Apparatus

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sensors Mode-S transponder

AB663F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N83329 · EMBRAER ERJ-170-200 (long wing) · operated by UNITED AIRLINES INC

Hex
AB663F
Octal
52663077
Decimal
11,232,831
Country
US
Tail
N83329
Type
E75L
Broadcasting now · callsign ASH6180 · 13,900 ft
Flights observed
569
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:45 UTC

Current position

AB663F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address AB663F 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
ASH6211 Mesa Airlines 8 2026-07-26
ASH3989 Mesa Airlines 8 2026-06-05
ASH6244 Mesa Airlines 7 2026-05-30
ASH6236 - 7 2026-07-10
ASH6220 - 7 2026-07-19
ASH4071 Mesa Airlines 7 2026-06-06
ASH4004 Mesa Airlines 7 2026-07-25
ASH3988 - 7 2026-06-30
ASH6353 Mesa Airlines 6 2026-06-09
ASH6310 - 6 2026-07-17
ASH6297 - 6 2026-06-30
ASH6151 - 6 2026-06-22
ASH4053 Mesa Airlines 6 2026-06-10
ASH4042 Mesa Airlines 6 2026-07-23
ASH4020 Mesa Airlines 6 2026-07-24
ASH4001 Mesa Airlines 6 2026-05-18
ASH3998 Mesa Airlines 6 2026-05-10
ASH3993 Mesa Airlines 6 2026-06-13
ASH3990 - 6 2026-07-18
ASH3982 Mesa Airlines 6 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ASH6211 LGA → IAD Jul 26, 20:05 UTCJul 26, 21:45 UTC1h 40m
2026-07-26 ASH4060 OKC → IAH Jul 26, 14:45 UTCJul 26, 15:35 UTC50m
2026-07-26 ASH6157 IAH → TAM Jul 26, 12:40 UTCJul 26, 13:20 UTC40m
2026-07-26 ASH4028 ELP → IAH Jul 26, 10:20 UTCJul 26, 11:10 UTC50m
2026-07-25 ASH6168 IAH → LGA Jul 25, 23:45 UTCJul 26, 00:30 UTC45m
2026-07-25 ASH4004 SDF → IAD Jul 25, 21:25 UTCJul 25, 22:00 UTC35m
2026-07-25 ASH6118 COS → IAH Jul 25, 19:25 UTCJul 25, 19:55 UTC30m
2026-07-25 ASH6213 STL → IAH Jul 25, 16:15 UTCJul 25, 17:50 UTC1h 35m
2026-07-25 ASH6214 IAH → CMH Jul 25, 13:10 UTCJul 25, 15:00 UTC1h 50m
2026-07-25 ASH6214 IAH → CMH Jul 25, 13:16 UTCJul 25, 14:57 UTC1h 41m
2026-07-25 ASH4041 IND → IAD Jul 25, 10:05 UTCJul 25, 11:10 UTC1h 5m
2026-07-25 ASH6269 LGA → IAH Jul 25, 01:25 UTCJul 25, 02:30 UTC1h 5m
2026-07-24 ASH4020 IAH → OKC Jul 24, 21:25 UTCJul 24, 23:25 UTC2h 0m
2026-07-24 ASH4020 IAH → OKC Jul 24, 21:24 UTCJul 24, 23:20 UTC1h 56m
2026-07-24 ASH6197 CRP → IAH Jul 24, 17:45 UTCJul 24, 19:45 UTC2h 0m
2026-07-24 ASH6197 CRP → IAH Jul 24, 17:42 UTCJul 24, 19:45 UTC2h 3m
2026-07-23 ASH4020 IAH → OKC Jul 23, 22:20 UTCJul 23, 23:45 UTC1h 25m
2026-07-23 ASH4020 IAH → OKC Jul 23, 21:56 UTCJul 24, 01:05 UTC3h 9m
2026-07-23 ASH6197 CRP → IAH Jul 23, 18:20 UTCJul 23, 20:35 UTC2h 15m
2026-07-23 ASH4042 TUL → IAH Jul 23, 13:45 UTCJul 23, 15:55 UTC2h 10m
