{"uid":"cap_KYgmVq5zI_xoCP2iWmTU7","slug":"live-aircraft-tracker-ads-b-proximity-search-1aed5928","name":"Live Aircraft Tracker — ADS-B Proximity Search","description":"Interactive Bitcoin 4-year halving cycle chart on a polar disc. Live price, 200W MA, Mayer Multiple, RSI, MACD, Pi Cycle and optional paid cycle projections.","url":"https://4yearcycle.com/x402/flights?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["lat","lon"],"properties":{"lat":{"type":"string","pattern":"^-?\\d{1,2}(\\.\\d+)?$","examples":["51.5","40.6413"],"description":"Latitude of the query point in decimal degrees, -90 to 90. Required."},"lon":{"type":"string","pattern":"^-?\\d{1,3}(\\.\\d+)?$","examples":["-0.12","-73.7781"],"description":"Longitude of the query point in decimal degrees, -180 to 180. Required."},"radius":{"type":"string","default":"100","pattern":"^\\d{1,3}$","examples":["100","250"],"description":"Search radius in nautical miles around the point. Integer 1-250; values above 250 are capped. Default: 100."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["count","attribution","aircraft"],"properties":{"count":{"type":"integer","description":"Number of aircraft returned (capped at 200)"},"aircraft":{"type":"array","items":{"type":"object","required":["icao24","lat","lon"],"properties":{"lat":{"type":"number","description":"Latitude, WGS84 degrees"},"lon":{"type":"number","description":"Longitude, WGS84 degrees"},"icao24":{"type":"string","description":"24-bit ICAO aircraft address, hex"},"heading":{"type":["number","null"],"description":"True track over ground in degrees, 0-360"},"callsign":{"type":["string","null"],"description":"Flight callsign as broadcast, trimmed; null if not transmitted"},"onGround":{"type":"boolean","description":"True if the aircraft reports itself on the ground"},"altitudeM":{"type":["number","null"],"description":"Barometric altitude in meters, converted from feet; null if unknown or on ground without a reading"},"velocityMs":{"type":["number","null"],"description":"Ground speed in meters/second, converted from knots"}}},"description":"Aircraft currently seen within the radius"},"attribution":{"type":"string","description":"Required data source attribution (ODbL)"}}}}}}},"responseSchema":{"type":"json","example":{"count":1,"aircraft":[{"lat":51.280518,"lon":-2.687939,"icao24":"4022bd","heading":175.05,"callsign":"GPURR","onGround":false,"altitudeM":876,"velocityMs":53.71}],"attribution":"Aircraft data © adsb.lol contributors, ODbL 1.0 (https://www.adsb.lol/)"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WDGUWXZRRsEvet8s-4zlu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time positions and flight data for aircraft within a specified radius of a geographic coordinate using ADS-B surveillance data.","exampleAgentPrompt":"What aircraft are currently in the air within 150 nautical miles of London Heathrow (51.477, -0.461)? Show me their callsigns, altitudes, and headings.","exampleUseCases":[{"title":"Live airspace awareness near airport","prompt":"Show me all aircraft currently flying within 100 nautical miles of JFK airport (latitude 40.6413, longitude -73.7781) — I want their callsigns, altitudes, and whether they're airborne or on the ground."},{"title":"Drone operator airspace check","prompt":"I'm at coordinates 51.5 latitude, -0.12 longitude in central London — are there any aircraft within 50 nautical miles of me right now that I should know about before flying my drone?"},{"title":"Aviation enthusiast spot tracking","prompt":"Can you find all planes within 200 nautical miles of latitude 48.85, longitude 2.35 over Paris and list their ICAO codes, speeds, and headings so I can track interesting flights?"}],"resultDescription":"A JSON object containing a count of aircraft found (capped at 200), an array of aircraft records each with ICAO24 hex address, latitude, longitude, heading in degrees, callsign, on-ground boolean, barometric altitude in meters, and velocity in m/s, plus an attribution string crediting adsb.lol under ODbL 1.0.","failureModes":["Missing lat or lon parameters returns a validation error","Radius value above 250 is silently capped at 250 nautical miles","No aircraft in range returns count 0 with empty aircraft array","Invalid coordinate format (outside -90/90 or -180/180 range) may return error or empty result","Payment failure (x402) returns 402 before any aircraft data is returned"],"whenToPreferThis":"Choose this endpoint when you need live, real-time aircraft positions around a specific geographic point using crowd-sourced ADS-B data from adsb.lol. It is ideal for proximity-based queries (radius search) rather than tracking a specific flight by route or airline. Prefer it over airline schedule APIs when you need actual current positions rather than planned schedules, and over radar apps when you need machine-readable JSON output for programmatic use.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:33:26.260Z","isFirstParty":false,"canonicalSlug":"live-aircraft-tracker-ads-b-proximity-search-1aed5928"}