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sensors Mode-S transponder

A87199

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N643NN · BOMBARDIER Regional Jet CRJ-900 · operated by AMERICAN AIRLINES INC

Hex
A87199
Octal
52070631
Decimal
11,039,129
Country
US
Tail
N643NN
Type
CRJ9
No current signal · last broadcast 6d ago
Flights observed
457
Distinct callsigns
20
Country
US
Last broadcast
6d ago

Last known position

Most recent position reported by Mode-S A87199.

Country allocation

The ICAO 24-bit address A87199 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
JIA5143 - 7 2026-07-18
JIA5610 PSA Airlines 6 2026-07-22
JIA5279 - 6 2026-07-14
JIA5631 PSA Airlines 5 2026-07-22
JIA5535 - 5 2026-07-14
JIA5431 PSA Airlines 5 2026-05-22
JIA5383 - 5 2026-06-23
JIA5306 - 5 2026-07-07
JIA5163 PSA Airlines 5 2026-07-24
JIA5148 - 5 2026-07-18
JIA5135 - 5 2026-07-20
JIA5117 - 5 2026-07-08
JIA5060 - 5 2026-06-29
JIA5020 PSA Airlines 5 2026-05-13
JIA5655 - 4 2026-07-04
JIA5598 PSA Airlines 4 2026-07-25
JIA5587 - 4 2026-06-17
JIA5568 PSA Airlines 4 2026-07-01
JIA5548 - 4 2026-07-19
JIA5531 PSA Airlines 4 2026-05-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JIA5021 DCA → MHT Jul 26, 21:05 UTCJul 26, 22:15 UTC1h 10m
2026-07-26 JIA5021 DCA → MHT Jul 26, 18:20 UTCJul 26, 20:15 UTC1h 55m
2026-07-26 JIA5462 DCA → MCI Jul 26, 15:35 UTCJul 26, 16:45 UTC1h 10m
2026-07-26 JIA5462 DCA → MCI Jul 26, 15:34 UTCJul 26, 16:44 UTC1h 10m
2026-07-26 JIA5462 DCA → MCI Jul 26, 13:35 UTCJul 26, 14:40 UTC1h 5m
2026-07-26 JIA5399 SBN → CLT Jul 26, 10:15 UTCJul 26, 11:45 UTC1h 30m
2026-07-26 JIA5053 DCA → SYR Jul 26, 01:10 UTCJul 26, 02:25 UTC1h 15m
2026-07-26 JIA5053 DCA → SYR Jul 26, 01:04 UTCJul 26, 02:25 UTC1h 21m
2026-07-25 JIA5598 PIT → PHL Jul 25, 22:45 UTCJul 25, 23:20 UTC35m
2026-07-25 JIA5598 PIT → PHL Jul 25, 21:10 UTCJul 25, 21:45 UTC35m
2026-07-25 JIA5388 ALB → PHL Jul 25, 18:25 UTCJul 25, 19:40 UTC1h 15m
2026-07-25 JIA5388 ALB → PHL Jul 25, 18:20 UTCJul 25, 19:38 UTC1h 18m
2026-07-25 JIA5388 ALB → PHL Jul 25, 16:10 UTCJul 25, 17:25 UTC1h 15m
2026-07-25 JIA5652 - Jul 25, 13:25 UTCJul 25, 14:25 UTC1h 0m
2026-07-25 JIA5215 DCA → BDL Jul 25, 11:30 UTCJul 25, 12:20 UTC50m
2026-07-25 JIA5257 HSV → CLT Jul 25, 09:30 UTCJul 25, 09:50 UTC20m
2026-07-25 JIA5257 HSV → CLT Jul 25, 09:23 UTCJul 25, 09:54 UTC31m
2026-07-25 JIA5588 DAY → DFW Jul 25, 03:55 UTCJul 25, 04:15 UTC20m
2026-07-25 JIA5178 MCI → DCA Jul 25, 01:45 UTCJul 25, 02:50 UTC1h 5m
2026-07-24 JIA5187 DCA → PWM Jul 24, 22:55 UTCJul 25, 00:30 UTC1h 35m
2026-07-24 JIA5187 DCA → PWM Jul 24, 22:54 UTCJul 25, 00:29 UTC1h 35m
