Boeing ForeFlight Sentry Pilot's Manual
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Boeing ForeFlight Sentry Pilot's Manual

Boeing ForeFlight Sentry Pilot's Manual

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Summary of Contents for Boeing ForeFlight Sentry

  • Page 1 Sentry Pilot’s Guide...
  • Page 2 Copyright © 2024 ForeFlight LLC. All rights reserved. Unauthorized commercial distribution of this manual or any revisions is strictly prohibited. ForeFlight® is a registered trademark of ForeFlight, LLC, and may not be used without the permission of ForeFlight.

  • Page 3: Warranty Information

    WARRANTY INFORMATION By using your Sentry, Sentry Mini, or Sentry Plus, you accept and agree to the following terms and conditions: All device operational procedures must be learned on the ground. Received traffic information is to be used as an aid to situational awareness and is merely supplemental and advisory.

  • Page 4: Table Of Contents

    CONTENTS INTRODUCTION ....................6 Dimensions ........................7 Mounting Sentry ......................8 Connecting to Sentry ....................9 Firmware Updates .....................10 SENTRY PLUS ....................11 Sentry Plus Features ....................11 Power Button ......................12 OLED Display ......................13 Battery ........................15 Connectivity .......................17 Accelerometer (g-Load) .....................22 Flight Data Recorder ....................24 FLARM ........................28 SENTRY ......................29 Power Button ......................30 LED Status ........................30...
  • Page 5 CONTENTS ADS-B WEATHER ..................53 ADS-B Ground-Based Towers ...................54 Weather Replay ......................56 ADS-B Map Layers ....................56 ForeFlight Pack ......................57 CONUS and Regional NEXRAD (ADS-B) ..............59 Animated ADS-B Radar .....................60 Cloud Tops (ADS-B) ....................61 Icing (ADS-B) ......................62 Turbulence (ADS-B) ....................63 Freezing Lvls (ADS-B) ....................64 AIRMETs, SIGMETs, CWAs ..................65 PIREPs ........................66 Lightning ........................67...

  • Page 6: Introduction

    INTRODUCTION Sentry portable receivers are compact, powerful devices that deliver real-time weather, traffic, WAAS GPS, and more to ForeFlight Mobile. The receivers are only compatible with ForeFlight Mobile and can connect up to five devices simultaneously. Refer to the table below to compare Sentry features. Features Sentry Mini Sentry...

  • Page 7: Dimensions

    INTRODUCTION Dimensions Sentry receivers are portable devices that fit easily into most flight bags. Their dimensions are displayed in the image below. NOTE: Sentry units sold before November 2023 measure 2.3” W, 3.3” H, and 1.5” D. Sentry Pilot’s Guide...

  • Page 8: Mounting Sentry

    INTRODUCTION Mounting Sentry Sentry, Sentry Mini, and Sentry Plus can be mounted with the provided RAM mount. The RAM mount includes a quick release that allows it to be detached from the receiver while leaving the mount in place. For best results, mount the receiver vertically on a side window with an unobstructed view of nearby aircraft and ADS-B ground towers.

  • Page 9: Connecting To Sentry

    INTRODUCTION Connecting to Sentry Whether connecting to Sentry, Sentry Mini, or Sentry Plus, start by powering the device on. Sentry and Sentry Plus can be powered on by holding the power button for approximately two seconds until the LEDs illuminate. Power the Sentry Mini on by connecting the provided USB-C cable to a 5-volt, 2-amp power source.

  • Page 10: Firmware Updates

    INTRODUCTION Firmware Updates ForeFlight provides Sentry firmware updates. If updated firmware is available for a Sentry, Sentry Mini, or Sentry Plus, ForeFlight will provide a prompt to update the firmware. If no prompt is provided, ForeFlight has determined that the latest firmware has been installed.

