Apparatus

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sensors Mode-S transponder

AAF828

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N806AA · BOEING 787-8 Dreamliner · operated by AMERICAN AIRLINES INC

Hex
AAF828
Octal
52574050
Decimal
11,204,648
Country
US
Tail
N806AA
Type
B788
No current signal · last broadcast 4h ago
Flights observed
149
Distinct callsigns
20
Country
US
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S AAF828.

Country allocation

The ICAO 24-bit address AAF828 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
AAL781 American Airlines 8 2026-06-10
AAL102 - 7 2026-06-19
AAL180 American Airlines 6 2026-06-10
AAL151 American Airlines 6 2026-05-30
AAL93 American Airlines 5 2026-05-13
AAL723 American Airlines 5 2026-05-12
AAL150 American Airlines 5 2026-05-30
AAL125 - 5 2026-06-24
AAL92 American Airlines 4 2026-05-12
AAL758 American Airlines 4 2026-06-06
AAL741 American Airlines 4 2026-05-26
AAL740 - 4 2026-06-24
AAL284 - 4 2026-06-25
AAL161 American Airlines 4 2026-06-07
AAL995 - 3 2026-06-27
AAL934 American Airlines 3 2026-05-01
AAL906 American Airlines 3 2026-05-18
AAL755 American Airlines 3 2026-05-05
AAL715 American Airlines 3 2026-06-23
AAL5 American Airlines 3 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-27 AAL995 - Jun 27, 03:40 UTCJun 27, 11:30 UTC7h 50m
2026-06-26 AAL3306 - Jun 26, 20:59 UTCJun 26, 23:09 UTC2h 10m
2026-06-26 AAL285 - Jun 26, 08:40 UTCJun 26, 16:49 UTC8h 10m
2026-06-25 AAL284 - Jun 25, 22:39 UTCJun 26, 04:00 UTC5h 20m
2026-06-25 AAL284 PHL → PRG Jun 25, 22:36 UTCJun 26, 05:51 UTC7h 15m
2026-06-25 AAL743 - Jun 25, 11:10 UTCJun 25, 19:09 UTC8h 0m
2026-06-25 AAL40 - Jun 25, 01:14 UTCJun 25, 09:05 UTC7h 50m
2026-06-24 AAL125 - Jun 24, 11:45 UTCJun 24, 11:59 UTC15m
2026-06-24 AAL125 MAD → ORD Jun 24, 11:44 UTCJun 24, 20:08 UTC8h 24m
2026-06-24 AAL125 MAD → ORD Jun 24, 11:44 UTCJun 24, 20:05 UTC8h 21m
2026-06-24 AAL740 - Jun 24, 00:40 UTCJun 24, 07:10 UTC6h 30m
2026-06-23 AAL715 VCE → PHL Jun 23, 11:54 UTCJun 23, 20:29 UTC8h 35m
2026-06-23 AAL715 VCE → PHL Jun 23, 11:52 UTCJun 23, 20:28 UTC8h 36m
2026-06-22 AAL130 - Jun 22, 23:55 UTCJun 23, 03:20 UTC3h 25m
2026-06-22 AAL130 DFW → VCE Jun 22, 23:51 UTCJun 23, 09:15 UTC9h 24m
2026-06-20 AAL71 - Jun 20, 11:25 UTCJun 20, 13:04 UTC1h 40m
2026-06-20 AAL71 FRA → DFW Jun 20, 11:21 UTCJun 20, 21:07 UTC9h 46m
2026-06-20 AAL70 DFW → FRA Jun 20, 00:04 UTCJun 20, 08:55 UTC8h 50m
2026-06-20 AAL70 DFW → FRA Jun 20, 00:04 UTCJun 20, 08:56 UTC8h 52m
2026-06-19 AAL102 - Jun 19, 13:39 UTCJun 19, 14:24 UTC45m