2026-07-24 JIA5163 PHL → IND Jul 24, 17:45 UTCJul 24, 19:50 UTC2h 5m
2026-07-24 JIA5163 PHL → IND Jul 24, 17:43 UTCJul 24, 19:41 UTC1h 58m
2026-07-24 JIA5163 PHL → IND Jul 24, 14:55 UTCJul 24, 16:50 UTC1h 55m
2026-07-23 JIA9957 DAY → PHL Jul 23, 20:40 UTCJul 23, 21:35 UTC55m
2026-07-23 JIA5313 PWM → DCA Jul 23, 13:15 UTCJul 23, 15:40 UTC2h 25m
2026-07-23 JIA5445 - Jul 23, 10:20 UTCJul 23, 11:20 UTC1h 0m
2026-07-23 JIA5583 PHL → CVG Jul 23, 00:05 UTCJul 23, 01:30 UTC1h 25m
2026-07-22 JIA5631 BTV → PHL Jul 22, 20:35 UTCJul 22, 22:00 UTC1h 25m
2026-07-22 JIA5631 BTV → PHL Jul 22, 20:30 UTCJul 22, 21:58 UTC1h 28m
2026-07-22 JIA5631 BTV → PHL Jul 22, 18:15 UTCJul 22, 19:30 UTC1h 15m
2026-07-22 JIA5610 CLT → MSY Jul 22, 15:00 UTCJul 22, 16:05 UTC1h 5m
2026-07-22 JIA5610 CLT → MSY Jul 22, 14:58 UTCJul 22, 16:04 UTC1h 6m
2026-07-22 JIA5610 CLT → MSY Jul 22, 12:35 UTCJul 22, 13:50 UTC1h 15m
2026-07-22 JIA5438 - Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-22 JIA5438 CVG → PHL Jul 22, 10:01 UTCJul 22, 11:13 UTC1h 12m
2026-07-21 JIA9857 - Jul 21, 22:20 UTCJul 21, 23:05 UTC45m
2026-07-21 JIA5286 - Jul 21, 15:45 UTCJul 21, 17:35 UTC1h 50m
2026-07-21 JIA5419 - Jul 21, 10:20 UTCJul 21, 11:25 UTC1h 5m
2026-07-21 JIA5419 PVD → DCA Jul 21, 10:18 UTCJul 21, 11:23 UTC1h 5m
2026-07-21 JIA5017 DCA → PVD Jul 21, 03:00 UTCJul 21, 04:00 UTC1h 0m
2026-07-21 JIA5017 DCA → PVD Jul 21, 02:55 UTCJul 21, 03:54 UTC59m
2026-07-21 JIA5418 CVG → CLT Jul 21, 00:55 UTCJul 21, 01:50 UTC55m
2026-07-20 JIA5418 CVG → CLT Jul 20, 23:10 UTCJul 20, 23:55 UTC45m
2026-07-20 JIA5135 - Jul 20, 20:50 UTCJul 20, 21:50 UTC1h 0m
2026-07-20 JIA5135 CMH → DCA Jul 20, 20:49 UTCJul 20, 21:45 UTC56m
2026-07-20 JIA5135 - Jul 20, 18:55 UTCJul 20, 19:50 UTC55m
2026-07-20 JIA5413 - Jul 20, 15:35 UTCJul 20, 17:15 UTC1h 40m
2026-07-20 JIA5413 STL → DCA Jul 20, 15:32 UTCJul 20, 17:11 UTC1h 39m
2026-07-20 JIA5413 DCA → STL Jul 20, 13:05 UTCJul 20, 14:50 UTC1h 45m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the N643NN page for operator, model, and routing details .

Mode-S A87199 frequently asked

What is Mode-S code A87199?
A87199 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N643NN.
Where is Mode-S A87199 registered?
Mode-S code A87199 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A87199 broadcasting right now?
No active broadcast right now. Last signal was 6d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A87199, octal 52070631, decimal 11,039,129.
What flights does A87199 operate?
Mode-S A87199 has broadcast 20 distinct callsigns, including JIA5143, JIA5610, JIA5279, JIA5631, JIA5535.