The FAA Releasable Aircraft Database, public domain, refreshed daily: 316,483 registered aircraft.

Does every aircraft have a Mode S code?

Yes. Coverage is complete, so the hex endpoint resolves any US transponder you hear to its registration.

The FAA file is applied daily as a delta, so new registrations and changes appear the next day.

Does it cover other countries?

No. This is the US civil registry only. Aircraft type data for any ICAO designator is in the Aircraft API.

TransportationMAINTAINED1 token / call

Aircraft Registrations API

The full FAA registry: 316,483 US aircraft by tail number or Mode S hex, with owner, model and airworthiness

The complete US civil aircraft registry, straight from the FAA and refreshed daily: 316,483 registered aircraft with tail number, serial number, owner name and address, make, model, year, seats, horsepower, airworthiness classification, registration status and Mode S transponder codes. Every record carries the Mode S hex code (icao24), so ADS-B trackers can resolve any transponder they hear to a real registration in one call. Look up N172SP and get its 1977 Cessna R172K story with engine specs; search Delta Air Lines and page through its 1,100+ aircraft fleet; filter Cirrus aircraft registered in Tennessee since 2020; rank states or manufacturers by registration counts (Texas leads, Cessna dominates). Coded FAA fields arrive decoded into plain English — registrant types, aircraft types, engine types, all 40+ status codes — with the raw codes preserved for compliance work. Registrations and deregistrations sync daily from the FAA releasable database, so ownership changes land within a day. Built for aviation apps, ADS-B/flight trackers, aircraft sales and valuation, insurance, and lien research. Public-domain source data, self-hosted — no third-party calls at request time.

Every call needs an X-Api-Key header. A free key includes 500 tokens a month, no card required. 1 token per call, so the free plan covers about 500 calls a month.

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response.json

{
  "ok": true,
  "aircraft": {
    "n_number": "N172SP",
    "serial_number": "R172-2842",
    "make": "CESSNA",
    "model": "R172K",
    "year": 1977,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "LLC",
      "name": "LUKE AIRLINES LLC",
      "street": "13422 FORT ST",
      "street2": null,
      "city": "SOUTHGATE",
      "state": "MI",
      "zip": "481951138",
      "country": "US",
      "region": "Great Lakes",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2002-10-31",
      "airworthiness": "1977-12-10",
      "last_action": "2023-06-03",
      "expiration": "2028-08-31"
    },
    "mode_s_code_octal": "50221071",
    "mode_s_hex": "A12239",
    "mfr_mdl_code": "2072431",
    "eng_mfr_mdl_code": "17025",
    "kit": null,
    "specs": {
      "seats": 4,
      "engine_count": 1,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": 76,
      "category": "Land",
      "engine_make": "CONT MOTOR",
      "engine_model": "IO-360 SER",
      "horsepower": 300,
      "thrust_lbs": null
    }
  }
}

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Use cases for Aircraft Registrations API

Resolve a Mode S hex code heard by an ADS-B receiver to the registered aircraft and owner in one call.
Look up a tail number to show make, model, year, seats, horsepower and registration status.
List every aircraft registered to an operator, from an airline fleet to a flight school.
Validate aircraft identities for insurance, leasing, maintenance or airport billing systems.

Aircraft Registrations API endpoints

Every endpoint with its parameters and a real example response.

OpenAPI definition Postman workspace

GETData Sources
GETGet Aircraft By Tail Number
GETLookup By Mode S Hex
GETRandom Aircraft
GETRegistration Statistics
GETSearch Aircraft
GETSearch Aircraft Models

GETData Sources

https://api-aircraft-registrations.dataandapis.com/v1/sources

This endpoint takes no parameters.

