Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

ABAF1E

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N852DN · BOEING 737-900 · operated by DELTA AIR LINES INC

Hex
ABAF1E
Octal
52727436
Decimal
11,251,486
Country
US
Tail
N852DN
Type
B739
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
512
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S ABAF1E.

Country allocation

The ICAO 24-bit address ABAF1E 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
DAL1757 - 12 2026-07-04
DAL904 Delta Air Lines 8 2026-06-05
DAL2323 Delta Air Lines 6 2026-05-15
DAL2020 Delta Air Lines 6 2026-04-22
DAL963 - 5 2026-07-08
DAL3169 - 5 2026-07-12
DAL3157 - 5 2026-06-21
DAL2500 - 5 2026-07-18
DAL1251 - 5 2026-07-12
DAL1004 - 5 2026-07-10
DAL886 - 4 2026-07-12
DAL560 Delta Air Lines 4 2026-07-18
DAL2951 - 4 2026-07-09
DAL2545 Delta Air Lines 4 2026-07-24
DAL2530 Delta Air Lines 4 2026-06-16
DAL2400 Delta Air Lines 4 2026-05-26
DAL2325 Delta Air Lines 4 2026-04-15
DAL2227 Delta Air Lines 4 2026-07-18
DAL2106 Delta Air Lines 4 2026-05-03
DAL1918 Delta Air Lines 4 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL1456 MSP → DTW Jul 26, 21:00 UTCJul 26, 21:30 UTC30m
2026-07-26 DAL630 ANC → MSP Jul 26, 16:45 UTCJul 26, 19:15 UTC2h 30m
2026-07-26 DAL630 ANC → MSP Jul 26, 16:42 UTCJul 26, 19:14 UTC2h 32m
2026-07-26 DAL2261 ATL → BDL Jul 26, 12:20 UTCJul 26, 15:10 UTC2h 50m
2026-07-25 DAL2981 TPA → BOS Jul 25, 21:50 UTCJul 26, 00:05 UTC2h 15m
2026-07-25 DAL1273 LAS → LAX Jul 25, 19:55 UTCJul 25, 20:25 UTC30m
2026-07-25 DAL1273 LAS → LAX Jul 25, 17:15 UTCJul 25, 17:40 UTC25m
2026-07-25 DAL1074 MSP → LGA Jul 25, 12:55 UTCJul 25, 15:30 UTC2h 35m
2026-07-25 DAL1074 MSP → LGA Jul 25, 12:54 UTCJul 25, 15:23 UTC2h 29m
2026-07-25 DAL971 MSP → CMH Jul 25, 03:00 UTCJul 25, 05:30 UTC2h 30m
2026-07-24 DAL2545 RDU → BOS Jul 24, 23:35 UTCJul 25, 00:55 UTC1h 20m
2026-07-24 DAL2545 RDU → BOS Jul 24, 20:50 UTCJul 24, 22:05 UTC1h 15m
2026-07-24 DAL3019 PNS → ATL Jul 24, 17:15 UTCJul 24, 18:00 UTC45m
2026-07-24 DAL3021 ATL → PNS Jul 24, 00:05 UTCJul 24, 00:50 UTC45m
2026-07-24 DAL3021 ATL → PNS Jul 24, 00:02 UTCJul 24, 00:47 UTC45m
2026-07-23 DAL1196 RSW → ATL Jul 23, 19:50 UTCJul 23, 21:00 UTC1h 10m
2026-07-23 DAL1196 RSW → ATL Jul 23, 17:00 UTCJul 23, 18:15 UTC1h 15m
2026-07-23 DAL3125 IND → ATL Jul 23, 14:15 UTCJul 23, 15:20 UTC1h 5m
2026-07-23 DAL3125 IND → ATL Jul 23, 11:50 UTCJul 23, 12:55 UTC1h 5m
2026-07-23 DAL878 RDU → LGA Jul 23, 05:15 UTCJul 23, 09:15 UTC4h 0m
2026-07-23 DAL574 BOS → ATL Jul 23, 00:00 UTCJul 23, 03:25 UTC3h 25m