  • Page 11: Sentry Plus

    SENTRY PLUS Sentry Plus is the most capable Sentry receiver available for use with ForeFlight Mobile. It is a portable, battery-powered device that delivers real-time weather, traffic, GPS, and more to ForeFlight Mobile. Sentry Plus Features Tap a Sentry Plus feature to learn more. Dual-Band ADS-B Traffic •...

  • Page 12: Power Button

    SENTRY PLUS Power Button Sentry Plus has a single button located below the OLED display. Press and hold the button for two seconds to power it on or off. LED Status Sentry Plus has four LEDs. The ADS-B, CO, and GPS LEDs are activated when powered on, and the PWR LED is activated when Sentry Plus is charging or powered on.

  • Page 13: Oled Display

    SENTRY PLUS OLED Display Sentry Plus is equipped with an OLED display that is automatically enabled when the device is powered on and remains on until the device is powered off. When it is initially powered on, a splash screen depicts the Sentry logo and installed firmware version. After the splash screen, one of four possible views is displayed.
  • Page 14 SENTRY PLUS OLED Views The Sentry Plus OLED display contains four views. Each view displays real-time information. Press the power button to cycle between the available views. Acceleration depicts real-time accelerometer data. Acceleration is measured on • the pitch axis. While straight and level, the acceleration view indicates 1.0g. CO Status depicts carbon monoxide concentration.

  • Page 15: Battery

    SENTRY PLUS Battery Sentry Plus is equipped with a rechargeable battery. It is designed to provide up to 18 hours of use with a full charge and is not intended to be replaceable. When Sentry Plus is powered on, the battery percentage is shown in the top left corner of the OLED display.
  • Page 16 SENTRY PLUS Shutdown After Inactivity Sentry Plus is equipped with a Shutdown After Inactivity setting. If this setting is enabled, Sentry Plus will automatically power off 30 minutes after disconnecting from ForeFlight unless connected to a power source. The Shutdown After Inactivity setting is disabled by default. To enable this setting, go to More >...

  • Page 17: Connectivity

    SENTRY PLUS Connectivity When powered on, Sentry Plus automatically creates a wireless network connecting up to five devices simultaneously. The wireless network does not have a password by default. Connect to Sentry Plus by powering it on and selecting its wireless network from the iPad or iPhone Wi-Fi Settings.
  • Page 18 SENTRY PLUS How to hide the SSID broadcast To prevent devices from seeing the Sentry Plus wireless network, disable the SSID broadcast. Disabling the SSID broadcast hides the network from devices that have not yet connected to Sentry Plus. To hide the Sentry Plus network, toggle the SSID Broadcast off in Sentry Plus settings on the Devices view or Map Settings.
  • Page 19 SENTRY PLUS WPA2 Security Sentry Plus does not have a passcode by default. A passcode can be assigned from the Maps or Devices view. To assign a passcode, 1. Select More > Devices > Sentry Plus > Sentry Plus Network. 2.
  • Page 20 SENTRY PLUS Wi-Fi Client Support If an aircraft is equipped with a wireless network, Sentry Plus can join the network and provide its data through the aircraft’s wireless network. Sentry Plus will remember the aircraft’s wireless network and automatically join it powered on. Connecting Sentry Plus to an aircraft network allows ForeFlight to receive data from Sentry Plus and the aircraft simultaneously.
  • Page 21 SENTRY PLUS Simultaneous Data Feeds When Sentry Plus is connected to an aircraft’s wireless network (e.g., Satcom Direct, GoGo), ForeFlight can receive data from Sentry Plus and the aircraft’s WiFi network simultaneously. The data that ForeFlight can send or receive depends on the aircraft’s network settings.