2026-06-19 AAL102 AUS → DFW Jun 19, 13:35 UTCJun 19, 14:37 UTC1h 2m
2026-06-19 AAL102 - Jun 19, 05:00 UTCJun 19, 05:14 UTC15m
2026-06-19 AAL102 HNL → DFW Jun 19, 04:56 UTCJun 19, 11:40 UTC6h 44m
2026-06-19 AAL5 DFW → HNL Jun 19, 01:10 UTCJun 19, 01:29 UTC20m
2026-06-18 AAL5 DFW → HNL Jun 18, 18:00 UTCJun 18, 20:50 UTC2h 50m
2026-06-17 AAL131 SFO → LAX Jun 17, 10:15 UTCJun 17, 20:45 UTC10h 30m
2026-06-16 AAL714 - Jun 16, 23:55 UTCJun 17, 07:15 UTC7h 20m
2026-06-16 AAL715 VCE → PHL Jun 16, 11:45 UTCJun 16, 20:30 UTC8h 46m
2026-06-15 AAL130 LGA → DFW Jun 15, 22:59 UTCJun 16, 08:10 UTC9h 10m
2026-06-14 AAL6 - Jun 14, 03:50 UTCJun 14, 10:30 UTC6h 41m
2026-06-14 AAL6 HNL → DFW Jun 14, 03:49 UTCJun 14, 10:31 UTC6h 42m
2026-06-13 AAL115 DFW → HNL Jun 13, 21:45 UTCJun 13, 21:55 UTC10m
2026-06-13 AAL115 DFW → HNL Jun 13, 14:30 UTCJun 13, 17:50 UTC3h 20m
2026-06-13 AAL102 - Jun 13, 09:30 UTCJun 13, 12:10 UTC2h 40m
2026-06-13 AAL102 - Jun 13, 05:40 UTCJun 13, 05:55 UTC15m
2026-06-13 AAL102 HNL → DFW Jun 13, 05:36 UTCJun 13, 12:05 UTC6h 29m
2026-06-12 AAL5 DFW → HNL Jun 12, 20:00 UTCJun 13, 03:35 UTC7h 35m
2026-06-11 AAL131 SFO → LAX Jun 11, 10:30 UTCJun 11, 21:25 UTC10h 55m
2026-06-11 AAL714 PHL → VCE Jun 11, 00:10 UTCJun 11, 07:30 UTC7h 20m
2026-06-10 AAL781 STL → LGA Jun 10, 11:55 UTCJun 10, 14:55 UTC3h 0m
2026-06-10 AAL781 STL → LGA Jun 10, 11:51 UTCJun 10, 21:05 UTC9h 14m
2026-06-10 AAL180 DCA → CLT Jun 10, 00:50 UTCJun 10, 09:30 UTC8h 40m
2026-06-09 AAL209 DUB → ORD Jun 9, 08:40 UTCJun 9, 15:40 UTC7h 0m
2026-06-08 AAL722 PHL → DUB Jun 8, 22:55 UTCJun 9, 04:00 UTC5h 5m
2026-06-08 AAL722 PHL → DUB Jun 8, 22:49 UTCJun 9, 04:48 UTC5h 59m
2026-06-08 AAL781 STL → LGA Jun 8, 11:35 UTCJun 8, 12:00 UTC25m
2026-06-08 AAL781 STL → LGA Jun 8, 11:27 UTCJun 8, 20:28 UTC9h 1m
2026-06-08 AAL781 STL → LGA Jun 8, 11:27 UTCJun 8, 20:21 UTC8h 54m
2026-06-07 AAL180 DCA → CLT Jun 7, 23:45 UTCJun 8, 08:30 UTC8h 45m
2026-06-07 AAL161 ATH → ORD Jun 7, 08:30 UTCJun 7, 18:35 UTC10h 5m

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 N806AA page for operator, model, and routing details .

Mode-S AAF828 frequently asked

What is Mode-S code AAF828?
AAF828 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N806AA.
Where is Mode-S AAF828 registered?
Mode-S code AAF828 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 AAF828 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AAF828, octal 52574050, decimal 11,204,648.
What flights does AAF828 operate?
Mode-S AAF828 has broadcast 20 distinct callsigns, including AAL781, AAL102, AAL180, AAL151, AAL93.