Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

AB9DE9

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N848DN · BOEING 737-900 · operated by WELLS FARGO TRUST CO NA TRUSTEE

Hex
AB9DE9
Octal
52716751
Decimal
11,247,081
Country
US
Tail
N848DN
Type
B739
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
525
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S AB9DE9.

Country allocation

The ICAO 24-bit address AB9DE9 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
DAL2437 - 9 2026-07-09
DAL1757 Delta Air Lines 9 2026-07-26
DAL1913 Delta Air Lines 7 2026-05-18
DAL1380 Delta Air Lines 6 2026-04-16
DAL864 Delta Air Lines 5 2026-05-26
DAL2400 - 5 2026-07-04
DAL2329 - 5 2026-06-22
DAL1910 Delta Air Lines 5 2026-07-25
DAL809 Delta Air Lines 4 2026-06-10
DAL3146 Delta Air Lines 4 2026-06-15
DAL3025 - 4 2026-06-24
DAL2852 Delta Air Lines 4 2026-05-19
DAL2775 Delta Air Lines 4 2026-04-28
DAL2695 Delta Air Lines 4 2026-05-12
DAL2510 Delta Air Lines 4 2026-07-04
DAL2415 - 4 2026-07-05
DAL2369 - 4 2026-07-09
DAL2323 Delta Air Lines 4 2026-04-29
DAL2284 - 4 2026-07-17
DAL2022 Delta Air Lines 4 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL1124 RSW → ATL Jul 26, 22:05 UTCJul 26, 22:15 UTC10m
2026-07-26 DAL1757 SLC → SJD Jul 26, 18:35 UTCJul 26, 20:15 UTC1h 40m
2026-07-26 DAL1757 SLC → SJD Jul 26, 17:00 UTCJul 26, 17:15 UTC15m
2026-07-26 DAL1757 SLC → SJD Jul 26, 15:25 UTCJul 26, 15:35 UTC10m
2026-07-26 DAL1757 SLC → SJD Jul 26, 12:20 UTCJul 26, 13:40 UTC1h 20m
2026-07-25 DAL1978 SAL → ATL Jul 25, 20:05 UTCJul 25, 23:05 UTC3h 0m
2026-07-25 DAL1910 ATL → SAL Jul 25, 15:10 UTCJul 25, 17:55 UTC2h 45m
2026-07-25 DAL2838 RDU → LGA Jul 25, 11:15 UTCJul 25, 12:30 UTC1h 15m
2026-07-25 DAL2150 MSP → FLL Jul 25, 02:40 UTCJul 25, 04:00 UTC1h 20m
2026-07-24 DAL2058 GRR → ATL Jul 24, 23:30 UTCJul 25, 01:05 UTC1h 35m
2026-07-24 DAL2058 GRR → ATL Jul 24, 20:10 UTCJul 24, 21:35 UTC1h 25m
2026-07-24 DAL741 SMF → ATL Jul 24, 13:45 UTCJul 24, 18:30 UTC4h 45m
2026-07-23 DAL743 ATL → SMF Jul 23, 22:20 UTCJul 24, 02:35 UTC4h 15m
2026-07-23 DAL743 ATL → SMF Jul 23, 22:18 UTCJul 24, 02:34 UTC4h 16m
2026-07-23 DAL2894 ATL → PHL Jul 23, 19:20 UTCJul 23, 20:45 UTC1h 25m
2026-07-23 DAL2894 ATL → PHL Jul 23, 19:19 UTCJul 23, 20:38 UTC1h 19m
2026-07-23 DAL2894 ATL → PHL Jul 23, 15:45 UTCJul 23, 17:15 UTC1h 30m
2026-07-23 DAL2988 HPN → ATL Jul 23, 12:00 UTCJul 23, 13:40 UTC1h 40m
2026-07-23 DAL2669 SLC → GEG Jul 23, 00:29 UTCJul 23, 02:15 UTC1h 46m
2026-07-23 DAL2669 SLC → GEG Jul 23, 00:30 UTCJul 23, 02:15 UTC1h 45m
2026-07-22 DAL1805 SAP → ATL Jul 22, 19:15 UTCJul 22, 21:40 UTC2h 25m
