LCA AF Mk2 (Medium Weight Fighter) - News and discussions

MK2 is gonna be a kickass fighter! Why just stop at inducting 120 or 200? Why not make it our next backbone fighter by ordering more than 300/400 jets? To fight both PLAAF & PAF simultaneously, we shall need more than 1000 jets. Imports can't substitute for that. LCA MK2 could be that fighter which turns IAF fortunes forever, me thinks;)

The numbers we buy depends on geography and adversary capabilities. It's the same for the Americans, Russians, and Chinese regardless of their higher numbers.

Drones are going to be the future. Mk2/MRFA and AMCA are basically acting as stopgap for unmanned fighters.
 
As I said yesterday that we should procure more MK2s over the proposed 120 units and voila a report came yesterday about IAF looking to procure another 180(after the first 120 batch) MK2s, pumping its overall number towards 300.

@YoungWolf, maybe I'm indeed the Oracle🤣🤣

That new line for the private sector has been in the planning stages since 2019 or so. HAL has been trying to kill it, and the private sector has been resisting the IAF's efforts in order to prevent antagonizing HAL where they are acting as subcontractors for all other programs.

So the IAF plans on ordering more jets from HAL in exchange for a private sector assembly line with fewer jets, so HAL continues to be the main integrator.

But the expanded order is only if HAL agrees to having a direct competitor.
 
The IAF must be a bunch of fools who can't tell apart a** from elbow. You should educate them.

The IAF isn't a monolithic entity & neither is MoD. There are various interests & PoVs at play at all times.

The old Mk2 came with IRST, IFR, and internal jammer.

You can promise anything before you do the detailed design.

The back-end electronics for an internal SPJ for example, could only be contained in the enlarged dorsal spine behind the cockpit - which wasn't there in the early PDRs and only became possible after lengthening the airframe.

So where were they planning to stick them before then? In the pilot's lap?

That doesn't even come close to answering my question. It's a Mig-21++. You say it was a mistake. Then why did the IAF go for 220 Mig-21++? Even though the ASR was set up in 1985, why is the IAF willing to make this mistake in 2025?

With Mk1 design as it exists: 220 airframes before going for retesting on a new aircraft.

If Mk2 design was pursued from start: 400+ airframes of continuous production.

Can't make it simpler than that.

It's got nothing to do with the domestic industry. All nations have enough weapons only for a few weeks of war. It's been that way since 1991.

The IAF is designed to fight for a few weeks, maybe a few months, lose enough to still maintain numbers for a second war.

The IA's been designed to fight the PA only for 10+ days, by which time they need to win. That's why Gaganshakti saw the IAF fighting for a week along Pakistan and switching to the Chinese front in 48 hours to fight another week against China. That's with 30+ squadrons. To do both simultaneously, they need 40+. And if war takes out 10 squadrons, they will still have 30 for a second war if it's fought within a matter of a few years.

We can only train with what we have.

But a conflict with China cannot be resolved in a few weeks unless one side completely capitulates. If we don't want to be that one, we need the ability to completely overwhelm the Chinese through sheer tactical superiority in both technology & numbers. Like US crushing Iraq.

We don't expect to have that. The power equation between us is never going to tilt that greatly in our favour, at least not in our lifetimes.

So if a full-scale war with China does happen, we can either capitulate to end it quickly, or fight on for as long as we can in the hope of stalemating them. Which do you think we'll choose?

And what kind of platform (Western or Russian-standard) is going to be of greater utility to us in such a conflict where we may need to put up a consistently high sortie rate for months if not years on end against a peer threat?

We get numbers and buy production tech from the Russians.

Cuz they're the only ones we could afford to buy/build in very large numbers. In many cases, they were the only ones willing to sell.

But only in times past though, going ahead all our mass will come from either Western or indigenous solutions built to Western-spec.

We buy R&D tech from the West. That's how we function.

Cuz that's the tech we want - and what we want to develop our tech to be like.

Russians don't have the tech we want.

We calculate 21 to a squadron. An exception was made for Rafale, 16+1+1, But the normal number is 18+2+1. That's 18 single-seaters, 2 single-seat reserves, and 1 twin-seat reserve. This is to ensure 16 jets are always available. The MKI is 16/18 + 2, depending on the squadron. MRFA will be 16+2+1, continuing the exception made for Rafale due to its higher availability.

Mk2 will be 19, but we are not sure if Mk1 trainers will be added to the squadrons 'cause Mk2 will be single-seat only. So it could stay at 19 single-seats or 19+2.

And what, did you forget IOC and FOC jets are 20 each for both LCA Mk1 and AMCA?

