{"id":637,"date":"2026-11-03T19:50:49","date_gmt":"2026-11-03T11:50:49","guid":{"rendered":"http:\/\/www.frasercoastmaintenance.com\/blog\/?p=637"},"modified":"2026-11-03T19:50:49","modified_gmt":"2026-11-03T11:50:49","slug":"what-are-the-autopilot-systems-on-trawlers-4e0d-96ad51","status":"publish","type":"post","link":"http:\/\/www.frasercoastmaintenance.com\/blog\/2026\/11\/03\/what-are-the-autopilot-systems-on-trawlers-4e0d-96ad51\/","title":{"rendered":"What are the autopilot systems on trawlers?"},"content":{"rendered":"

What are the autopilot systems on trawlers? As a trawler supplier, I get asked this all the time\u2014especially from guys who\u2019ve been out fishing for years but never dabbled in the tech side of their boats, or new owners looking to upgrade from that janky old hand-steering setup. Let\u2019s break this down like I would over a cup of coffee at the dock, no confusing jargon, just what actually works for the trawler life. Trawlers<\/a><\/p>\n

<\/p>\n

First off, let\u2019s remember: trawlers aren\u2019t your average weekend cruisers. They\u2019re out for days, sometimes weeks, bouncing over rough seas, towing nets that pull sideways, and dealing with constant wind shifts that\u2019d throw a basic car-style autopilot totally off. So the autopilot systems here aren\u2019t one-size-fits-all. They\u2019re built specifically for the heavy, high-stakes stuff trawlers deal with.<\/p>\n

Let\u2019s start with the basics: what a trawler autopilot does that\u2019s different. A regular autopilot just keeps your boat going a straight line based on a compass heading. But trawlers? They\u2019re dragging a big net or trawl, right? That net creates a ton of sideways drag\u2014like having a giant parachute behind you. So a basic autopilot would see that pull and overcorrect nonstop, making you burn more fuel and wear out your steering motor way faster. Trawler-specific systems fix that. That\u2019s the first big thing to wrap your head around.<\/p>\n

Now, let\u2019s go through the most common systems I sell, and what makes them stand out. First up: the mechanical linear drive autopilot. This is the workhorse for smaller trawlers\u2014think 30 to 50 foot boats. It\u2019s super simple, connects straight to your existing steering gear with a linear actuator (basically a metal rod that pushes or pulls your steering wheel or ram). No fancy stuff, just reliable. I\u2019ve put this on so many of my used trawler conversions, and fishermen swear by \u2019em. The only catch is, if you have a really big trawler with heavy steering, you need to size the actuator right. Too small, and it\u2019ll burn out fast. I always tell folks, don\u2019t skimp on the motor size here. If your trawler\u2019s over 50 feet, this might not cut it, but for smaller inshore or nearshore trawlers? Perfect.<\/p>\n

Next, hydraulic autopilots. These are for the mid-sized to larger trawlers\u201450 feet and up, especially offshore guys. Trawlers this size have hydraulic steering already (you can\u2019t turn a 50-foot boat with manual steering, trust me), so these systems tap into that existing hydraulic system instead of adding a separate electric actuator. That means more power, way better at handling that trawl pull in rough seas. The big name here, and the one I stock most of, is the drive-by-wire hydraulic autopilot. It uses a GPS module, compass, and even wind sensor to adjust steering constantly. If the wind picks up, or the net pulls, it senses it and makes tiny corrections instead of big jerky moves that waste fuel. I had a customer last month with a 60-foot dragger who said he used to burn 10 extra gallons a day before he switched to this. Game changer for his long runs.<\/p>\n

Wait, there\u2019s also a niche one I see more and more lately: gyro-stabilized autopilots. These are for guys who go way offshore, like the Bering Sea or North Atlantic, where seas are crazy. A regular compass or GPS can freak out in rough water\u2014tilt, pitch, roll, and the heading reading gets all messed up. Gyro systems use a spinning gyroscope that stays stable no matter how the boat moves. So it keeps a dead straight course even when waves are crashing over the bow. The downside? They\u2019re pricier, and a little bulkier. But if you\u2019re out chasing fish for weeks at a time, it\u2019s worth every penny. I recommend these to my long-range trawler owners, especially the guys running in rough conditions.<\/p>\n

Now, let\u2019s talk about what actually matters when picking one for your trawler, not just the brand name. First, integration with your other gear. Trawlers have a million screens\u2014fish finders, radar, GPS plotters. You want your autopilot to talk to all of those. Like, if your fish finder picks up a big school of fish dead ahead, you can adjust your course right from the autopilot screen without fumbling around. Or if your radar shows a ship coming up on your starboard side, the autopilot can give you an audible alert and even adjust course slightly to avoid a collision. I see a lot of guys buy a cheap autopilot that doesn\u2019t integrate with their existing setup, and then they end up using half of it. Don\u2019t do that.<\/p>\n

Second, ease of use. When you\u2019re out at 2 a.m. in rough seas, you don\u2019t want to be scrolling through 10 menus to adjust your heading. A lot of the new systems have big, touchscreen interfaces with big buttons, or even voice control now. I\u2019ve demoed the latest models, and you can literally just say \u201cSet course to 320 degrees\u201d and it does it. That\u2019s a huge deal when you\u2019re tired, watching the net, and trying not to miss that fish bite.<\/p>\n