2026-07-23 ASH4042 TUL → IAH Jul 23, 13:53 UTCJul 23, 15:50 UTC1h 57m
2026-07-23 ASH4040 IAH → CRP Jul 23, 01:25 UTCJul 23, 03:20 UTC1h 55m
2026-07-22 ASH4013 - Jul 22, 22:20 UTCJul 22, 23:40 UTC1h 20m
2026-07-22 ASH4013 BHM → IAH Jul 22, 22:26 UTCJul 22, 23:38 UTC1h 12m
2026-07-22 ASH6120 LGA → IAH Jul 22, 19:45 UTCJul 22, 21:10 UTC1h 25m
2026-07-22 ASH6299 - Jul 22, 16:20 UTCJul 22, 18:00 UTC1h 40m
2026-07-22 ASH6299 TYS → IAH Jul 22, 16:23 UTCJul 22, 18:00 UTC1h 37m
2026-07-22 ASH6115 IAD → BDL Jul 22, 13:10 UTCJul 22, 15:00 UTC1h 50m
2026-07-21 ASH4020 IAH → OKC Jul 21, 21:05 UTCJul 21, 23:05 UTC2h 0m
2026-07-21 ASH6197 CRP → IAH Jul 21, 17:25 UTCJul 21, 19:30 UTC2h 5m
2026-07-21 ASH4008 CHS → IAD Jul 21, 11:45 UTCJul 21, 13:10 UTC1h 25m
2026-07-21 ASH4008 CHS → IAD Jul 21, 11:52 UTCJul 21, 13:06 UTC1h 14m
2026-07-21 ASH4022 LGA → IAD Jul 21, 01:20 UTCJul 21, 02:35 UTC1h 15m
2026-07-21 ASH4022 LGA → IAD Jul 21, 01:17 UTCJul 21, 02:43 UTC1h 26m
2026-07-20 ASH6290 MSP → IAH Jul 20, 22:15 UTCJul 20, 23:25 UTC1h 10m
2026-07-20 ASH6290 MSP → IAH Jul 20, 22:30 UTCJul 20, 23:25 UTC55m
2026-07-20 ASH4062 - Jul 20, 19:55 UTCJul 20, 21:00 UTC1h 5m
2026-07-20 ASH4062 IAH → XNA Jul 20, 19:51 UTCJul 20, 20:57 UTC1h 6m
2026-07-20 ASH6213 - Jul 20, 16:15 UTCJul 20, 17:50 UTC1h 35m
2026-07-20 ASH6214 IAH → STL Jul 20, 13:16 UTCJul 20, 14:48 UTC1h 32m
2026-07-20 ASH6214 IAH → STL Jul 20, 13:05 UTCJul 20, 14:50 UTC1h 45m
2026-07-19 ASH6282 IAH → MSY Jul 19, 23:40 UTCJul 20, 02:30 UTC2h 50m
2026-07-19 ASH6207 CLE → IAD Jul 19, 19:40 UTCJul 19, 22:25 UTC2h 45m
2026-07-19 ASH6278 - Jul 19, 16:55 UTCJul 19, 17:30 UTC35m
2026-07-19 ASH6201 IAH → SAT Jul 19, 14:59 UTCJul 19, 15:32 UTC33m
2026-07-19 ASH6220 - Jul 19, 11:15 UTCJul 19, 13:10 UTC1h 55m
2026-07-18 ASH3238 SAV → IAH Jul 18, 22:30 UTCJul 18, 23:40 UTC1h 10m
2026-07-18 ASH3238 SAV → IAH Jul 18, 21:46 UTCJul 18, 23:41 UTC1h 55m
2026-07-18 ASH3990 - Jul 18, 13:50 UTCJul 18, 15:45 UTC1h 55m
2026-07-18 ASH6266 - Jul 18, 10:25 UTCJul 18, 12:10 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 N83329 page for operator, model, and routing details .

Mode-S AB663F frequently asked

What is Mode-S code AB663F?
AB663F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N83329.
Where is Mode-S AB663F registered?
Mode-S code AB663F 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 AB663F broadcasting right now?
Yes. Mode-S AB663F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB663F, octal 52663077, decimal 11,232,831.
What flights does AB663F operate?
Mode-S AB663F has broadcast 20 distinct callsigns, including ASH6211, ASH3989, ASH6244, ASH6236, ASH6220.