How to identify any aircraft you see
Every spotter knows the feeling: something interesting flies over, you get a decent look — maybe even a photo — and then it's gone. Was that a Citation or a Phenom? Whose King Air is based here? The good news is that almost every civil aircraft in the sky can be identified, usually down to the exact airframe, if you know which of three methods to reach for.
This guide walks through all three — reading the registration, matching against ADS-B, and identifying from a photo — and shows where each one works, where it fails, and how SpotterLog stitches them together so identification happens in seconds instead of an evening of forum posts.
Method 1: Read the tail number
The registration painted on the fuselage or tail — N123AB on a US aircraft — is the single most reliable identifier there is. It's unique to that airframe, it's public record, and it unlocks everything: manufacturer, model, year, owner, and history. If you can read the tail number, you've identified the aircraft.
US registrations start with N (that's why spotters call them N-numbers). Other countries use their own prefixes — C- for Canada, G- for the UK, D- for Germany, JA for Japan, VH- for Australia. Once you have the registration, a registry lookup does the rest.
- On the ground: the registration is on the rear fuselage or tail, and US aircraft repeat it on the right wing's underside in some cases.
- In the air: a telephoto shot you zoom into later beats squinting in real time. This is one of the best reasons to photograph everything.
- Heard but not seen? Pilots read their registration (or flight number) on the radio — a cheap airband scanner adds a whole identification channel.
Method 2: Match it against ADS-B
Nearly every aircraft flying in US controlled airspace has broadcast its position, altitude, and identity over ADS-B (Automatic Dependent Surveillance–Broadcast) since the 2020 mandate — and most of the rest of the world has followed. That broadcast is receivable by anyone, which is what powers every live flight map you've ever used.
The trick for identification: if you know where you were and when the aircraft passed, the ADS-B record tells you what it was — even if you never read the tail. This is how you identify the jet that was too high to read, or the one that flew over while your camera was in the bag.
Method 3: Identify it from your photo
This is where the two methods above combine into something better. Every photo you take carries EXIF metadata — the exact GPS position and timestamp of the shot. SpotterLog reads that automatically: photograph an aircraft, and the app already knows where you were standing and when the plane went by.
Key in the tail number from your shot (zoom in — it's almost always readable) and SpotterLog pulls the aircraft's complete record instantly: type, manufacturer, model year, owner, registration history, and any NTSB accident or incident reports. One field to type; everything else fills itself. The sighting is saved to your logbook with the photo, the location, and the moment — permanently.
- 1
Photograph the aircraft
Use your iPhone camera in SpotterLog, or import a shot from your camera roll, Dropbox, or any file provider — including photos from your real camera.
- 2
Let the app read where and when
SpotterLog extracts the GPS coordinates and timestamp from the photo's EXIF data and pins the sighting to the map automatically.
- 3
Enter the tail number
Zoom into your photo and type the registration. SpotterLog identifies the aircraft and pulls its full registry record — type, owner, year, and history.
- 4
Done — it's logged
The sighting joins your Hangar with everything attached. From now on, SpotterLog even alerts you if that aircraft changes owners or shows up in an NTSB record.
Which method when?
In practice the answer is: photograph everything, identify later. A photo preserves the tail number, the location, the time, and the aircraft's details far better than memory does, and it turns identification from a race against the aircraft's departure into a calm two-minute task with coffee. Spotters who shoot first and look up later simply identify more aircraft — and they end up with a collection instead of a memory.
Frequently asked questions
Can an app identify a plane just by pointing the camera at it?+
Apps identify aircraft by combining your position and the time with broadcast ADS-B data and registry records — not by visually recognizing the airframe's shape. SpotterLog reads the where-and-when from your photo automatically; you confirm the tail number and it fills in everything else from the FAA registry and its own aviation database.
How do I identify a plane that's too high to read the tail number?+
Use ADS-B: if you know your location and the time it passed, live flight data can tell you which aircraft it was. Log the moment with a photo — even a poor one — and the embedded GPS and timestamp give you everything needed to run it down.
Do military aircraft show up on flight trackers?+
Sometimes. Many military flights don't broadcast ADS-B, or broadcast with anonymized identifiers, so they may not appear on consumer flight maps. Reading the tail code and photographing the aircraft remains the most dependable way to identify military traffic.
What can I learn from an aircraft once I've identified it?+
With the registration you can pull the aircraft's manufacturer, model, year, registered owner, registration history, and NTSB accident or incident records. SpotterLog attaches all of that to your sighting automatically and keeps watching the aircraft for future changes.
Put it into practice
SpotterLog is free to start — photograph an aircraft, and the app identifies it, logs the sighting, and pulls its registry, owner, and incident history automatically.