Then once you maintain high efficiency comfortably (convoy use should sky rocket when USA enters war, so wait until then for sure, also to gauge USA escort effectiveness and contribution), then upgrade escorts in a rolling method (say 1 TF at a time, if you have 10 TFs) to max radar/sonar/DCs and create HK groups - HK Patrols. r/hoi4. ste1684. You probably don't have enough convoy for everything you need, mostly trade and lend lease. Destroyers made for convoy escort that are cheap- basic sub detection, depth charge, AA. Cheap destroyers with detection and depth charges as a focus (if adding anything at all). I even split my convoy escort fleet in two and assigned one sea region to each yet nothing helped. The convoys had the order to keep going, but they stayed in the region where the battle took place. I have about 240 light cruiser and destroyers in 10 groups set to convoy escort, but i still only have 5% supply can be shipped, all my army. Use good quality subs with radar for the best results. 4. The number of escorts needed doesn't change much as more carriers are added, but each carrier needs a certain amount of clear airspace above it for efficient operations, hence 4 to 6 carriers in his experience was ideal because that was the maximum number of carriers that could be stuffed inside a screen envelope without the carriers. yes check where is was sunk then look at your trade roots in the trade tab. You can only kill submarines by spotting them. #1. I created a fleet with a single task force of destroyers to do convoy escort missions in the Mediterranean sea zones. Convoys are only ever directly seen during naval battles, e. It is 1948 and the Imperial Federation is at war with the remaining Axis powers in Europe and South America. You can indeed sink their convoys before they reach your shore. Damedius Jun 9, 2016 @ 4:52pm. Use patrol or patrol/strike force depending on your fuel situation. When your convoys are in naval combat you can select the division and right click a naval base and the division won't sink with the convoys and instead continue it's journey like nothing happened while the convoys are still in combat and eventually sink. ; About Hearts of Iron 4 Wiki; Mobile view Naval battles involve initiative. There are no technologies available to unlock more advanced convoy models. You can re-route convoys. Let's say you need 1 convoy per rifle and that the submarines manage to sink 5 of the 10 convoys, now: - Enemy must rebuild the convoys - Enemy must assign new convoys to that supply route, done automatically it seems from their stockpile of convoys, unsure if it still takes some time ( days ) before new convoys arrives though so you could get. Low, Medium And High Risk Engage at raiding mostly governs when the Subs retreat I think, especially if the enemy has lower than 100% convoy escort effiency meaning their escorts arrive a bit delayed. Yep working on it. Convoy raiding can also be exploited to murder the hell out of the enemy fleets. Thus limiting the trade,unit movement and supply of your for. I'm trying to keep the Italy/Germany AI alive in North Africa against the British which destroys the Italian merchant marine by Aug 1941 -- that's too quick to keep things interest. A fleet in convoy escort duty tries to get into these fights to defend the convoys. This sets minimal amount of escorts (purely based on convoys going through the zone) for them to react to threats instantly. Still, a great focus here is to get upgraded naval vessels quickly so that we can relegate the outdated models to convoy escort duties, much like the United States did historically. Role: Convoy Raiding or Patrol Typical wolf pack, lots of subs, mainly used to fight enemy convoys but can also be used for patrol in a pinch. "Sea nodes" are the dots in the oceans that the shipping lanes (dotted lines) go through. Crypto5. Less important for a mainland victory, but nice for island hopping. Hit F2, to. Use deny access on sea zones (I prefer the yellow tier of deny) to corral your convoys into a single defensible lane. Convoy escort: Pretty self explanatory. Why do I have 0% Convoy Raiding efficiency? Also the same with Convoy Escorting. Trade Interdiction. There's usually not that of an risk that you'll encounter surface ships in the Atlantic, since Italian fleet can't bypass Gibraltar and the Germans have. Take note of what regions have convoy notifications and battles with escorts, and which have none. your naval convoy counter at the top of your screen went negative? i dont think i have ever seen that ever. Higher level bases = more supply delivery. 2) Run 1-3 serial builds of convoys constantly to replace losses. Raiding fleet. • 1 yr. 60 attack will one shot convoys if they land a hit. Currently I have a fleet of just over 200 ships on convoy escort in the seas that the transports pass through and the Japanese only have a fleet of around 18 patroling those areas. Subs are good for convoy sinking, but to be REALLY effective, as I understand it, a sub should have >60 torpedo damage to one hit a convoy ship. Under "Production" tab. a fleet of 20 submarines will have 15 engage a UK CTF and get sunk, a fleet of 10 will do the same, etc). ThatBlueSkittle • 6 yr. get like 20 destroyers with 2 depth charge 2s and advanced sonar - no more submarines ever again - convoy escort everywhere but keep your doomstack on strike force in the same places where you're escorting pro tips: you can set sea zones to "avoid" or "never enter" as well. A barebones DD with sonar and a single depth charge. 