Apparatus

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sensors Mode-S transponder

A06DB4

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N127AA · AIRBUS A-321 · operated by BANK OF UTAH TRUSTEE

Hex
A06DB4
Octal
50066664
Decimal
10,513,844
Country
US
Tail
N127AA
Type
A321
Broadcasting now · callsign AAL1524 · 36,000 ft
Flights observed
545
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 23:00 UTC

Current position

A06DB4 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A06DB4 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
AAL2584 - 9 2026-07-15
AAL870 American Airlines 7 2026-06-15
AAL2038 American Airlines 7 2026-07-21
AAL1861 American Airlines 7 2026-06-09
AAL757 - 6 2026-06-28
AAL2830 American Airlines 6 2026-07-20
AAL1507 - 6 2026-07-17
AAL903 American Airlines 5 2026-05-24
AAL2457 - 5 2026-07-08
AAL2302 American Airlines 5 2026-04-16
AAL2279 American Airlines 5 2026-07-23
AAL1235 - 5 2026-07-09
AAL3035 - 4 2026-07-12
AAL2811 American Airlines 4 2026-06-27
AAL2534 American Airlines 4 2026-06-22
AAL2030 American Airlines 4 2026-06-02
AAL1976 - 4 2026-07-09
AAL1675 American Airlines 4 2026-05-21
AAL982 - 3 2026-07-13
AAL922 - 3 2026-06-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AAL1288 PVR → DFW Jul 26, 22:10 UTCJul 26, 23:00 UTC50m
2026-07-26 AAL1288 PVR → DFW Jul 26, 18:20 UTCJul 26, 21:00 UTC2h 40m
2026-07-26 AAL617 DCA → TPA Jul 26, 14:30 UTCJul 26, 16:50 UTC2h 20m
2026-07-26 AAL1797 DFW → LAS Jul 26, 03:30 UTCJul 26, 05:40 UTC2h 10m
2026-07-26 AAL1797 DFW → LAS Jul 26, 03:29 UTCJul 26, 05:36 UTC2h 7m
2026-07-25 AAL1037 AUA → MIA Jul 25, 23:15 UTCJul 26, 01:55 UTC2h 40m
2026-07-25 AAL503 CLT → TPA Jul 25, 15:50 UTCJul 25, 18:25 UTC2h 35m
2026-07-25 AAL503 CLT → TPA Jul 25, 15:48 UTCJul 25, 20:00 UTC4h 12m
2026-07-25 AAL599 MCO → PHL Jul 25, 11:45 UTCJul 25, 13:55 UTC2h 10m
2026-07-25 AAL599 MCO → PHL Jul 25, 11:43 UTCJul 25, 14:02 UTC2h 19m
2026-07-25 AAL2186 DFW → MCO Jul 25, 00:15 UTCJul 25, 02:40 UTC2h 25m
2026-07-24 AAL420 DEN → DFW Jul 24, 21:20 UTCJul 24, 22:50 UTC1h 30m
2026-07-24 AAL420 DEN → DFW Jul 24, 18:35 UTCJul 24, 20:05 UTC1h 30m
2026-07-24 AAL373 ORD → LIR Jul 24, 14:35 UTCJul 24, 17:15 UTC2h 40m
2026-07-23 AAL2056 DCA → LGA Jul 23, 22:25 UTCJul 24, 02:50 UTC4h 25m
2026-07-23 AAL2279 LIR → AUS Jul 23, 18:20 UTCJul 23, 19:45 UTC1h 25m
2026-07-23 AAL2279 LIR → AUS Jul 23, 18:16 UTCJul 23, 19:47 UTC1h 31m
2026-07-23 AAL2279 LIR → AUS Jul 23, 15:40 UTCJul 23, 17:05 UTC1h 25m
2026-07-23 AAL346 IND → CLT Jul 23, 12:20 UTCJul 23, 13:30 UTC1h 10m
2026-07-23 AAL346 IND → CLT Jul 23, 12:15 UTCJul 23, 13:29 UTC1h 14m
