The Stratus 4 Portable ADS-B Receiver by Appareo delivers next-generation situational awareness in a compact, cockpit-ready design built for serious pilots. Featuring a first-in-class full-color touch screen and the only user-replaceable battery in its category, Stratus 4 redefines what aviators expect from portable avionics. Designed and Made in the USA, this 4th-generation unit blends a decade of innovation with thousands of pilot reviews to create the most capable portable receiver on the market. Receive subscription-free in-flight weather, real-time dual-band ADS-B traffic (978 MHz and 1090 MHz), and WAAS GPS positioning directly to your preferred device. Stratus 4 offers "Your Cockpit, Your Apps" freedom, seamlessly integrating with ForeFlight, Garmin Pilot, Stratus Insight, FlyQ, WingX Pro, and all other major iOS and Android EFB applications. Built for the long haul, Stratus 4 eliminates the frustration of non-serviceable hardware. The 8-hour rechargeable battery can be replaced in the field without tools, ensuring your investment stays in the cockpit and out of the repair shop. Additionally, the integrated Apple Find My™ network support means your receiver is never truly lost, even if it’s left behind at a remote FBO. From the integrated G-meter for dynamic flight awareness to the automatic AHRS supporting synthetic vision, Stratus 4 provides a visually stunning layer of safety for VFR and supplemental IFR use. Technical Specifications & Box Contents What’s Included: Stratus 4 ADS-B Receiver Protective Carrying Case USB-C Charging Cable Suction Cup Window Mount 110V Wall Plug Stratus Pilot’s Guide Specifications: Dimensions: 3.1" W x 6" D x 1.75" H Weight: 10.6 ounces Connectivity: Smart WiFi & USB-C Warranty: 2 Years Stratus 4: Frequently Asked Questions: Which aviation apps are compatible with Stratus 4? Stratus 4 features an "open" architecture, making it compatible with nearly every major aviation EFB on both iOS and Android. This includes ForeFlight, Garmin Pilot, Stratus Insight, FlyQ, WingX Pro, and FltPlan Go. How do I find my Stratus 4 if I leave it behind at the airport? The Stratus 4 is the first ADS-B receiver to include Apple Find My™ integration. You can register the device to your Apple account and track its location on a map from your iPhone or iPad, just like an AirTag. Is the battery really replaceable by the pilot? Yes. Unlike previous generations or competing models, the Stratus 4 features a user-replaceable battery. You can swap it out yourself without any tools, avoiding expensive factory servicing or downtime. Does Stratus 4 require a monthly subscription? No. Stratus 4 receives subscription-free FIS-B weather and ADS-B traffic information from ground-based towers. There are no recurring fees to access NEXRAD, METARs, TAFs, or traffic data. Can I use the Stratus 4 outside of the United States? While GPS and AHRS functions work globally, ADS-B weather information is currently only available within the United States, as it relies on UAT ground stations. Traffic can still be received air-to-air via the dual-band receiver. Does it work with Garmin Pilot? Absolutely. Stratus 4 is now considered one of the best portable receivers for Garmin Pilot users. It provides reliable GPS, weather, and traffic data, and even allows you to view receiver health directly in the app’s status section. How do I dim the screen for night flying? You can adjust the brightness of the full-color touch screen through the device’s main Settings menu or via the connected app (such as the Stratus Horizon Pro app) to ensure it doesn't interfere with your night vision. Can more than one device connect to a single Stratus 4? Yes. Multiple iPads or iPhones can connect to the Stratus 4’s built-in Wi-Fi network simultaneously, allowing both the pilot and co-pilot to view the same weather and traffic data. Does the Stratus 4 make me "ADS-B Out" compliant? No. Stratus 4 is an ADS-B In receiver. It allows you to receive data but does not fulfill the FAA’s requirement to transmit your position. You still need a certified ADS-B Out transponder for 2020 mandate compliance. How should I mount the Stratus 4 for the best AHRS performance? For the AHRS and synthetic vision to work accurately, the device should be mounted securely and aligned with the larger side pointing toward the front of the aircraft. It can be placed on the dash or used with the included window suction cup mount.
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