0 unless otherwise noted. escort therereply. Deficits in resources will cause production to slow. It enhances Search & Destroy for capital ships, submarine detection for screening ships, and bonuses for all classes, although subs seem least favored. They are death to your subs. The third tree turns light cruisers and up into legitimate raiding vessels. I think the UK is the best because you are able to do the naval focuses early and they provide better bonuses than other countries. This means that the DDs on convoy escort are now slower than my. Navy consists of various parts. I reloaded several times to get the same result. Only NAV2 and NAV3 have a sufficiently high naval attack value to sink troops. You'd think the convoys would slow down or retreat, but they keep chuggin as fast as possible. (unfortunately you cannot give your CVE aircraft manual orders while they are on a Convoy Escort mission, or any. It says 1K but it's red, meaning that it has some issue (there being not enough) Maybe some troops/lend lease being transported, and once it finished you had enough convoys? Although 1k is a lot. Okay, so after lengthy experience with this. Heavy raiders can sink the actual convoy escorts (and any free-roaming anti-sub patrols!)- which will take months or YEARS to replace, depending on how many you sink each year. Moving land units across oceans and seas requires an allocation of transports. Once landed retract fleet and hope you don't loses to many ships. The concepts of hulls and modules do not apply to convoys. Convoy raiding helps the war effort by starving your enemy of resources. I see now with MTG, you're not just. Caps are too fuel inefficient in the game to do this for most. Replacing equipment or manpower in HoI4 sadly require zero convoys, of this I am pretty confident ( tested in previous patch ). Sub provide the ability to convoy raid. They should be only on convoy raiding or if a convoy raid turns into a battle. They will sink most of the transports and then disengage once the escorts show up. If you surprise a light convoy escort group with some hardy ships strong in Light Attack, you just sunk a load of convoys and their guardians, which not only puts your opponent in a much worse spot, but also opens up the area to safer undersea raiding (unless they start pulling heavier ships to send yours off, in which case, back to the first. 4. Ships can influence land combat by. Trade Interdiction: This is an offensive doctrine focusing on attacking enemy convoys with coordinated stealthy surface and submarine raiders that have superior abilities to find and destroy enemy shipping while evading enemy detection. For Patrols and Convoy Escorts I use light cruisers or destroyers separately. A task force assigned to the convoy escort mission will protect convoys belonging to the player or their allies if they are attacked. If all you want them doing is sink transports and convoys then stay on the low. 4. Have the required amount of convoys. Revolution3299 • 4 yr. A single Naval Yard outputs 2. And especially troops convoys. A singular enemy ship may sink entire flotillas of convoys. ) Where escorts are untenable; the USA might not be able to afford escorts in areas like the Philippine Sea while the Japanese navy is operating there, and I don't want to have to constantly micro a system off the record right away. Heavy guns can target the battle line even if the screens are at 100%, and heavy guns can also target carriers/convoys if the battle line isn't 100%. . Best. If they are traveling with enemy merchant ships or under the protection of enemy warships. 4 to 21. Fleet in. But no, 50 even the early 1936 NAVs should be able to sink at least 1 of 4 convoy ships without. 0 unless otherwise noted. Navy is all about attacking and defending convoys. ago. Break your subs up into small groups (3-6) the key to convoy raiding is that their escorts aren't everywhere. Convoy escorts. 1. Costal raiding, as I have described previously, where some damage is done in a manner similar to strategic bombing. Pay also attention to sea regions, they have bufs and debufs for different ships. Turns out it's all okay but I'm sure many other HOI4 players, especially new ones, are just as vexed and frustrated by this issue as I was. Once the port is taken, I send in my navy on convoy escort then quickly try to sneak in my 24 divisions to Dover before my paratroopers get overrun. To start convoy raiding just get a handfull of subs, maby a doctrine or 2 and you are good to go. You can have some ships assigned to escort your convoys. It did work in HOI3, but convoy routes were on a sea zone (province sized) basis, and the AI could adjust the route a few sea zones to either side. For the record convoy escorts are not for sinking subs. The actual number of submarines, either total, or in each assigned task force, does not matter. Last time I played the game, the best way to use subs is: Set them to "Convoy raiding" but also to "Do not engage". In the meantime, use naval bombers to grind down the UK fleet in the Channel and West of Denmark. Convoy escort mission efficiency is purely #of escorts versus #of convoys in the seazone. Subs- Convoy Raiding: max engines, max torps, snorkels not radar, set fleets of 10 to high risk, cover zones with scouts and/or patrols. For the pre-1. Edit: yeah, its 60. Save the game. yup, it was at negative something. You could be building destroyers to sink their convoy raiders. Convoy raiding efficiency is determined by the number of task forces on mission relative to the number of sea regions that need to be covered. This protection is extended to all of the fleet's assigned regions, although the number of regions that can be efficiently protected depends upon the number and size of task forces performing the mission within a given fleet. Against a stronger naval opponent we can focus on tying up their fleet and destroying supply lines to starve their war machine. The older warships of the Navy, notably cruisers or even gunboats dating from the Spanish-American