  • Page 22: Accelerometer (G-Load)

    SENTRY PLUS Accelerometer (g-Load) Sentry Plus is equipped with an accelerometer. The accelerometer detects loads placed on the pitch axis during flight. Real-time accelerometer data can be displayed on the OLED screen and ForeFlight Mobile’s instrument panel. Accelerometer Data G-Meter ForeFlight Mobile Instrument Panel Sentry Pilot’s Guide...
  • Page 23 SENTRY PLUS g-Load in Track Logs Track Logs recorded with Sentry Plus or ForeFlight Mobile while connected to Sentry Plus include g-Load data. Track Log data is recorded every second (1hz). To display g- Load in Track Log, tap the Track Log Layer Selector and select g-Load. When g-Load is selected, data from the accelerometer is displayed on the scale.

  • Page 24: Flight Data Recorder

    SENTRY PLUS Flight Data Recorder Sentry Plus is equipped with an integrated Flight Data Recorder. The Flight Data Recorder automatically captures track, altitude, attitude, groundspeed, and g-Load data every second (1hz) for every flight. The Flight Data Recorder automatically starts a Track Log each time Sentry Plus is powered on.
  • Page 25 SENTRY PLUS After selecting Import From Sentry Plus, ForeFlight displays up to 16 Track Logs from its internal memory. Track Logs that have already been imported to ForeFlight display a green checkmark. Track Logs that have not been imported display a blue download button above the size of the individual Track Log.
  • Page 26 SENTRY PLUS When automatic track log import is enabled, Sentry Plus will finalize and import Track Logs into ForeFlight before powering off (provided the conditions above are met). If a Track Log is not imported before powering off due to not meeting one of the conditions, the next time Sentry Plus is powered on, it will import the Track Log into ForeFlight as long as the conditions are met.
  • Page 27 SENTRY PLUS Deleting ForeFlight Track Log recorded with Sentry Plus Deleting a Track Log from ForeFlight does not delete it from Sentry Plus. Track Logs recorded with Sentry Plus that are imported and later deleted from ForeFlight may be able to be imported again. NOTE: Track logs cannot be recovered from Sentry Plus once they have been overwritten.

  • Page 28: Flarm

    SENTRY PLUS FLARM FLARM is a collision avoidance technology popular in the glider pilot community, particularly in Europe. Sentry Plus is equipped with a FLARM receiver which provides additional traffic awareness for general aviation and light aircraft. FLARM operates on different frequencies in different regions of the world. The FLARM receiver in Sentry Plus operates on the European FLARM SRD860 frequency band (868.2 MHz to 868.4 MHz).

  • Page 29: Sentry

    SENTRY Sentry is the original device designed for ForeFlight to deliver real-time weather, traffic, GPS, and more. It’s built-in rechargeable battery can provide 12 hours of use. Sentry creates a wireless network to connect up to five devices simultaneously. Sentry Features Tap a Sentry feature to learn more.

  • Page 30: Power Button

    SENTRY Power Button Sentry has a single button located in the center of the device. Press and hold the button for approximately two seconds to power Sentry on or off. LED Status Sentry has four LEDs. The ADS-B, CO, and GPS LEDs are activated when Sentry is powered on.

  • Page 31: Battery

    SENTRY Battery Sentry is equipped with a single rechargeable battery that is not designed to be removed or replaced. Sentry exclusively supports USB 5V (volt) 2A (amp) chargers and will not charge if connected to one that delivers more power than it is designed for. When charging, the Sentry power light is blue.
  • Page 32 SENTRY Sentry Network Name (SSID) The default Sentry network name is generic (e.g., Sentry_AV53). The name can be changed if desired. Names must be unique, between 1 and 32 characters, and contain only letters, numbers, spaces, and underscores. How to change the network name To change the wireless network name (SSID), select More >...
  • Page 33 SENTRY WPA2 Security Sentry has no passcode by default, but one can be assigned from the Maps Settings or Devices view. To assign a passcode: 1. Select More > Devices > Sentry > Sentry Network. 2. Tap the WPA2 Security Enabled toggle. 3.

  • Page 34: Sentry Mini

    SENTRY MINI Sentry Mini is a compact ADS-B receiver measuring 3.3 x 2.3 x 0.6 inches and weighing 44 grams. It provides ForeFlight Mobile real-time weather, traffic, and WAAS GPS. Sentry Mini is powered by connecting it to a 5-volt portable or panel power source. It creates a wireless network connecting up to five devices simultaneously and requires ForeFlight Mobile version 11.5 or later.