Third, durability. Trawlers get beat up\u2014saltwater, constant vibration, humidity. Your autopilot can\u2019t be flimsy. All the systems I sell are marine-rated, so they\u2019re sealed against water and corrosion. I\u2019ve had customers bring in boats where a cheap autopilot failed because of saltwater damage, and I always swap \u2019em out for the ones I carry because they hold up. That\u2019s why I\u2019m picky about what I stock\u2014no garbage, stuff that works when you need it most.<\/p>\n

Wait, let\u2019s not forget about a key feature specific to trawlers: trawl mode. That\u2019s the thing that sets these apart from regular boat autopilots. Trawl mode adjusts the steering to account for the pull of the net. When you\u2019re towing a trawl, the net drifts to the side a little, so the autopilot has to counteract that. Without trawl mode, you\u2019re steering nonstop just to keep straight. I had a customer who said he used to work his arm off steering for 12-hour shifts, and with trawl mode, he can relax a little, keep an eye on the net, and still make his runs on time. That feature alone is worth upgrading.<\/p>\n

What about old vs. new systems? A lot of trawler owners have been around for decades, and they\u2019re used to analog autopilots. Those still work, right? Yeah, for small boats. But the new digital ones are way more accurate. The analog ones use a fluxgate compass, which can get thrown off by metal gear on your boat\u2014engine, winches, whatever. Digital ones use GPS and multiple sensors, so they\u2019re way less prone to interference. I still sell a few analog systems for guys with tiny 25-foot trawlers who don\u2019t need the extra tech, but most folks go digital now.<\/p>\n

Another thing: redundancy. If you\u2019re out offshore, the last thing you want is your autopilot dying. A lot of modern trawler autopilots have built-in redundancy\u2014if one sensor goes down, another kicks in. Some even have dual control heads, so you can have one at the wheel and one at the console. I recommend that for any trawler that goes more than 20 miles offshore. It\u2019s an extra cost, but it\u2019s peace of mind when you\u2019re a day out and the system acts up.<\/p>\n

Now, as a trawler supplier, I don\u2019t just sell systems\u2014I help you pick the right one for your boat and your style of fishing. Let\u2019s say you\u2019re a small inshore trawler, 35 feet, mostly in the Gulf of Mexico, towing shrimp nets. I\u2019d go with the linear drive system\u2014affordable, easy to install, holds up. If you\u2019re a 55-foot dragger going out for cod off New England, the hydraulic autopilot with trawl mode is the way to go. If you\u2019re a long-range trawler going to the Caribbean or the Bering Sea, spring for the gyro-stabilized one. It all depends on what you need.<\/p>\n

I\u2019ve seen too many guys buy the cheapest autopilot they can find online, and then end up back at the dock a month later complaining it didn\u2019t work. Don\u2019t make that mistake. The right autopilot saves you fuel, reduces wear and tear on your steering gear, and makes those long trips way less tiring. Plus, it\u2019s a safety thing\u2014when you\u2019re not busy steering, you can focus on watching your nets, your crew, and other boats around you. That\u2019s a big deal.<\/p>\n

<\/p>\n

If you\u2019re looking to upgrade your trawler\u2019s autopilot, or you\u2019re building a new trawler and need to kit out the navigation gear, hit me up. I\u2019ve been working with trawlers for years, so I know exactly what works, what doesn\u2019t, and how to install it right the first time. No pushy sales talk, just straight advice for fishermen, from a trawler guy who\u2019s seen it all.<\/p>\n

Work Boats<\/a> Reference 1: "Marine Autopilot Systems: Selection and Installation for Commercial Vessels", International Maritime Organization, 2022
\nReference 2: "Trawler Navigation Gear: Best Practices for Durability and Performance", National Marine Manufacturers Association, 2021
\nReference 3: "Gyro-Stabilized Autopilots for Offshore Fishing Vessels", Journal of Marine Technology, Vol. 58, No. 3, 2023<\/p>\n

\n

Longkou Jinda Shipping Co., Ltd.<\/a>
As one of the most professional trawlers manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to buy premium trawlers for sale here from our factory. Welcome to contact us for customized service.
Address: North of Shuangyu Village, Xingjia Sub-district, Longkou City, Yantai City, Shandong Province
E-mail: leven@jindaship.com
WebSite: https:\/\/www.jinda-ship.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

What are the autopilot systems on trawlers? As a trawler supplier, I get asked this all … What are the autopilot systems on trawlers?<\/span>Read more<\/a><\/p>\n","protected":false},"author":349,"featured_media":637,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[600],"class_list":["post-637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-trawlers-4c05-979559"],"_links":{"self":[{"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/posts\/637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/users\/349"}],"replies":[{"embeddable":true,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/comments?post=637"}],"version-history":[{"count":0,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/posts\/637\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/posts\/637"}],"wp:attachment":[{"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/media?parent=637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/categories?post=637"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.frasercoastmaintenance.com\/blog\/wp-json\/wp\/v2\/tags?post=637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}