Tracking the Battle of Britain Memorial Flight (BBMF) live gives aviation enthusiasts a rare opportunity to follow historic RAF aircraft operating in real time across the UK skies. Because these are heritage airframes rather than modern airliners, their visibility on tracking platforms can vary depending on transponder use, altitude, and receiver coverage.
This guide focuses on the practical methods used to track BBMF movements, including Flightradar24 for simple live mapping and search by registration, and ADS-B Exchange for unfiltered coverage of military traffic alongside its useful historic replay tool, which allows you to review past flights by setting a specific date, time, and location.
Together, these tools provide the most effective way to follow BBMF operations, whether you're watching departures from RAF Coningsby, tracking transit flights, or reviewing completed sorties after an event.
⚠ Important tracking note
- Hex codes are not guaranteed to be live or consistent for all BBMF aircraft.
- ADS-B Exchange is generally more reliable for military / historic aircraft than Flightradar24.
- Don't expect to be able to live track BBMF - If you can, it's a bonus.
You can also use the ADS-B Exchange historic replay feature to review previous BBMF flights and movements. Open a replay link such as this example replay from 17 May 2026 , then adjust the date/time controls to your desired period. For easier tracking of BBMF and other military aircraft, enable the "U" filter within ADS-B Exchange to display military-only traffic.
Flightradar24 (FR24) Most Popular
Flightradar24 is the most widely used flight tracker and the easiest way to follow BBMF aircraft when their transponders are active. You can search directly by registration and view a clean live map with minimal setup.
Coverage is inconsistent for historic aircraft, but when BBMF aircraft are visible, FR24 usually provides the most user-friendly and stable experience. The Dakota (ZA947) is typically the most reliably tracked aircraft in the fleet.
ADS-B Exchange Best for Military
ADS-B Exchange is especially useful for military and enthusiast tracking because it does not filter or suppress military traffic. Aircraft that are missing from FR24 may still appear here depending on receiver coverage and altitude.
It also includes a historic replay feature, allowing you to set a specific date and time to replay past movements. This is particularly useful for BBMF sorties after events, or when you want to reconstruct a flight path that wasn’t fully visible live.
💡 How to use it
- Search by registration (e.g. ZA947) or ICAO code
- Enable the “U” filter to show military traffic only
- Use Replay to set a date/time and view past movements
- Zoom into RAF Coningsby (EGXC) around expected sortie times for best coverage
What is ADS-B? How Aircraft Tracking Works
ADS-B (Automatic Dependent Surveillance–Broadcast) is a system where aircraft regularly broadcast their position, altitude, speed, and identity using onboard avionics. Ground receivers pick up these signals and feed them into tracking networks such as Flightradar24 and ADS-B Exchange.
In simple terms: if an aircraft is transmitting ADS-B data and is within range of a receiver, it can be tracked in real time. If it isn’t transmitting — or if no receiver can “hear” it — it won’t appear on live maps.
📡 How aircraft appear (or don’t)
- Full ADS-B aircraft: Continuously broadcast precise GPS-based position. These appear clearly on both FR24 and ADS-B Exchange.
- Mode S aircraft: Transmit a basic radar identity signal. Position is often calculated indirectly using MLAT (multilateration), so tracking may be less precise or intermittent.
- Non-transmitting aircraft: No ADS-B or Mode S coverage — these are invisible to civilian trackers unless primary radar data is available (which most public sites do not show).
🧭 What “MLAT” means
MLAT (Multilateration) is a method where multiple ground receivers calculate an aircraft’s position by timing signal differences. It allows tracking of aircraft that are not broadcasting full GPS positions, but accuracy and continuity depend on receiver coverage.
🛰️ Why FR24 and ADS-B Exchange look different
- Flightradar24: Combines ADS-B, MLAT, and other filtered data sources into a polished, simplified interface.
- ADS-B Exchange: Shows raw, unfiltered data with minimal suppression — including military traffic and edge cases.
⚙️ Why BBMF aircraft vary so much
BBMF aircraft are a mix of vintage airframes and modern avionics fits. The Dakota is the most consistently trackable because it regularly provides usable position data, while Spitfires and Hurricanes often rely on Mode S or may not transmit at all, making them far less predictable on live tracking platforms.