  • Page 35: Powering Sentry Mini

    SENTRY MINI Powering Sentry Mini To power Sentry Mini, plug the provided USB-C cable into a 5V (volt) 2A (amp) portable or aircraft power source. Sentry Mini is not equipped with an internal battery. When Sentry Mini is powered on, the GPS and ADS-B LEDs illuminate, and Sentry Mini creates a wireless network.

  • Page 36: Connecting To Sentry Mini

    SENTRY MINI Connecting to Sentry Mini To connect to Sentry Mini, power the device on by connecting a 5-volt, 2-amp power source. The Sentry Mini broadcasts a wireless network connecting up to five devices simultaneously. With Sentry Mini powered on, open the iPad/iPhone Settings app and select Wi-Fi. Locate Sentry Mini’s wireless network and tap to connect.

  • Page 37: Gps

    Sentry, Sentry Mini, and Sentry Plus are equipped with an integrated WAAS GPS and can receive GNSS position data from GPS and GLONASS. Sentry receivers are resistant to advanced jamming techniques. Sentry GPS Accuracy GPS accuracy is determined by Sentry’s internal processor. The processor controls Sentry’s GPS LED and sends accuracy data to ForeFlight for display in GPS LED the Accuracy instrument.
  • Page 38 Troubleshooting GPS If Sentry GPS accuracy exceeds 100 meters, ForeFlight will not display the aircraft’s position on the map. To troubleshoot GPS issues or to compare GPS accuracy with the iOS device’s internal GPS (if equipped), select More > Devices > Sentry and disable Use as GPS.

  • Page 39: Barometer

    BAROMETER Sentry and Sentry Plus are equipped with an integrated barometer. The barometer sends ForeFlight ambient air pressure information (uncorrected). Barometric data is used to determine pressure altitude or cabin pressure in ForeFlight Mobile. Pressure Altitude To display pressure altitude, open the ForeFlight Instrument Panel by tapping the airspeed indicator button (see image).

  • Page 40: Ahrs

    AHRS Sentry and Sentry Plus provide ForeFlight Mobile with an attitude and (GPS) heading reference system (AHRS). Attitude data is provided by a 3-axis accelerometer and digital gyroscope. ForeFlight Mobile’s backup attitude indicator displays Sentry’s attitude and GPS track information in real-time. Attitude and GPS track information can be reviewed post-flight with ForeFlight Track Log.

  • Page 41: Mounting Location

    AHRS Mounting Location To provide accurate pitch and roll information, Sentry must communicate to ForeFlight where it is mounted. Selecting a mounting location is one of the options provided during the initial setup process. The initial setup menu automatically displays whenever ForeFlight recognizes a new Sentry or Sentry Plus.

  • Page 42: Calibrating Ahrs

    AHRS Calibrating AHRS Sentry and Sentry Plus AHRS can be calibrated automatically or manually. Calibrating Sentry AHRS ensures the backup attitude indicator displays a level horizon when straight and level. The recommended method is to calibrate AHRS automatically. Automatically Calibrating AHRS To automatically calibrate Sentry or Sentry Plus AHRS, perform the following: 1.
  • Page 43 AHRS Manually Calibrating AHRS To manually calibrate AHRS, follow the steps below: 1. Open ForeFlight’s backup attitude indicator by tapping the Attitude Indicator button in the upper toolbar. 2. Tap the AHRS settings (gear) button near the bottom left corner of the screen.

  • Page 44: Ads-B Traffic

    ADS-B TRAFFIC ADS-B data is broadcast on either the 978 MHz or 1090 MHz frequency (1090 MHz is required internationally and above FL180). Sentry, Sentry Mini, and Sentry Plus are dual-band receivers capable of detecting traffic on both ADS-B frequencies. Aircraft with a Sentry do not need to be ADS-B Out equipped for Sentry to receive traffic.

