Apparatus

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sensors Mode-S transponder

A97DCB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N710TW · BOEING 757-200 · operated by DELTA AIR LINES INC

Hex
A97DCB
Octal
52276713
Decimal
11,107,787
Country
US
Tail
N710TW
Type
B752
Broadcasting now · callsign DAL363 · 40,175 ft
Flights observed
341
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:45 UTC

Current position

A97DCB is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A97DCB 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
DAL667 - 18 2026-07-16
DAL392 - 18 2026-07-10
DAL1857 - 18 2026-07-24
DAL383 - 16 2026-07-16
DAL363 - 14 2026-07-17
DAL329 Delta Air Lines 14 2026-07-19
DAL639 Delta Air Lines 12 2026-07-08
DAL321 - 11 2026-07-07
DAL556 Delta Air Lines 10 2026-07-26
DAL403 Delta Air Lines 10 2026-07-23
DAL826 Delta Air Lines 9 2026-07-25
DAL721 Delta Air Lines 9 2026-07-25
DAL507 - 9 2026-07-11
DAL1732 - 9 2026-07-14
DAL791 Delta Air Lines 8 2026-07-26
DAL1488 Delta Air Lines 7 2026-05-03
DAL699 Delta Air Lines 6 2026-06-05
DAL415 Delta Air Lines 6 2026-06-05
DAL382 Delta Air Lines 6 2026-05-02
DAL2012 Delta Air Lines 6 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DAL791 SEA → MSP Jul 26, 18:55 UTCJul 26, 22:45 UTC3h 50m
2026-07-26 DAL791 SEA → MSP Jul 26, 12:40 UTCJul 26, 17:05 UTC4h 25m
2026-07-26 DAL556 LGA → ORD Jul 26, 04:10 UTCJul 26, 08:55 UTC4h 46m
2026-07-25 DAL2012 MSP → RDU Jul 25, 22:10 UTCJul 26, 02:10 UTC4h 0m
2026-07-25 DAL721 SFO → ATL Jul 25, 14:20 UTCJul 25, 18:25 UTC4h 5m
2026-07-25 DAL826 BOS → DTW Jul 25, 01:15 UTCJul 25, 05:05 UTC3h 50m
2026-07-24 DAL1521 MCI → DTW Jul 24, 19:45 UTCJul 24, 23:45 UTC4h 0m
2026-07-24 DAL1857 - Jul 24, 13:30 UTCJul 24, 17:35 UTC4h 5m
2026-07-23 DAL1856 PLS → MSP Jul 23, 19:15 UTCJul 23, 23:00 UTC3h 45m
2026-07-23 DAL403 ATL → RDU Jul 23, 12:35 UTCJul 23, 17:50 UTC5h 15m
2026-07-23 DAL556 LGA → ORD Jul 23, 04:15 UTCJul 23, 09:00 UTC4h 45m
2026-07-22 DAL2012 MSP → RDU Jul 22, 21:45 UTCJul 23, 01:35 UTC3h 50m
2026-07-22 DAL2012 MSP → RDU Jul 22, 21:42 UTCJul 23, 01:34 UTC3h 52m
2026-07-22 DAL721 SFO → ATL Jul 22, 14:25 UTCJul 22, 18:15 UTC3h 50m
2026-07-22 DAL721 SFO → ATL Jul 22, 14:23 UTCJul 22, 18:25 UTC4h 2m
2026-07-22 DAL826 BOS → DTW Jul 22, 01:35 UTCJul 22, 05:25 UTC3h 50m
2026-07-21 DAL2326 - Jul 21, 15:00 UTCJul 21, 15:45 UTC45m
2026-07-21 DAL2326 - Jul 21, 12:40 UTCJul 21, 13:25 UTC45m
2026-07-19 DAL329 SJU → MSP Jul 19, 21:15 UTCJul 20, 01:15 UTC4h 0m
2026-07-19 DAL329 SJU → MSP Jul 19, 15:20 UTCJul 19, 19:05 UTC3h 45m