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/sources" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "count": 1,
  "sources": [
    {
      "slug": "faa-registry",
      "name": "FAA Releasable Aircraft Database",
      "publisher": "Federal Aviation Administration",
      "licence": "US Government work - public domain",
      "source_url": "https://www.faa.gov/licenses_certificates/aircraft_certification/aircraft_registry",
      "file_url": "https://registry.faa.gov/database/ReleasableAircraft.zip",
      "cadence": "daily",
      "record_count": 316483,
      "retrieved_at": "2026-09-05"
    }
  ]
}

GETGet Aircraft By Tail Number

https://api-aircraft-registrations.dataandapis.com/v1/aircraft/{n_number}

Path parameters

Parameter	Example
n_number	N172SP	Required

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/aircraft/N172SP" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "aircraft": {
    "n_number": "N172SP",
    "serial_number": "R172-2842",
    "make": "CESSNA",
    "model": "R172K",
    "year": 1977,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "LLC",
      "name": "LUKE AIRLINES LLC",
      "street": "13422 FORT ST",
      "street2": null,
      "city": "SOUTHGATE",
      "state": "MI",
      "zip": "481951138",
      "country": "US",
      "region": "Great Lakes",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2002-10-31",
…

Show full response

{
  "ok": true,
  "aircraft": {
    "n_number": "N172SP",
    "serial_number": "R172-2842",
    "make": "CESSNA",
    "model": "R172K",
    "year": 1977,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "LLC",
      "name": "LUKE AIRLINES LLC",
      "street": "13422 FORT ST",
      "street2": null,
      "city": "SOUTHGATE",
      "state": "MI",
      "zip": "481951138",
      "country": "US",
      "region": "Great Lakes",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2002-10-31",
      "airworthiness": "1977-12-10",
      "last_action": "2023-06-03",
      "expiration": "2028-08-31"
    },
    "mode_s_code_octal": "50221071",
    "mode_s_hex": "A12239",
    "mfr_mdl_code": "2072431",
    "eng_mfr_mdl_code": "17025",
    "kit": null,
    "specs": {
      "seats": 4,
      "engine_count": 1,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": 76,
      "category": "Land",
      "engine_make": "CONT MOTOR",
      "engine_model": "IO-360 SER",
      "horsepower": 300,
      "thrust_lbs": null
    }
  }
}

GETLookup By Mode S Hex

https://api-aircraft-registrations.dataandapis.com/v1/aircraft/hex/{code}

Path parameters

Parameter	Example
code	A12239	Required

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/aircraft/hex/A12239" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "aircraft": {
    "n_number": "N172SP",
    "serial_number": "R172-2842",
    "make": "CESSNA",
    "model": "R172K",
    "year": 1977,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "LLC",
      "name": "LUKE AIRLINES LLC",
      "street": "13422 FORT ST",
      "street2": null,
      "city": "SOUTHGATE",
      "state": "MI",
      "zip": "481951138",
      "country": "US",
      "region": "Great Lakes",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2002-10-31",
…

Show full response

{
  "ok": true,
  "aircraft": {
    "n_number": "N172SP",
    "serial_number": "R172-2842",
    "make": "CESSNA",
    "model": "R172K",
    "year": 1977,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "LLC",
      "name": "LUKE AIRLINES LLC",
      "street": "13422 FORT ST",
      "street2": null,
      "city": "SOUTHGATE",
      "state": "MI",
      "zip": "481951138",
      "country": "US",
      "region": "Great Lakes",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2002-10-31",
      "airworthiness": "1977-12-10",
      "last_action": "2023-06-03",
      "expiration": "2028-08-31"
    },
    "mode_s_code_octal": "50221071",
    "mode_s_hex": "A12239",
    "mfr_mdl_code": "2072431",
    "eng_mfr_mdl_code": "17025",
    "kit": null,
    "specs": {
      "seats": 4,
      "engine_count": 1,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": 76,
      "category": "Land",
      "engine_make": "CONT MOTOR",
      "engine_model": "IO-360 SER",
      "horsepower": 300,
      "thrust_lbs": null
    }
  }
}

GETRandom Aircraft

https://api-aircraft-registrations.dataandapis.com/v1/aircraft/random

This endpoint takes no parameters.