  • Page 45: Traffic Icons

    ADS-B TRAFFIC Traffic Icons Traffic icons are depicted in ForeFlight based on several variables. Moving targets are displayed as arrowheads pointing in the direction of travel. Stationary targets, or targets with no direction or speed information, are displayed as diamonds. Airborne traffic targets are cyan.

  • Page 46: Traffic Alerts

    ADS-B TRAFFIC Traffic Alerts Visual traffic alerts are enabled by default. Tap More > Settings > Alerts to review selections. When traffic is within 25 seconds of being less than 1.3 nm and +/- 1,200 ft, the traffic target turns red, and a pop-up alert appears regardless of which ForeFlight view is active.

  • Page 47: Hide Distant Traffic

    ADS-B TRAFFIC Hide Distant Traffic All traffic detected by Sentry is displayed in ForeFlight when the Traffic map layer is selected. To reduce the amount of traffic displayed on the map, enable the Hide Distant Traffic setting. When Hide Distant Traffic is enabled, traffic more than 15 nautical miles away or more than 3,500 ft above or below the current position is removed from the map.

  • Page 48: Traffic Information Service Broadcast (Tis-B)

    ADS-B TRAFFIC Traffic Information Service Broadcast (TIS-B) The Traffic Information Service Broadcast (TIS-B) is a component of ADS-B traffic. The TIS-B broadcast includes non-ADS-B Out equipped traffic on the 978 MHz frequency. TIS-B is broadcast for the benefit of client aircraft. A client aircraft is any aircraft that is ADS-B Out equipped.
  • Page 49 ADS-B TRAFFIC ADS-B Traffic Example In the example below, N123AA is included in the TIS-B broadcast because it is within 15 nm and 3,500 ft of a client aircraft. N987ZZ is not included in the TIS-B broadcast because it is outside the 15 nm requirement. SWA3007 is not included in the TIS-B broadcast because it is an ADS-B Out equipped aircraft (1090 MHz).
  • Page 50 ADS-B TRAFFIC How TIS-B is received TIS-B traffic is broadcast on the 978 MHz frequency. Only Mode-C traffic detected by surveillance radar within 15 nm and 3500 ft of ADS-B Out equipped aircraft are transmitted via TIS-B. Air-to-air ADS-B broadcasts are not a part of TIS-B. Pilots using a Sentry receiver within the service volume of an ADS-B ground station will receive TIS-B data for display in ForeFlight.
  • Page 51 ADS-B TRAFFIC ADS-B Ownship ADS-B Ownship is the process of identifying a traffic target as the aircraft itself. There are a few benefits for determining ADS-B Ownship. An aircraft’s traffic target is suppressed from the • ForeFlight map when ownship is detected. Information from the ADS-B Out transmission can •...
  • Page 52 ADS-B TRAFFIC False Traffic Alerts If Sentry detects the aircraft’s ADS-B Out equipment and the information does not match Sentry’s GPS, the aircraft will appear as a traffic target. Ownship status can not be assigned to an aircraft if GPS data does not match. If ownship is not assigned to the aircraft, the aircraft may generate false traffic alerts if detected.

  • Page 53: Ads-B Weather

    ADS-B WEATHER The Flight Information Service Broadcast (FIS-B), commonly referred to as ADS-B weather, is a continuous ground-based weather and NOTAM broadcast. The FIS-B broadcast also includes information related to the ground station (e.g., latitude, longitude, tower type, and status). ForeFlight can display ADS-B weather, NOTAMs, and tower information on the map when connected to Sentry, Sentry Mini, or Sentry Plus.