A standard squadron in the USAF is 24. So number of jets per squadron can be increased anytime if necessary if a higher reserve is required. At 24, it's 1000+.

The highest we can go at 21 is 882. The lowest is still 800+. And then we will keep buying more numbers due to attrition.

The numbers are different for each squadron. I've said as much.

But the notional average is 18 and it has been so for a long time.

Lol. They wanted both.

That's just revisionism. Of course we can't make it seem like we succumbed to political pressure.

Informed people know otherwise.

It was same for SSKs. Navy wanted more Type-209s which we had the license to build, but political considerations brought in the Kilo.

What's DPS requiring 2 engines got to do with a tender?

Those requirements are only mentioned in tenders like MMRCA/MRFA in order to acquire information.

The tender never fructifies.

All DPS fighters are twin-engine. That was the reason given by the IAF when Jaguar was chosen. That's why even HF-24 was twin-engine. MKI is not suitable for DPS. So our next jet after Jaguar is Rafale.

Those are 2nd & 3rd gen aircraft with terrible engines (by modern standards). There's a nice joke about the Jag - that it only takes off because of the curvature of the Earth. So yeah a single engine was unthinkable in those days.

Sending a SEF deep into enemy territory is only done if a pilot volunteers for a suicide mission. Or they stay within 50-100 km of friendly forces so they can be rescued by helicopters in 15 min or less, the time it would take the enemy to close in on a downed pilot. There is no rescue for DPS pilots.

DPS aircraft are exposed to enemy fire during ingress much more than SEFs. Unlike SEFs, they can't keep turning back just 'cause they were challenged. So TE helps increase survival rate when they take damage from fragmentation shells and warheads.

DPS is necessary because these jets attack the enemy's centers of gravity, like communications, HQs, assembly areas, bases, logistics in depth, civilian support infrastructure, maintenance and production lines etc. SEFs mainly target frontline troops and last mile logistics, like artillery. So what you are suggesting is giving up the former war-winning strategy to just do the pointless latter bit that even artillery and small drones can do.

That's why Mk2 doesn't meet all the requirements of the IAF no matter how many you buy.

So pilots of most NATO countries are kamikazes. Thanks for letting me know.

F-35-Rear-Burner-820x450-1.jpg
 
As I said yesterday that we should procure more MK2s over the proposed 120 units and voila a report came yesterday about IAF looking to procure another 180(after the first 120 batch) MK2s, pumping its overall number towards 300.

@YoungWolf, maybe I'm indeed the Oracle🤣🤣
I'm all in for doubling the MK2 procurements as long as they come with the AMCA-spec JV engine and a thoroughly upgraded avionics suite. It has the potential to be the backbone of our combat fleet.
 
The IAF isn't a monolithic entity & neither is MoD. There are various interests & PoVs at play at all times.



You can promise anything before you do the detailed design.

The back-end electronics for an internal SPJ for example, could only be contained in the enlarged dorsal spine behind the cockpit - which wasn't there in the early PDRs and only became possible after lengthening the airframe.

So where were they planning to stick them before then? In the pilot's lap?



With Mk1 design as it exists: 220 airframes before going for retesting on a new aircraft.

If Mk2 design was pursued from start: 400+ airframes of continuous production.

Can't make it simpler than that.



We can only train with what we have.

But a conflict with China cannot be resolved in a few weeks unless one side completely capitulates. If we don't want to be that one, we need the ability to completely overwhelm the Chinese through sheer tactical superiority in both technology & numbers. Like US crushing Iraq.

We don't expect to have that. The power equation between us is never going to tilt that greatly in our favour, at least not in our lifetimes.

So if a full-scale war with China does happen, we can either capitulate to end it quickly, or fight on for as long as we can in the hope of stalemating them. Which do you think we'll choose?

And what kind of platform (Western or Russian-standard) is going to be of greater utility to us in such a conflict where we may need to put up a consistently high sortie rate for months if not years on end against a peer threat?



Cuz they're the only ones we could afford to buy/build in very large numbers. In many cases, they were the only ones willing to sell.

But only in times past though, going ahead all our mass will come from either Western or indigenous solutions built to Western-spec.



Cuz that's the tech we want - and what we want to develop our tech to be like.

Russians don't have the tech we want.



The numbers are different for each squadron. I've said as much.

But the notional average is 18 and it has been so for a long time.



That's just revisionism. Of course we can't make it seem like we succumbed to political pressure.

Informed people know otherwise.

It was same for SSKs. Navy wanted more Type-209s which we had the license to build, but political considerations brought in the Kilo.



