Sentry ADS-B Receiver by ForeFlight
Now with improved performance
In stock
Backordered
ADS-B receiver with CO detector—made for ForeFlight
Sentry is a compact, affordable ADS-B receiver specifically made for ForeFlight. In addition to popular features like ADS-B weather, traffic, and WAAS GPS, Sentry also includes a carbon monoxide detector to warn of dangerous conditions in the cockpit. No larger than a deck of cards, Sentry packs a long list of features into a small size, but still offers up to 12 hours of battery life.
Features
Subscription-free weather
Dual band ADS-B traffic
Built-in WAAS GPS
Backup attitude information (AHRS)
Carbon monoxide alarm
Pressure altitude sensor
Up to 12-hour battery life
Connect to ForeFlight via Wi-Fi (5 devices)
Essential pilot tools:
Subscription-free Weather
Sentry Plus receives all the weather products transmitted by the FAA, including newer options like icing forecasts and cloud tops—and there is no monthly subscription for weather. As long as you’re within range of a ground station (usually 500 to 1,000 feet AGL), everything is regularly refreshed. ForeFlight makes it easy to overlay multiple weather graphics on your route of flight, so you can make informed decisions and stay safe.
Jam-resistant GPS
Sentry Plus also includes a multi-constellation GPS receiver that is incredibly accurate and reliable. In addition to 1-meter accuracy, the built-in receiver will switch to the European Galileo satellite constellation if the US’s GPS system is jammed or unavailable for any reason. It’s a powerful bit of redundancy, and it’s all automatic.
AHRS for backup attitude
The built-in AHRS drives a real-time pitch and bank display in ForeFlight. If you subscribe to Synthetic Vision, you can even see a 3D view of the world, complete with airports, terrain, obstacles, and traffic. This is not intended for primary reference, but it’s a great backup, and it is also recorded for ForeFlight track log replay.
ADS-B traffic
Sentry has a dual-band ADS-B receiver, so you’ll see traffic both directly from other aircraft equipped with ADS-B Out (air-to-air transmission) and from ground stations (TIS-B traffic broadcasts).
Carbon Monoxide Detector
A first for portable ADS-B receivers, Sentry provides a built-in carbon monoxide sensor and alerting system, with an audio and in-app alert when CO concentration reaches hazardous levels. The LED indicator also provides a visual indication of CO levels.
12-Hour Battery Life
Sentry’s efficient power usage allows up to 12 hours of continuous operation on a single charge, providing non-stop situational awareness for the long haul. It recharges using the included USB-C cable and can be powered in flight.
Integrated Weather Replay
With onboard memory supporting up to 30 minutes of FIS-B data, Sentry saves animated radar and other weather data, so it is available as soon as you connect. Turn off your iPad screen and save battery when not in use.
Seamless Integration with ForeFlight
Sentry was made specifically to work with ForeFlight, aviation's most popular app, so it is easy to use. You can review complete status information on the dedicated Sentry Status page in ForeFlight, adjust settings, and do firmware updates wirelessly.
Fast & Reliable Mounting with Quick Release
Sentry’s quick release mechanism means you can attach and remove it in under a second. The popular RAM® suction cup mount ensures a long-lasting seal and high heat tolerance so you can leave it in the plane between flights.
Compact Form Factor
If you’ve got room for a deck of cards in your aircraft, you’ve got room for Sentry. It is large enough to not get lost under the seat, yet small enough that it doesn’t block your view, and the internal battery makes charging simple and straightforward. It measures 2.25"w x 3.25"l x 1.25"d.
ADS-B weather products
Turbulence
This forecast product estimates the maximum level of turbulence from 2,000' MSL to 24,000' MSL.
Cloud tops
This displays the location of cloud tops at the selected altitude, from 1,500' MSL to 24,000' MSL.
Lightning
Displays cloud-to-ground strikes. Updated every 5 minutes, this helps assess the severity of storm systems.
Center weather advisories
These bulletins depict areas where active weather systems are developing.
The Sentry Family
Sentry Mini
The easiest and most affordable way to fly with subscription-free weather, Sentry Mini weighs less than 2 ounces but still delivers all the essential features for cross country flying.
SHOP NOW
Sentry
Sentry is a compact, affordable ADS-B receiver specifically made for ForeFlight. In addition to popular features like ADS-B weather and traffic, Sentry also includes a carbon monoxide detector to warn of dangerous conditions in the cockpit.
SHOP NOW
Sentry Plus
A first of its kind OLED display. An unmatched 18-hour battery life. A next-generation flight data recorder with G-meter. Sentry Plus is loaded with features everything else that made its predecessor the best-selling weather receiver in aviation
SHOP NOW
Sentry Mini
The easiest and most affordable way to fly with subscription-free weather, the Sentry Mini weighs less than 2 ounces but still delivers all the essential features for cross-country flying.
SHOP NOW
Sentry
Sentry is a compact, affordable ADS-B receiver specifically made for ForeFlight. In addition to popular features like ADS-B weather and traffic, Sentry also includes a carbon monoxide detector to warn of dangerous conditions in the cockpit.
SHOP NOW
Sentry Plus
A first-of-its-kind OLED display. An unmatched 18-hour battery life. A next-generation flight data recorder with G-meter. Sentry Plus is loaded with features that made its predecessor the best-selling weather receiver in aviation
SHOP SENTRY
In the Box
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Sentry
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USB-C charging cable (no plug)
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Suction cup mount
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Rugged carrying case
Download the User Guide Here