  • Page 54: Ads-B Ground-Based Towers

    ADS-B WEATHER ADS-B Ground-Based Towers Hundreds of towers throughout the United States broadcast FIS-B data. There are four types of FIS-B ground-based towers: surface, low-altitude, medium-altitude, and high- altitude. Each tower type provides a range of aeronautical information (see table in this chapter for additional details).
  • Page 55 ADS-B WEATHER ADS-B Tower Tier Look-Ahead Range Refer to the table below to determine weather product availability and broadcast range. Surface Low-Altitude Medium- High-Altitude Weather Product Towers Tier Altitude Tier Tier CONUS NEXRAD Not Provided Entire CONUS 150 nm 200 nm 250 nm REGIONAL NEXRAD 100 nm...

  • Page 56: Weather Replay

    ADS-B WEATHER Weather Replay All Sentry receivers have an integrated memory chip that stores up to 30 minutes of weather and NOTAM data. When Sentry is powered on and receiving ADS-B data, it automatically starts storing the information it receives. Sentry automatically deletes data older than 30 minutes.

  • Page 57: Foreflight Pack

    ADS-B WEATHER ForeFlight Pack ForeFlight can download charts, weather, NOTAMs, and fuel price information for an upcoming flight so that the information can be accessed en route. Pack requires an active internet connection and can not be completed while connected to Sentry. ForeFlight recommends Packing for flights before heading to the aircraft.
  • Page 58 ADS-B WEATHER Packing with Sentry When packed for a flight and connected to a Sentry, ForeFlight displays the latest information it has available. For example, if packing for a flight and checking METARs along the route before receiving FIS-B data, ForeFlight will show the METARs from when the packing was done.

  • Page 59: Conus And Regional Nexrad (Ads-B)

    ADS-B WEATHER CONUS and Regional NEXRAD (ADS-B) Medium- and high-altitude FIS-B towers broadcast next-generation radar (NEXRAD) for the Continental United States (CONUS). Regional NEXRAD is broadcast by all tower tiers and is higher resolution than CONUS NEXRAD, with a faster refresh rate. To display ADS-B NEXRAD data, select the Radar (ADS-B) map layer.

  • Page 60: Animated Ads-B Radar

    ADS-B WEATHER Animated ADS-B Radar When Radar (ADS-B) is selected, the animate (play) button is displayed on the left of the time slider at the bottom of the Maps view. The time slider and play button are removed when less than two radar frames are available. ForeFlight will animate (loop) up to 15 frames of NEXRAD data.

  • Page 61: Cloud Tops (Ads-B)

    ADS-B WEATHER Cloud Tops (ADS-B) The Cloud Top (ADS-B) weather layer is included with all subscriptions when connected to Sentry. Cloud tops are a forecast map layer from the National Weather Service (NWS). Cloud tops are derived from satellite temperature sensors using the High-Resolution Rapid Refresh (HRRR) model.

  • Page 62: Icing (Ads-B)

    ADS-B WEATHER Icing (ADS-B) The Icing (ADS-B) weather layer is included with all subscriptions when connected to Sentry. ADS-B icing is an NWS graphical forecast with a look-ahead range of 150 to 250 nm. Forecast icing severity and anticipated presence of super-cooled large droplets (SLD) are provided for every 2,000 ft up to 24,000ft MSL.

  • Page 63: Turbulence (Ads-B)

    ADS-B WEATHER Turbulence (ADS-B) The Turbulence (ADS-B) weather layer is included with all subscriptions when connected to Sentry (or another supported ADS-B receiver). Turbulence (ADS-B) is an NWS forecast map layer with a look-ahead range of 150 to 250 nm. Turbulence (ADS-B) displays the forecast eddy dissipation rate (EDR) (i.e., turbulence intensity) based on a medium aircraft weight category.

  • Page 64: Freezing Lvls (Ads-B)

    ADS-B WEATHER Freezing Lvls (ADS-B) The Freezing Level (ADS-B) layer is included with all subscriptions when connected to Sentry. The map layer provides a graphical representation of freezing levels across North America. Freezing levels are delineated with color-coded lines at 4000 ft intervals (MSL) up to 24,000 ft (MSL).