2026-07-23 AAL3087 LGA → MCO Jul 23, 01:25 UTCJul 23, 02:40 UTC1h 15m
2026-07-22 AAL1067 DEN → DFW Jul 22, 20:50 UTCJul 22, 23:55 UTC3h 5m
2026-07-22 AAL823 UVF → CLT Jul 22, 14:40 UTCJul 22, 17:55 UTC3h 15m
2026-07-22 AAL3217 LAX → SFO Jul 22, 12:05 UTCJul 22, 13:10 UTC1h 5m
2026-07-22 AAL3226 TPA → PHL Jul 22, 03:05 UTCJul 22, 03:55 UTC50m
2026-07-22 AAL3226 TPA → PHL Jul 22, 03:00 UTCJul 22, 03:54 UTC54m
2026-07-21 AAL2038 JFK → CLT Jul 21, 21:05 UTCJul 22, 00:50 UTC3h 45m
2026-07-21 AAL2038 JFK → CLT Jul 21, 15:35 UTCJul 21, 19:25 UTC3h 50m
2026-07-21 AAL1002 - Jul 21, 12:15 UTCJul 21, 13:40 UTC1h 25m
2026-07-21 AAL1426 - Jul 21, 03:10 UTCJul 21, 05:05 UTC1h 55m
2026-07-20 AAL2038 JFK → CLT Jul 20, 21:45 UTCJul 21, 01:35 UTC3h 49m
2026-07-20 AAL2038 JFK → CLT Jul 20, 16:20 UTCJul 20, 20:05 UTC3h 45m
2026-07-20 AAL3187 LGA → DCA Jul 20, 14:00 UTCJul 20, 14:50 UTC50m
2026-07-20 AAL3187 LGA → DCA Jul 20, 11:35 UTCJul 20, 11:55 UTC20m
2026-07-20 AAL2830 SFO → DFW Jul 20, 02:50 UTCJul 20, 03:10 UTC20m
2026-07-20 AAL2830 SFO → DFW Jul 20, 00:05 UTCJul 20, 01:15 UTC1h 10m
2026-07-20 AAL2830 SFO → DFW Jul 20, 00:04 UTCJul 20, 03:08 UTC3h 4m
2026-07-19 AAL2784 DCA → ORD Jul 19, 21:15 UTCJul 19, 22:30 UTC1h 15m
2026-07-19 AAL2772 JFK → AUS Jul 19, 16:10 UTCJul 19, 19:55 UTC3h 45m
2026-07-19 AAL2027 DCA → LGA Jul 19, 13:40 UTCJul 19, 14:40 UTC1h 0m
2026-07-19 AAL1084 - Jul 19, 02:45 UTCJul 19, 05:20 UTC2h 35m
2026-07-18 AAL2634 - Jul 18, 22:15 UTCJul 19, 01:20 UTC3h 5m
2026-07-18 AAL2634 - Jul 18, 18:00 UTCJul 18, 21:00 UTC3h 0m
2026-07-18 AAL2075 MCO → DFW Jul 18, 13:54 UTCJul 18, 16:12 UTC2h 18m
2026-07-18 AAL2075 MCO → DFW Jul 18, 13:55 UTCJul 18, 16:10 UTC2h 15m
2026-07-18 AAL486 ORD → MCO Jul 18, 00:29 UTCJul 18, 02:45 UTC2h 15m
2026-07-17 AAL2988 - Jul 17, 21:05 UTCJul 17, 23:05 UTC2h 0m
2026-07-17 AAL681P CUN → DFW Jul 17, 16:19 UTCJul 17, 18:40 UTC2h 20m
2026-07-17 AAL1507 - Jul 17, 02:10 UTCJul 17, 02:59 UTC50m
2026-07-17 AAL1507 DFW → CUN Jul 17, 01:53 UTCJul 17, 04:24 UTC2h 31m

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 N127AA page for operator, model, and routing details .

Mode-S A06DB4 frequently asked

What is Mode-S code A06DB4?
A06DB4 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N127AA.
Where is Mode-S A06DB4 registered?
Mode-S code A06DB4 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 A06DB4 broadcasting right now?
Yes. Mode-S A06DB4 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A06DB4, octal 50066664, decimal 10,513,844.
What flights does A06DB4 operate?
Mode-S A06DB4 has broadcast 20 distinct callsigns, including AAL2584, AAL870, AAL2038, AAL1861, AAL757.