Those requirements are only mentioned in tenders like MMRCA/MRFA in order to acquire information.

The tender never fructifies.



Those are 2nd & 3rd gen aircraft with terrible engines (by modern standards). There's a nice joke about the Jag - that it only takes off because of the curvature of the Earth. So yeah a single engine was unthinkable in those days.

A new jet requires 10-12 years. Mk2 requires just 3 years. That's enough of a clue.

The rest is just built up on your ignorance. The Jag joke was due to its engine becoming underpowered in its DARIN I/II form. It had sufficient power before DARIN upgrades came about.

Anyway, MRFA is happening, officially.

So pilots of most NATO countries are kamikazes. Thanks for letting me know.

F-35-Rear-Burner-820x450-1.jpg

The F-35's a penetration fighter, not a deep penetration fighter. That belongs to the NGAD and B-21.

The F-35A’s stubby shape and small size also prevent it from carrying internally enough fuel to accomplish deep penetration. To actually reach the target the F-35A (or F-22) would need to carry non-stealthy external fuel tanks or be accompanied by a non-stealthy aerial tanker.

Similarly, the Israeli strikes were long range strikes, but did not involve deep penetration.
 
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A new jet requires 10-12 years. Mk2 requires just 3 years. That's enough of a clue.

We cut down on time by reusing several aerostructures that were already rigorously tested. The operating factor is that the overall commonality between the two is only 25% and it comes in a higher weight class.

The rest is just built up on your ignorance. The Jag joke was due to its engine becoming underpowered in its DARIN I/II form. It had sufficient power before DARIN upgrades came about.

Anyway, MRFA is happening, officially.

Jag was always underpowered. It's hard to get a powerful aircraft with small 3rd gen engines. A single engine wasn't practical back then. Even the tiny F-5 had to have two engines due to reliability concerns.

MRFA addressed in the other thread.

The F-35's a penetration fighter, not a deep penetration fighter. That belongs to the NGAD and B-21.

The F-35A’s stubby shape and small size also prevent it from carrying internally enough fuel to accomplish deep penetration. To actually reach the target the F-35A (or F-22) would need to carry non-stealthy external fuel tanks or be accompanied by a non-stealthy aerial tanker.

Similarly, the Israeli strikes were long range strikes, but did not involve deep penetration.

F-35 has longer range on internal fuel than Rafale. But Rafale can never go on a strike mission without drop tanks.

But of course external tanks are non-stealthy on F-35, but become stealthy when put on Rafale thanks to its magic stealth generator.

Hard to argue with that logic.
 
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I'm all in for doubling the MK2 procurements as long as they come with the AMCA-spec JV engine and a thoroughly upgraded avionics suite. It has the potential to be the backbone of our combat fleet.

Yes, when & if we realize the next-gen JV engine, it'll go on multiple platforms. Including a potential Tejas Mk2A/Mk3.

Even existing Mk2 airframes can be potentially re-engined with the new motor in an MLU if we successfully manage to make it a drop-fit in a bay meant for F414 (which is the plan, but may or may not fructify).
 
We cut down on time by reusing several aerostructures that were already rigorously tested. The operating factor is that the overall commonality between the two is only 25% and it comes in a higher weight class.

That percentage is too high for a jet that's supposed to be a new design. :rolleyes:

Mk2 and AMCA have a lot of common parts for the airframe internally, 70% apparently. Mk1 and Mk2 have almost no commonality in avionics. The engine is not just different, it comes with a whole new core. So the only thing left are the main aerostructures, like the fuselage and wings, that can remain common.

Jag was always underpowered. It's hard to get a powerful aircraft with small 3rd gen engines. A single engine wasn't practical back then. Even the tiny F-5 had to have two engines due to reliability concerns.

Only you would believe the IAF will import an underpowered aircraft.

From a Jaguar pilot.
The aircraft keeps losing thrust with time and has lowered capacity by 15-20% due to an antiquated engine that needs replacement due to substantial wear and tear.

“Upgrades to the Jaguar have added weight, as a result of which the aircraft has become underpowered for medium-level operations. The impact of the additional weight on low-level performance is minimal.


F-35 has longer range on internal fuel than Rafale. But Rafale can never go on a strike mission without drop tanks.

But of course external tanks are non-stealthy on F-35, but become stealthy when put on Rafale thanks to its magic stealth generator.

Hard to argue with that logic.

The Su-57 has as much range as the F-35 and Rafale combined. But it still won't do deep penetration, it's been designed to operate in permissible airspace. So range isn't the main criteria for deep strike, survivability is.
 