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/aircraft/random" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "aircraft": {
    "n_number": "N770P",
    "serial_number": "E-749",
    "make": "BEECH",
    "model": "A36",
    "year": 1975,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "Individual",
      "name": "MACHIN SUSAN M TRUSTEE",
      "street": "11 SEA TER",
      "street2": null,
      "city": "NEWPORT COAST",
      "state": "CA",
      "zip": "926571020",
      "country": "US",
      "region": "Western-Pacific",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2022-11-01",
…

Show full response

{
  "ok": true,
  "aircraft": {
    "n_number": "N770P",
    "serial_number": "E-749",
    "make": "BEECH",
    "model": "A36",
    "year": 1975,
    "aircraft_type": "Fixed Wing Single-Engine",
    "engine_type": "Reciprocating",
    "airworthiness_class": "Standard",
    "status": "Valid Registration",
    "status_code": "V",
    "registrant": {
      "type": "Individual",
      "name": "MACHIN SUSAN M TRUSTEE",
      "street": "11 SEA TER",
      "street2": null,
      "city": "NEWPORT COAST",
      "state": "CA",
      "zip": "926571020",
      "country": "US",
      "region": "Western-Pacific",
      "other_names": [],
      "fractional_ownership": false
    },
    "dates": {
      "certificate_issued": "2022-11-01",
      "airworthiness": "1975-09-04",
      "last_action": "2025-01-23",
      "expiration": "2029-11-30"
    },
    "mode_s_code_octal": "52465114",
    "mode_s_hex": "AA6A4C",
    "mfr_mdl_code": "1151604",
    "eng_mfr_mdl_code": "17032",
    "kit": null,
    "specs": {
      "seats": 6,
      "engine_count": 1,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": 138,
      "category": "Land",
      "engine_make": "CONT MOTOR",
      "engine_model": "IO 520 SERIES",
      "horsepower": 285,
      "thrust_lbs": null
    }
  }
}

GETRegistration Statistics

https://api-aircraft-registrations.dataandapis.com/v1/stats

Query parameters

Parameter	Example
by	make	Optional

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/stats?by=make" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "dimension": "make",
  "count": 8,
  "results": [
    {
      "key": "CESSNA",
      "registrations": 72713
    },
    {
      "key": "PIPER",
      "registrations": 44841
    },
    {
      "key": "BEECH",
      "registrations": 17447
    },
    {
      "key": "CIRRUS DESIGN CORP",
      "registrations": 9413
    },
    {
      "key": "DJI",
      "registrations": 6879
    },
    {
      "key": "BOEING",
      "registrations": 6589
…

Show full response

{
  "ok": true,
  "dimension": "make",
  "count": 8,
  "results": [
    {
      "key": "CESSNA",
      "registrations": 72713
    },
    {
      "key": "PIPER",
      "registrations": 44841
    },
    {
      "key": "BEECH",
      "registrations": 17447
    },
    {
      "key": "CIRRUS DESIGN CORP",
      "registrations": 9413
    },
    {
      "key": "DJI",
      "registrations": 6879
    },
    {
      "key": "BOEING",
      "registrations": 6589
    },
    {
      "key": "MOONEY",
      "registrations": 5393
    },
    {
      "key": "TEXTRON AVIATION INC",
      "registrations": 4369
    }
  ]
}

GETSearch Aircraft

https://api-aircraft-registrations.dataandapis.com/v1/aircraft

Query parameters

Parameter	Example
aircraft_type		Optional
city		Optional
limit	20	Optional
make	CIRRUS	Optional
model	SR22	Optional
page	1	Optional
registrant		Optional
state		Optional
year_max	2025	Optional
year_min	2020	Optional

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/aircraft?limit=20&make=CIRRUS&model=SR22&page=1&year_max=2025&year_min=2020" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "total": 2168,
  "page": 1,
  "limit": 20,
  "count": 3,
  "results": [
    {
      "n_number": "N100DG",
      "make": "CIRRUS DESIGN CORP",
      "model": "SR22T",
      "year": 2024,
      "aircraft_type": "Fixed Wing Single-Engine",
      "registrant_name": "CIRRUS SR22T 2190 INC TRUSTEE",
      "registrant_type": "Corporation",
      "city": "WILMINGTON",
      "state": "DE",
      "status": "Valid Registration",
      "mode_s_hex": "A00506"
    },
    {
      "n_number": "N100JB",
      "make": "CIRRUS DESIGN CORP",
      "model": "SR22",
      "year": 2024,
      "aircraft_type": "Fixed Wing Single-Engine",
      "registrant_name": "AIRBYARS LLC",
      "registrant_type": "LLC",
…