War, may not have been of much use in a formal naval battle, but were useful enough for ocean convoy escorts. Light carriers, especially the Japanese ones, are modeled by earlier carrier designs. Subs are cheap to build and great to use against more advanced navies. This means that even though DEs survive the battle, the convoys are still dying. The convoys have to pass several regions to get to their destination, meaning I have to order the fleet to a new region over and over while the convoy sails on. From what I know subs are fantastic if used in small "wolfpacks" of 3-5 subs per fleet. To counter subs you need high lvl soner, good depth charges and you need to outnumber the enemy subs by a few to protect your convoys. if you have them set to a convoy escort mission in a sea zone that any type of convoy is sailing in, if said convoy gets attacked the fleet will intervene asap. Against a stronger naval opponent we can focus on tying up their fleet and destroying supply lines to starve their war machine. . They're fairly cheap and have low visibility, high speed, high detection, and good AA capability. Doing this WHILE using subs is the best ideal. It only effect stuff sent over water lmfao you gotta raid the water areas supplies are through. But can we assign Fleets to convoys? Convoy protection doesn't seem to work very well, especially when the convoys seem to start miles ahead of the fleet and get nailed by the enemy subs or destoyers. They are the best convoy escorts, minesweepers, and cannon fodder if CLs aren't available. 1, this exact same setup gave me 100%. Your raider fleet, subs that you use to sink enemy convoys. Split them into groups of 5-10 (alone, no other ships) and put some on patrol and some on convoy escort in all of your sub-infested sea zones. I can see that it's solved, but one thing I noticed is the convoy number at the top. In Hearts of Iron 4, logistics consists of getting personnel (replacements), and equipment where they need to be in order to support the fighting forces, as well as ensuring the level of supply where the unit is, is high enough for that unit to operate effectively. A convoy raiding task force tries to sink enemy convoys in their mission area. Make sure they were made for Man the Guns (patch 1. E. Chase away any convoy raiders attacking your convoys. )Try using fleets of destroyers with light and heavy cruisers for convoy escort duty. I was playing as France and had access to my ports in the. Subs flee at the first sight of Depth Charges. Also for convoy protection for example I make one escort fleet with several dd escort task forces, mark all the sea zones along my trade routes and hope for the best? Can I tell my escort destroyers that they only are there to engage submarines (because I give them only depth charges for example, no turrets), and if they see any hostile surface. This worked. Only 30 for 9 capitals and 4 carriers. 25, -- How much efficiency drops when losing convoys. g. ) Where escorts are actually needed, as opposed to convoys that are (or should be) safe from attack. Game balance and micro-management would be my guess. So! (2. If you have closed the English Channel to convoys it won't then change to use Liverpool. Subs also take longer to hide, have a tougher time finding convoys, and convoy escort was buffed to have more regions at base. The new convoys I was producing slowly subtracted from that negative numberIn the event you described, the Destroyer displaced roughly 10,000 tons, and the Cargo ship was worth roughly 60,000 tons of displacement. If you have enough ships to cover most convoys, you'll sink most of the subs before losing most of your convoys. Kill the enemy ships attacking your convoys. Convoy Raiding is usually the purview of submarines, but if you have naval supremacy, (the UK or USA usually) you can use destroyers to do that too. In total youre making life for yourself easier on land by destroying convoys, as troops will. Modern subs are much harder to catch but the technology made it very difficult to escape when engages by escorts using early ASW tactics and arguably most importantly late in the war, air patrols with basic surface search radars. The ideal explanation is getting too close to an ammunition ship but still. On top of that, you have very few remaining convoys. The newer the tech, the better. If the UK is reduced to 3 convoys, the routes will still exist, so the NU hit will still be tiny. What you will need a shit ton of DDs with torp racks to nuke their fleets. The first key to building a navy in Hoi is to build smarter, not harder. Vary the appearance of icons in HoI4 in order to depict unit strength Describe what words or phrases. Sort of like Convoy Escort, but the fleet will stay in port until the invasion is launched and protect the convoys holding your divisions as they make their way to their destination. • 1 yr. ago. Dragos404. Just including these will drastically improve your ground campaign. yes google translate. It is the most efficient in responding to the escort needs of convoys and in anti-submarine warfare. Single-Okra-7692 • 9 mo. Convoy Defence Composition: 6+ Destroyers. the dds low detection ruins your cls spotting. The first key to building a navy in Hoi is to build smarter, not harder. In this configuration, the cost is comparable to a similar 1936 hull design, with similar stats - in the 5000-5500 cost range. However, convoys auto-repair between each attack, and most aircraft are too weak to sink a convoy in one attack. deadstalker007. BEST SHIP = sub or perhaps light cruisers. If you really want to blockade the uk, take the East Indies except,for the Singapore peninsula, and build radar and have aircraft stationed. The largest cargo ship in the world is the OOCL Hong Kong at roughly 210,000 tons.