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That percentage is too high for a jet that's supposed to be a new design. :rolleyes:

Mk2 and AMCA have a lot of common parts for the airframe internally, 70% apparently. Mk1 and Mk2 have almost no commonality in avionics. The engine is not just different, it comes with a whole new core. So the only thing left are the main aerostructures, like the fuselage and wings, that can remain common.

Yeah it has common aerostructures - that's why we could cut down on testing time.

But those structures are now operating under different conditions - they are supporting much more weight. The CoG/CoM are different. That's why it's considered structurally different. If not, it should have been possible to take a Mk-1/1A and MLU it into a Mk-2. But that's not possible.

The point is, the new plane comes under a different weight class that allows it to do so much more than what the Mk1 was designed for.

Only you would believe the IAF will import an underpowered aircraft.

From a Jaguar pilot.
The aircraft keeps losing thrust with time and has lowered capacity by 15-20% due to an antiquated engine that needs replacement due to substantial wear and tear.

“Upgrades to the Jaguar have added weight, as a result of which the aircraft has become underpowered for medium-level operations. The impact of the additional weight on low-level performance is minimal.

There was not much growth potential in the Jag because it was underpowered. That's why it had to be retired much earlier than the Tornado which continues to serve in Western AFs. Some RAF units actually replaced the Jag with the Tornado cuz it was able to do so much more thanks to bigger engines.

Our import options were limited.

The Su-57 has as much range as the F-35 and Rafale combined. But it still won't do deep penetration, it's been designed to operate in permissible airspace. So range isn't the main criteria for deep strike, survivability is.

Which means stealth.
 
Yeah it has common aerostructures - that's why we could cut down on testing time.

But those structures are now operating under different conditions - they are supporting much more weight. The CoG/CoM are different. That's why it's considered structurally different. If not, it should have been possible to take a Mk-1/1A and MLU it into a Mk-2. But that's not possible.

The point is, the new plane comes under a different weight class that allows it to do so much more than what the Mk1 was designed for.

So you're saying the fuselage, wings and fins, ie, aerostructures are common?

There was not much growth potential in the Jag because it was underpowered. That's why it had to be retired much earlier than the Tornado which continues to serve in Western AFs. Some RAF units actually replaced the Jag with the Tornado cuz it was able to do so much more thanks to bigger engines.

Our import options were limited.

You should try and remember what you originally say first.

"Jag was always underpowered."

Which means stealth.

Both. A way to survive electronically (stealth) and a way to survive physically (twin engines).
 
So you're saying the fuselage, wings and fins, ie, aerostructures are common?

There are common aerostructures, I never denied that. But also several completely new ones. So the common components are actually doing a different job. That's why they say it's structurally different.

Internal layout is completely re-engineered.

You should try and remember what you originally say first.

"Jag was always underpowered."

Yes - that's why RAF had to replace them with Tornados. The joke about Jag was originally from Britain, not IAF. So they always knew it was underpowered, DARIN just exacerbated the problem:


"Describe the Jaguar in three words

“Comfortable, ergonomic, underpowered."

"Take-off/landing performance

“Landing first, easy, precise (⍺), brake parachute equipped with big brakes – excellent! Take-off has been variously described as due to the curvature of the earth and was certainly an Operations Manual reference event depending on entropy, configuration and airfield. Reliance on ‘clear wing’ after engine failure would be operationally standard. Full reheat was standard and operational formation take-offs would be a race to the first waypoint.”


"What was the best thing about the Jaguar?

“Relative ease of day visual single seat operation at low level (LL).”

..and the worst?

“Lack of thrust.”


=====

Besides, planning for growth potential is supposed to be part of design goals. Imagine if adding the IFR probe were to make the FOC LCA underpowered? It's not supposed to work that way.

They took that into account for the Tornado which is why it's still in service. They didn't do that for Jag - perhaps because Jag was originally meant to be just a trainer.

Both. A way to survive electronically (stealth) and a way to survive physically (twin engines).

Disproven by F-35, which is actually directly replacing the twin engine Tornado in many air forces.
 
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Wing tip pylon added ..

Almost everything is changed from MK1 to Mk2.

If Mk1 and Mk2 are parked side by side , i don't think anything would be similar..

Though some parts may seem same from outside, they are different from inside. For example, wings. They seem same from outside but MWF wings are design to carry higher load so reinforcement might have gone into it though aerodynamically they behave same because of same shape.
When MK2 is a better aircraft,and is on par with Gripen in many ways why would we place order for more mediocre aircraft like MK1a?