Show full response

{
  "ok": true,
  "total": 2168,
  "page": 1,
  "limit": 20,
  "count": 3,
  "results": [
    {
      "n_number": "N100DG",
      "make": "CIRRUS DESIGN CORP",
      "model": "SR22T",
      "year": 2024,
      "aircraft_type": "Fixed Wing Single-Engine",
      "registrant_name": "CIRRUS SR22T 2190 INC TRUSTEE",
      "registrant_type": "Corporation",
      "city": "WILMINGTON",
      "state": "DE",
      "status": "Valid Registration",
      "mode_s_hex": "A00506"
    },
    {
      "n_number": "N100JB",
      "make": "CIRRUS DESIGN CORP",
      "model": "SR22",
      "year": 2024,
      "aircraft_type": "Fixed Wing Single-Engine",
      "registrant_name": "AIRBYARS LLC",
      "registrant_type": "LLC",
      "city": "SPARTANBURG",
      "state": "SC",
      "status": "Valid Registration",
      "mode_s_hex": "A0057E"
    },
    {
      "n_number": "N100PK",
      "make": "CIRRUS DESIGN CORP",
      "model": "SR22T",
      "year": 2024,
      "aircraft_type": "Fixed Wing Single-Engine",
      "registrant_name": "ALLEN CHASE ENTERPRISES INC",
      "registrant_type": "Corporation",
      "city": "OSWEGO",
      "state": "NY",
      "status": "Valid Registration",
      "mode_s_hex": "A00603"
    }
  ]
}

GETSearch Aircraft Models

https://api-aircraft-registrations.dataandapis.com/v1/models

Query parameters

Parameter	Example
limit	25	Optional
make	CESSNA	Optional
model	172S	Optional

Example request

curl "https://api-aircraft-registrations.dataandapis.com/v1/models?limit=25&make=CESSNA&model=172S" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "ok": true,
  "count": 2,
  "models": [
    {
      "code": "2072439",
      "make": "CESSNA",
      "model": "172S",
      "aircraft_type": "Fixed Wing Single-Engine",
      "engine_type": "Reciprocating",
      "category": "Land",
      "builder_certification": "Type Certificated",
      "engines": 1,
      "seats": 4,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": null,
      "tc_data_sheet": null,
      "tc_data_holder": null
    },
    {
      "code": "2072442",
      "make": "CESSNA AIRCRAFT CO",
      "model": "172S",
      "aircraft_type": "Fixed Wing Single-Engine",
      "engine_type": "Reciprocating",
      "category": "Land",
      "builder_certification": "Not Type Certificated",
      "engines": 1,
…

Show full response

{
  "ok": true,
  "count": 2,
  "models": [
    {
      "code": "2072439",
      "make": "CESSNA",
      "model": "172S",
      "aircraft_type": "Fixed Wing Single-Engine",
      "engine_type": "Reciprocating",
      "category": "Land",
      "builder_certification": "Type Certificated",
      "engines": 1,
      "seats": 4,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": null,
      "tc_data_sheet": null,
      "tc_data_holder": null
    },
    {
      "code": "2072442",
      "make": "CESSNA AIRCRAFT CO",
      "model": "172S",
      "aircraft_type": "Fixed Wing Single-Engine",
      "engine_type": "Reciprocating",
      "category": "Land",
      "builder_certification": "Not Type Certificated",
      "engines": 1,
      "seats": 4,
      "weight_class": "CLASS 1",
      "cruising_speed_mph": null,
      "tc_data_sheet": null,
      "tc_data_holder": null
    }
  ]
}

Where the data comes from

Source: FAA Releasable Aircraft Database (public domain).
Freshness: Daily delta refresh from the FAA.

One install. Every endpoint.

No proprietary SDKs needed. Any HTTP client works. Pick your language and paste.

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import axios from 'axios';

const { data } = await axios.get(
  'https://api-aircraft-registrations.dataandapis.com/v1/sources',
  { headers: { 'X-Api-Key': process.env.API_KEY } }
);

Aircraft Registrations API · X-Api-Key

Explore the endpoints

Browse request parameters and inspect live example responses.

Available Endpoints

Request Parameters

API URL

Headers

X-Api-Key

Target:

Client:

import axios from 'axios';

const url = 'https://api-aircraft-registrations.dataandapis.com/v1/sources';
const { data } = await axios.get(url, {
  headers: { 'X-Api-Key': 'YOUR_API_KEY' }
});