thank goodness for early generation technology theft. the engagement happened by the day, the crew of that RF-4E said the cartriges were so powerful, they had a feeling somebody turned a second sun right behind their backs each time one was deployed.... Interesting that they had photo-flash carts for a day mission and not wall-to-wall chaff bundles in the cart breeches. And awfully sharp of the WSO to select the "Night" position on the camera control panel so he could puke the carts...that's what he'd have to do in a USAF RF-4C in 1973, according to an RF-4C-1 (1975) the USAF didn't have IRCM flares yet. Juvat |
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To be honest, all the details you mentioned here were completely unknown to
me so far, Juvat. Thanks for your remarks. What I explained above is what I was told by the people who were there. They were also very positive about the performance of the Iranian pilot of that Phantom, Maj. Shokounia (killed by the regime in Tehran, in 1980). He and the USAF Lt.Col. were, BTW, exchanged with the Russians for a box with a film from some Soviet satellite, that fell into an Iranian oil-field by mistake. Otherwise, the USAF and the IIAF were flying intensively beyond the Soviet borders with recce Phantoms already since 1970: initially, two USAF RF-4Cs were used, but later the Iranians purchased RF-4Es. Most of the missions had mixed crews, with Iranians usually flying and the USAF officers controlling the equipment. According to what I learned about these flights so far (the details about most of which are still kept secret for some unknown reason), the RF-4Es used for these missions were tightly guarded and exclusively equipped (so exclusively, that they had permanent guards while on the ground). AFAIK, they've got even IR-linescaners (which should have been some pretty exotic stuff at the time). Surely, only really experienced and "smart" people were tasked to fly these missions. BTW, in addition to the example lost in 1973, another IIAF RF-4E (again with a mixed crew) was shot down by the Soviets sometimes in 1977 or so, apparently in revenge for their MiG-25R shot down by an Iranian F-4E (which almost run out of fuel while trying to intercept). I don't know what happened with the crew, but I guess they survived too. Interestingly, the USAF supplied two recce-Phantoms from own stocks to Iran as replacement for every example these have lost in operations over the USSR. The situation culminated in October 1978, with Iranian F-14s intercepting a MiG-25R high over the Casspian Sea: subsequently the Soviets ceased all flights, and the story was over. Tom Cooper Co-Author: Iran-Iraq War in the Air, 1980-1988: http://www.acig.org/pg1/content.php and, Iranian F-4 Phantom II Units in Combat: http://www.osprey-publishing.co.uk/t...hp/title=S6585 |
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On Tue, 23 Sep 2003 00:21:31 GMT, "Tom Cooper" wrote:
[stuff snipped] According to what I learned about these flights so far (the details about most of which are still kept secret for some unknown reason), the RF-4Es used for these missions were tightly guarded and exclusively equipped (so exclusively, that they had permanent guards while on the ground). AFAIK, they've got even IR-linescaners (which should have been some pretty exotic stuff at the time). The US Army had IR linescan on OV-1s in the early '60s.... John Hairell ) |
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Juvat wrote in message . ..
Tom Cooper posted: BTW, from what I know a USAF Lt.Col. who was in the back-seat of the IIAF RF-4E ...used photo-flash cartriges to decoy four R-13s: Really? By 1980 no photo-flash cart in the USAF would have done that, wrong band of the IR spectrum...versus the IR seeker's spectrum. Thank goodness for early generation technology theft. I can not comment on the story of photo-flash carts being used to defeat any seeker. I imagine it would work, I see no reason it should not, but as I am not familiar with the burn times or dispense patterns of the cartridges I can only guess. My comments are aimed more at the comment about "by 1980 it could not have worked". While I can see that photo-flash stuff would be tailored to emit the most energy in the optical band of interest, it is very hard, some would say impossible, to design such a device that did not also emit in unwanted bands. An example is the modern IR countermeasures flare. Lets say the MJU-49B. http://www.globalsecurity.org/milita...ems/mju-49.htm This flare is tailored to put most of its energy out in the threat bands of interest. The page above claims 2 to 5 micrometers. This encompasses both the near IR and the mid IR bands. Or, both uncooled and cooled PbS detector systems. The response curves of PbS (and other detector responses) can be found he http://www.electro-optical.com/bb_rad/detector.htm Despite the fact that the MJU-49B is tailored, specifically made, to emit most of its energy in the near and mid IR bands, a significant portion of energy is still emitted in the visible portion of the spectrum (shorter wavelengths). And, it is easier to tailor towards the longer waves, than it is to do so towards the shorter waves, such as the visible band. The band of emission is tied loosely to heat energy, less energy, longer wavelengths. Or, less heat, longer wavelengths. Still, the point is that flares tailored to work in the IR spectrum still, very often, possibly even always, emit in the visible spectrum as well. http://www.warforum.net/gallery/disp...=lastup&pid=61 So, my question is, why could photo-flash cartridges used by the USAF in 1980 NOT have served as an stand-in IR countermeasures flare? Has it something to do with the fashion of dispense? Do they not light until well away from the aircraft? Or am I missing something more obviouse here? Token |
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