2026-07-18 DAL724 OAK → ATL Jul 18, 23:25 UTCJul 19, 03:45 UTC4h 20m
2026-07-18 DAL724 SFO → ATL Jul 18, 23:22 UTCJul 19, 03:43 UTC4h 21m
2026-07-18 DAL750 ATL → SFO Jul 18, 17:35 UTCJul 18, 21:50 UTC4h 15m
2026-07-17 DAL724 - Jul 17, 23:45 UTCJul 18, 04:05 UTC4h 21m
2026-07-17 DAL363 JFK → SFO Jul 17, 15:48 UTCJul 17, 21:08 UTC5h 20m
2026-07-17 DAL363 JFK → SFO Jul 17, 15:49 UTCJul 17, 21:10 UTC5h 20m
2026-07-17 DAL2112 - Jul 17, 07:40 UTCJul 17, 12:40 UTC5h 0m
2026-07-16 DAL667 JFK → SFO Jul 16, 23:59 UTCJul 17, 05:30 UTC5h 30m
2026-07-16 DAL383 OAK → JFK Jul 16, 16:19 UTCJul 16, 21:19 UTC5h 0m
2026-07-16 DAL667 JFK → SFO Jul 16, 03:50 UTCJul 16, 09:07 UTC5h 17m
2026-07-16 DAL667 JFK → SFO Jul 16, 03:50 UTCJul 16, 08:55 UTC5h 5m
2026-07-16 DAL383 BUF → JFK Jul 16, 00:10 UTCJul 16, 01:15 UTC1h 5m
2026-07-15 DAL383 SFO → BUF Jul 15, 16:25 UTCJul 15, 21:25 UTC5h 0m
2026-07-14 DAL667 JFK → SFO Jul 14, 23:45 UTCJul 15, 05:00 UTC5h 15m
2026-07-14 DAL383 SFO → JFK Jul 14, 16:25 UTCJul 14, 21:40 UTC5h 15m
2026-07-14 DAL1732 - Jul 14, 01:55 UTCJul 14, 07:05 UTC5h 10m
2026-07-14 DAL1732 JFK → SFO Jul 14, 01:55 UTCJul 14, 07:03 UTC5h 8m
2026-07-13 DAL791 PHX → JFK Jul 13, 18:50 UTCJul 13, 23:30 UTC4h 40m
2026-07-13 DAL791 JFK → PHX Jul 13, 12:25 UTCJul 13, 16:40 UTC4h 15m
2026-07-12 DAL396 SFO → JFK Jul 12, 23:15 UTCJul 13, 04:25 UTC5h 10m
2026-07-12 DAL750 ATL → SFO Jul 12, 17:15 UTCJul 12, 21:35 UTC4h 20m
2026-07-12 DAL2326 JAX → ATL Jul 12, 14:55 UTCJul 12, 15:40 UTC45m
2026-07-12 DAL2326 JAX → ATL Jul 12, 14:51 UTCJul 12, 15:37 UTC46m
2026-07-12 DAL2326 JAX → ATL Jul 12, 12:50 UTCJul 12, 13:30 UTC40m
2026-07-11 DAL329 - Jul 11, 20:55 UTCJul 12, 01:00 UTC4h 5m
2026-07-11 DAL329 ATL → SNA Jul 11, 15:15 UTCJul 11, 19:10 UTC3h 55m
2026-07-11 DAL695 BOS → ATL Jul 11, 11:00 UTCJul 11, 13:05 UTC2h 5m
2026-07-11 DAL507 - Jul 11, 04:10 UTCJul 11, 09:00 UTC4h 50m
2026-07-10 DAL392 - Jul 10, 21:30 UTCJul 11, 02:20 UTC4h 50m
2026-07-10 DAL392 - Jul 10, 14:40 UTCJul 10, 19:00 UTC4h 20m

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 N710TW page for operator, model, and routing details .

Mode-S A97DCB frequently asked

What is Mode-S code A97DCB?
A97DCB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N710TW.
Where is Mode-S A97DCB registered?
Mode-S code A97DCB 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 A97DCB broadcasting right now?
Yes. Mode-S A97DCB is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A97DCB, octal 52276713, decimal 11,107,787.
What flights does A97DCB operate?
Mode-S A97DCB has broadcast 20 distinct callsigns, including DAL667, DAL392, DAL1857, DAL383, DAL363.