Simply because of delay. MWF is unlikely to be delivered before 2030 at the best. And order may not be completed before 2035vin best case scenario.
 

It's the same AFAIK. Just the wings are slighlty canted outside which gives it an overall larger wing-span. MK2 is an evolved MK1A. Why are we arguing this fact is beyond me?

And evolved or not, it's going to be one hell of fighter for us. That is what matters. Period.

Fuselage is widened, wings same ..this is what last I read.. to accommodate one more pylon + wing tip pylon

Fuselage is widened, wings same ..this is what last I read.. to accommodate one more pylon + wing tip pylon
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@Rajput Lion screen shot from DDR

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There are common aerostructures, I never denied that. But also several completely new ones. So the common components are actually doing a different job. That's why they say it's structurally different.

Internal layout is completely re-engineered.

So what if the internal layout is different, even the Mk1A's is different. What is exposed to the elements is the outside bits, and all that's just Mk1.

Yes - that's why RAF had to replace them with Tornados. The joke about Jag was originally from Britain, not IAF. So they always knew it was underpowered, DARIN just exacerbated the problem:


"Describe the Jaguar in three words

“Comfortable, ergonomic, underpowered."

"Take-off/landing performance

“Landing first, easy, precise (⍺), brake parachute equipped with big brakes – excellent! Take-off has been variously described as due to the curvature of the earth and was certainly an Operations Manual reference event depending on entropy, configuration and airfield. Reliance on ‘clear wing’ after engine failure would be operationally standard. Full reheat was standard and operational formation take-offs would be a race to the first waypoint.”

"What was the best thing about the Jaguar?

“Relative ease of day visual single seat operation at low level (LL).”

..and the worst?

“Lack of thrust.”


=====

Besides, planning for growth potential is supposed to be part of design goals. Imagine if adding the IFR probe were to make the FOC LCA underpowered? It's not supposed to work that way.

They took that into account for the Tornado which is why it's still in service. They didn't do that for Jag - perhaps because Jag was originally meant to be just a trainer.

Tornado wasn't a Jaguar replacement. They filled different roles.

Even Brit Jags became underpowered due to upgrades.

Disproven by F-35, which is actually directly replacing the twin engine Tornado in many air forces.

They are all giving up on deep strike using aircraft. Just like how the USN is giving up on penetration missions.

All due to the advancement of ALBMs/CMs.

The Tornado was created to defeat the Soviet Union's advancing columns in Germany, as was the Jaguar. That threat is no more.
I think it is widened a bit.

Only the wing was widened enough to carry 4 hardpoints.
 
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So what if the internal layout is different, even the Mk1A's is different. What is exposed to the elements is the outside bits, and all that's just Mk1.

I'm not talking about just the electronic LRUs, but the structural layout. The wings might outwardly look the same, but are being made to carry pretty much twice the payload than what they were originally meant for. That requires structural changes on the inside. That's what they mean by structurally different.

So yes, the testing we need to do is limited to just certifying the aerostructure under the new internal configuration. They don't expect this to take very long, but we still need to see if the changes negatively effect the aerostructure's integrity or longevity.

It's useless to say they are same as Mk1. You can't just take the Mk2's wings and put them on Mk1, it'll probably throw the DFCC off as the wings are likely to be of a different weight.

Tornado wasn't a Jaguar replacement. They filled different roles.

That's literally what RAF did. All Jag squadrons, including those for nuclear strike, directly exchanged Jags for Tornados. Of course Tornados could do so much more.


Even Brit Jags became underpowered due to upgrades.

Well, the point is - the Jag (or Tornado)'s generation was simply not in any shape to fly a 25-30T aircraft with a single engine and still have any respectable TWR. Not to mention engine reliability was very questionable in those days. That's why it wasn't done.

5th gen engines can make this happen. That's why a single engine is sufficient for F-35.

Increasing cost & complexity by procuring and maintaining twice the number of engines, in the off-chance that you get shot in one of them (but not the other) is not practical strategy.

It's highly likely that even Russia might relegate most strike duties to the Checkmate (operating in conjunction with S-70) going ahead as the Su-34 won't be survivable and Su-57 is an ASF.

They are all giving up on deep strike using aircraft. Just like how the USN is giving up on penetration missions.

All due to the advancement of ALBMs/CMs.

We'll do the same eventually. Manned platform is ultimately too risky.

The Tornado was created to defeat the Soviet Union's advancing columns in Germany, as was the Jaguar.

I thought you said Jag & Tornado were not for the same role.

Cognitive dissonance

My, that's some self-awareness on your part.