2026-07-22 DAL1782 ATL → SAP Jul 22, 14:28 UTCJul 22, 17:12 UTC2h 44m
2026-07-22 DAL1782 ATL → SAP Jul 22, 14:30 UTCJul 22, 16:45 UTC2h 15m
2026-07-22 DAL1361 SAT → LAX Jul 22, 11:30 UTCJul 22, 12:05 UTC35m
2026-07-21 DAL1124 RSW → ATL Jul 21, 21:24 UTCJul 21, 22:57 UTC1h 33m
2026-07-21 DAL1124 RSW → ATL Jul 21, 21:15 UTCJul 21, 22:40 UTC1h 25m
2026-07-21 DAL1359 PBI → LGA Jul 21, 18:51 UTCJul 21, 19:34 UTC43m
2026-07-21 DAL1359 PBI → LGA Jul 21, 16:35 UTCJul 21, 17:15 UTC40m
2026-07-21 DAL2634 ATL → RDU Jul 21, 14:25 UTCJul 21, 15:25 UTC1h 0m
2026-07-21 DAL2634 ATL → RDU Jul 21, 14:21 UTCJul 21, 15:20 UTC59m
2026-07-21 DAL2634 ATL → RDU Jul 21, 11:35 UTCJul 21, 12:30 UTC55m
2026-07-21 DAL567 LAS → BOS Jul 21, 05:25 UTCJul 21, 09:30 UTC4h 5m
2026-07-21 DAL2640 MCO → BOS Jul 21, 01:10 UTCJul 21, 03:10 UTC2h 0m
2026-07-20 DAL841 SLC → LAX Jul 20, 22:05 UTCJul 20, 23:30 UTC1h 25m
2026-07-20 DAL1194 DTW → EWR Jul 20, 18:55 UTCJul 20, 20:25 UTC1h 30m
2026-07-20 DAL1095 LAX → JFK Jul 20, 16:05 UTCJul 20, 17:25 UTC1h 20m
2026-07-20 DAL1095 LAX → JFK Jul 20, 16:01 UTCJul 20, 17:21 UTC1h 20m
2026-07-20 DAL2906 - Jul 20, 12:50 UTCJul 20, 14:20 UTC1h 30m
2026-07-20 DAL1197 SLC → LAX Jul 20, 05:20 UTCJul 20, 06:45 UTC1h 25m
2026-07-19 DAL2022 SDF → ATL Jul 19, 23:20 UTCJul 20, 03:40 UTC4h 20m
2026-07-19 DAL2022 SDF → ATL Jul 19, 17:25 UTCJul 19, 21:15 UTC3h 50m
2026-07-19 DAL2023 ATL → PVD Jul 19, 11:50 UTCJul 19, 15:55 UTC4h 5m
2026-07-18 DAL2022 SDF → ATL Jul 18, 22:35 UTCJul 18, 22:40 UTC5m
2026-07-18 DAL2022 SDF → ATL Jul 18, 17:55 UTCJul 18, 22:30 UTC4h 35m
2026-07-18 DAL1440 GEG → SLC Jul 18, 12:40 UTCJul 18, 13:55 UTC1h 15m
2026-07-18 DAL1466 - Jul 18, 05:50 UTCJul 18, 07:05 UTC1h 15m
2026-07-18 DAL1466 SLC → GEG Jul 18, 05:49 UTCJul 18, 07:03 UTC1h 14m
2026-07-18 DAL2209 - Jul 18, 00:50 UTCJul 18, 03:45 UTC2h 56m
2026-07-17 DAL449 - Jul 17, 19:25 UTCJul 17, 23:10 UTC3h 45m
2026-07-17 DAL449 LAX → BNA Jul 17, 19:24 UTCJul 17, 23:12 UTC3h 48m

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 N848DN page for operator, model, and routing details .

Mode-S AB9DE9 frequently asked

What is Mode-S code AB9DE9?
AB9DE9 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N848DN.
Where is Mode-S AB9DE9 registered?
Mode-S code AB9DE9 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 AB9DE9 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB9DE9, octal 52716751, decimal 11,247,081.
What flights does AB9DE9 operate?
Mode-S AB9DE9 has broadcast 20 distinct callsigns, including DAL2437, DAL1757, DAL1913, DAL1380, DAL864.