Sachin Walls
There are many third-party flight-tracking apps and websites that provide real-time flight information, such as Google, Flighty, FlightRadar24, and FlightAware. These tools can provide more information than airlines, such as where an aircraft is coming from, whether it's at the gate, and the weather at the destination airport. They can also predict delays before airlines notify passengers. However, some aircraft may not appear on flight-tracking websites due to a lack of ADSB capabilities or being out of range.
| Characteristics | Values |
|---|---|
| Difficulty tracking flights on airport websites | Inability to track flights in real-time, delayed updates on flight status, and limited access to flight information |
| Alternative flight tracking tools | Third-party flight tracking apps and websites, such as Flighty, FlightRadar24, FlightAware, and Google Flights |
| Advantages of third-party flight trackers | Real-time flight tracking, delay predictions, airport conditions, notifications, historical flight data, price tracking, and additional features |
| Flight tracking technologies | ADSB, MLAT, radar, and satellite technologies |
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What You'll Learn
- Inconsistent data sharing between datasources and providers
- Inability to track aircraft without ADSB capabilities or outside the range of radar and ADSB ground receivers
- Lack of user-friendly and efficient flight information provided by airlines
- Inaccurate predictions and outdated information on airport websites
- Limited access to satellite data and aircraft positioning information
Inconsistent data sharing between datasources and providers
Flight tracking is made possible by the multitude of datasources and providers that share data. However, inconsistent data sharing between these sources and providers can hinder the accuracy of flight tracking.
Firstly, not all aircraft are equipped with ADSB transponders, which are crucial for transmitting signals to ground stations and satellites for tracking. While ADSB is becoming more prevalent, some aircraft still lack this technology, resulting in gaps in flight tracking data.
Secondly, the range of ADSB ground receivers is limited. FlightRadar24, for example, has over 20,000 ground stations worldwide, but their range is typically restricted to 150-250 miles. Aircraft flying outside these ranges may not be accurately tracked, leading to inconsistencies in data.
Additionally, flight tracking relies on multiple datasources, including radar stations, MLAT (Multilateration), and satellite ADSB. MLAT, for instance, uses the 'Time Difference of Arrival' (TDOA) technique to calculate aircraft positions based on signal arrival times. However, this method can result in trippy-looking tracking lines, with aircraft appearing and disappearing depending on height and location.
Moreover, some aircraft operators may intentionally or unintentionally turn off transponders, resulting in a lack of flight track data. While turning off transponders is generally illegal, there are exceptions, and this practice can impact the consistency of data shared between datasources and providers.
Lastly, in cases where other tracking methods fail, estimations based on an aircraft's last known track and speed are used as a last resort. However, these estimations become less accurate over time, contributing to inconsistencies in flight tracking data.
To address these challenges, cooperation and efficient resource utilization among datasources and providers are essential. As ADSB technology becomes more widespread and mandated, it is likely to become the norm for flight tracking, improving data consistency and accuracy.
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Inability to track aircraft without ADSB capabilities or outside the range of radar and ADSB ground receivers
The inability to track aircraft without ADSB capabilities or outside the range of radar and ADSB ground receivers is a common issue for those using flight-tracking websites and apps. ADSB, or Automatic Dependent Surveillance-Broadcast, is a surveillance technology that relies on aircraft transmitting their position via satellite to ground stations. This technology has a limited range, typically between 150 and 250 miles, and aircraft that are out of range or lack ADS-B capabilities may not appear on flight trackers.
There are alternative methods to track aircraft that do not rely on ADS-B. One method is Multilateration (MLAT), which uses the 'Time Difference of Arrival' (TDOA) technique to calculate an aircraft's position based on the time it takes for a signal to arrive at different stations. This method can be used to track aircraft that appear and disappear from radar due to changes in height and location. Additionally, some aircraft may be within the range of an airfield's PSR (Primary Surveillance Radar), which can provide tracking information. However, turning off transponders, which is sometimes illegal, can result in no flight track being shown unless the aircraft is within PSR range.
While flight-tracking technologies continue to evolve, there may be limitations in tracking aircraft without ADS-B capabilities or outside the range of radar and ground receivers. In such cases, the last resort is often an 'estimation' based on an aircraft's last known track and speed, but these estimations become less accurate over time. As ADSB technology expands and improves, it is likely to become the norm for flight tracking, with regulators considering making it mandatory.
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Lack of user-friendly and efficient flight information provided by airlines
The rise of third-party flight-tracking apps and websites can be attributed to the lack of user-friendly and efficient flight information provided by airlines. These tools provide more information than airlines and are designed to be user-friendly and accessible.