  • Page 65: Airmets, Sigmets, Cwas

    ADS-B WEATHER AIRMETs, SIGMETs, CWAs ForeFlight combines AIRMETs, SIGMETs, and Center Weather Advisories (CWA) into a single map layer. When the AIR/SIGMET/CWAs map layer is selected, AIR/SIGMET/CWA Filters the individual weather products can be filtered with the buttons near the bottom of the map. Buttons highlighted in blue are selected, and the relevant advisories are displayed graphically on the map during the appropriate active time.

  • Page 66: Pireps

    ADS-B WEATHER PIREPs Pilot reports (PIREPs) are broadcast over ADS-B with a range of 250, 375, and 500 nm for low-, medium-, and high-altitude towers, respectively. PIREPs are automatically refreshed in ForeFlight every ten minutes. PIREPs are displayed graphically on the map when the PIREPs layer is active. Tap a PIREP to display the coded and decoded PIREP text.

  • Page 67: Lightning

    ADS-B WEATHER Lightning The Lightning layer is included with all subscriptions when connected to Sentry. Lighting provides a graphical representation of the observed cloud-to-ground lightning strike density and polarity every five minutes from the U.S. national lightning detection network. Lighting data is transmitted over FIS-B with a 150 to 250 nm look-ahead range. Tap a lightning icon to reveal the number of strikes within the given radius.

  • Page 68: Metars

    ADS-B WEATHER METARs All tower types transmit METARs. Low-altitude towers transmit METAR data for airports within 250 nm. If receiving data exclusively from low-altitude towers, it will not be possible to display ADS-B METAR data for airports that are greater than 250 nm from the towers. METARs from ADS-B can be viewed the same way as when connected to the internet.

  • Page 69: Sua

    ADS-B WEATHER Special Use Airspace (SUA) is an area designated for operations that may impose limitations on aircraft not participating (Alert Area, Controlled Firing Area, Military Operations Area, Prohibited Area, Restricted Area, and Warning Area). SUA status is broadcast over the FIS-B NOTAM-D feed and displayed textually in ForeFlight. NOTAMs are not displayed graphically on the map when ADS-B is the sole source of NOTAM information.
  • Page 70 ADS-B WEATHER Temporary Flight Restrictions (TFR) Temporary Flight Restrictions (TFRs) are issued via FDC NOTAM. TFRs temporarily restrict non-participating aircraft access to airspace. TFRs from the preceding 30 days (with properly formatted graphical information) are displayed on the Maps view when the TFRs map layer is selected.

  • Page 71: Winds & Temperatures Aloft

    ADS-B WEATHER Winds & Temperatures Aloft Winds & Temperatures Aloft are broadcast over FIS-B with a look-ahead range of up to 1000 nm. Winds & Temperatures aloft are included with all subscriptions when connected to Sentry. To view Winds & Temperatures Aloft, tap an airport icon and select Weather > Winds. FIS-B Winds &...

  • Page 72: Carbon Monoxide

    CARBON MONOXIDE Sentry and Sentry Plus are equipped with an electronic carbon monoxide (CO) sensor. The sensor continuously monitors the concentration of CO and alerts to dangerous levels via in-app visual and audible alerts. The sensor has a life span of ten years and cannot be replaced.

  • Page 73: Alarms

    CARBON MONOXIDE If elevated levels of CO concentration exist after five minutes, the notification will be displayed again. If CO concentration increases to dangerous levels, another visual pop-up and audible notification will be displayed even if the previous notification was muted.

  • Page 74: Change History

    CHANGE HISTORY Version Date Change Summary September 2024 • Updated warranty information page • Updated features table • Updated Sentry dimensions • Minor edits and chapter reorganization August 2023 • Updated Universal USB-C Charging section • Updated Local Network Setting section June 2023 •...
  • Page 75 ForeFlight, LLC 2323 S Shepherd Dr, Houston, TX 77019 www.foreflight.com...

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