2026-07-22 DAL2129 LGA → ORD Jul 22, 19:05 UTCJul 22, 22:25 UTC3h 20m
2026-07-22 DAL2129 LGA → ORD Jul 22, 14:10 UTCJul 22, 17:05 UTC2h 55m
2026-07-21 DAL2510 LGA → MSP Jul 21, 14:00 UTCJul 21, 16:55 UTC2h 55m
2026-07-21 DAL2733 DFW → LGA Jul 21, 01:30 UTCJul 21, 03:35 UTC2h 5m
2026-07-20 DAL1701 ORD → ATL Jul 20, 21:00 UTCJul 21, 00:00 UTC3h 0m
2026-07-20 DAL1701 ORD → ATL Jul 20, 15:35 UTCJul 20, 18:50 UTC3h 15m
2026-07-20 DAL2954 PBI → LGA Jul 20, 03:45 UTCJul 20, 13:55 UTC10h 10m
2026-07-19 DAL2981 ATL → MSP Jul 19, 23:35 UTCJul 20, 01:45 UTC2h 10m
2026-07-19 DAL1522 MSP → PHX Jul 19, 21:15 UTCJul 19, 21:45 UTC30m
2026-07-19 DAL1522 MSP → PHX Jul 19, 21:14 UTCJul 19, 21:43 UTC29m
2026-07-19 DAL1522 MSP → PHX Jul 19, 17:05 UTCJul 19, 18:50 UTC1h 45m
2026-07-19 DAL1522 MSP → PHX Jul 19, 14:25 UTCJul 19, 15:35 UTC1h 10m
2026-07-18 DAL560 SFO → ATL Jul 18, 23:25 UTCJul 19, 03:30 UTC4h 5m
2026-07-18 DAL629 ATL → SEA Jul 18, 17:00 UTCJul 18, 21:35 UTC4h 35m
2026-07-18 DAL2227 JFK → ATL Jul 18, 13:26 UTCJul 18, 15:04 UTC1h 38m
2026-07-18 DAL2227 JFK → ATL Jul 18, 13:30 UTCJul 18, 15:10 UTC1h 40m
2026-07-18 DAL2500 - Jul 18, 01:25 UTCJul 18, 04:00 UTC2h 36m
2026-07-17 DAL2500 JFK → MIA Jul 17, 19:45 UTCJul 17, 22:05 UTC2h 20m
2026-07-17 DAL732 TPA → JFK Jul 17, 15:25 UTCJul 17, 17:50 UTC2h 25m
2026-07-17 DAL2531 MSN → MSP Jul 17, 11:30 UTCJul 17, 13:39 UTC2h 9m
2026-07-17 DAL2531 MSN → MSP Jul 17, 11:30 UTCJul 17, 13:45 UTC2h 15m
2026-07-16 DAL2454 TPA → LGA Jul 16, 23:05 UTCJul 17, 01:20 UTC2h 15m
2026-07-16 DAL2093 JFK → TPA Jul 16, 18:55 UTCJul 16, 21:10 UTC2h 15m
2026-07-16 DAL2380 - Jul 16, 15:19 UTCJul 16, 15:30 UTC10m
2026-07-16 DAL2380 ATL → JFK Jul 16, 15:18 UTCJul 16, 17:12 UTC1h 54m
2026-07-16 DAL2161 - Jul 16, 12:00 UTCJul 16, 13:40 UTC1h 40m
2026-07-16 DAL2865 ATL → GRR Jul 16, 02:05 UTCJul 16, 03:35 UTC1h 30m
2026-07-15 DAL1206 - Jul 15, 23:00 UTCJul 16, 00:30 UTC1h 30m
2026-07-15 DAL1206 ATL → MKE Jul 15, 19:43 UTCJul 15, 21:13 UTC1h 30m

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 N852DN page for operator, model, and routing details .

Mode-S ABAF1E frequently asked

What is Mode-S code ABAF1E?
ABAF1E is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N852DN.
Where is Mode-S ABAF1E registered?
Mode-S code ABAF1E 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 ABAF1E broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABAF1E, octal 52727436, decimal 11,251,486.
What flights does ABAF1E operate?
Mode-S ABAF1E has broadcast 20 distinct callsigns, including DAL1757, DAL904, DAL2323, DAL2020, DAL963.