Flight-tracking apps and websites offer real-time updates on flight statuses, including departure and arrival times, delays, and gate changes. They also provide information on the aircraft's previous flights, its current location, and its speed and altitude. This level of detail is often not available on airline websites or apps, which may only provide basic information such as estimated arrival and departure times.
For example, Flighty, a popular flight-tracking app, uses machine learning to predict delays due to late-arriving aircraft, up to 6 hours before an official notification from the airline. It also provides information on airport conditions and sends helpful notifications to users. Similarly, Google provides a simple way to check flight statuses by searching for a flight number, which displays a progress bar with the flight's duration and estimated arrival time.
These third-party tools fill a gap in the market by providing users with detailed, up-to-date information in a user-friendly format. While some airline apps have improved by offering better flight tracking and alerts, there is still room for improvement to match the convenience and efficiency offered by third-party providers.
As a result, travellers are increasingly turning to these third-party options for peace of mind and to make informed decisions about their travel plans, especially when dealing with potential delays or last-minute changes.
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Inaccurate predictions and outdated information on airport websites
Flight-tracking systems are not always accurate and can provide outdated information. While these systems are generally reliable, there are instances where they may not provide up-to-date data or precise predictions.
One reason for this is the limitation of the technology used. For example, radar stations have a limited range, typically around 150-250 miles, and their effectiveness decreases as aircraft fly outside this range. Additionally, transponders, which transmit signals to ground stations, are required for aircraft to be tracked. If a transponder is turned off or an aircraft lacks ADSB capabilities, it may not appear on flight-tracking systems.
Furthermore, flight-tracking systems may not account for unexpected delays or last-minute changes. Airlines often withhold delay information until the last minute, and by the time passengers are notified, flight-tracking apps may already have provided outdated departure times.
In addition, flight-tracking systems may not always accurately depict an aircraft's position, especially when viewed zoomed in. This can be due to GPS signal interference or multipath propagation, where signals bounce off objects, causing errors in the aircraft's position calculation.
Lastly, while flight-tracking systems can provide predictions, they are still estimations based on previous data. The longer the time goes on since the last known position and speed, the less accurate these estimations become.
To address these limitations, flight-tracking systems can utilise multiple data sources and advanced technologies such as MLAT (Multilateration) and ADSB (Automatic Dependent Surveillance-Broadcast). By combining data from various sources and using machine learning to analyse patterns, these systems can improve accuracy and reduce the impact of outdated information.
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Limited access to satellite data and aircraft positioning information
The ability to track flights in real-time is dependent on access to satellite data and aircraft positioning information. While some flight-tracking platforms have access to this data, not all of them do, and the level of access can vary.
Flight tracking websites and apps rely on data from various sources, including airlines, airports, and satellites. This data is then aggregated and analysed to provide users with information such as flight status, delays, and aircraft positioning. However, not all data is readily available to all platforms.
For example, some aircraft may not be equipped with ADSB transponders, which transmit signals that can be picked up by ground stations or satellites. As a result, these aircraft may not appear on certain flight tracking platforms or may have limited tracking information. In such cases, other methods such as MLAT (Multilateration) can be used to estimate the aircraft's position based on the time difference of signal arrival.
Additionally, some data providers may have more extensive satellite networks or partnerships with airlines and airports, allowing them to access more comprehensive and timely data. This data can include aircraft positioning, departure and arrival times, and even historical flight information.
The limitations on satellite data and aircraft positioning information can vary depending on the aircraft, the region, and the capabilities of the flight tracking platform. In some cases, certain aircraft may choose to disable their transponders, which can impact the accuracy of tracking information.
To address these limitations, flight tracking platforms may employ a combination of methods, including the use of ground stations, satellite data, and aircraft transponders. By utilising multiple data sources, platforms can provide more accurate and comprehensive tracking information to their users.
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Frequently asked questions
Flight tracking websites rely on a lot of data sources and providers coming together to share data. No flight tracker in the world has ownership of all ADSB-capable satellites. Therefore, some flights may not appear on certain flight-tracking websites.
There are many good flight-tracking apps available, such as Flighty, FlightRadar24, FlightAware, and FlightStats.
These apps can track departure times, delays, and airport conditions. They can also send helpful notifications and allow you to share your travel information with family and friends. Some apps even offer augmented reality (AR) views, allowing you to point your phone at the sky and identify planes, their flight numbers, altitudes, speeds, and destinations.
You can simply search for a flight number on Google, and a progress bar will appear at the top of the search results, displaying the flight's duration and estimated arrival time. Alternatively, you can search for " [flight number] status" to see the estimated arrival and departure times.
