Apparatus

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sensors Mode-S transponder

A74BAB

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N5697E · CESSNA 172 Skyhawk · operated by REDSTONE ARSENAL FLYING ACTIVITY

Hex
A74BAB
Octal
51645653
Decimal
10,963,883
Country
US
Tail
N5697E
Type
C172
No current signal · last broadcast 3d ago
Flights observed
89
Distinct callsigns
1
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S A74BAB.

Country allocation

The ICAO 24-bit address A74BAB 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 1 distinct

Callsign Airline Flights Last seen
N5697E - 89 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 N5697E FYM → HUA Jul 11, 00:55 UTCJul 11, 01:30 UTC35m
2026-07-10 N5697E - Jul 10, 23:55 UTCJul 11, 00:15 UTC20m
2026-07-05 N5697E - Jul 5, 23:10 UTCJul 5, 23:25 UTC15m
2026-07-05 N5697E - Jul 5, 22:00 UTCJul 5, 22:40 UTC40m
2026-07-05 N5697E - Jul 5, 13:10 UTCJul 5, 16:10 UTC3h 0m
2026-07-03 N5697E - Jul 3, 12:10 UTCJul 3, 15:45 UTC3h 35m
2026-07-02 N5697E - Jul 2, 19:35 UTCJul 2, 19:45 UTC10m
2026-07-02 N5697E - Jul 2, 18:15 UTCJul 2, 19:00 UTC45m
2026-06-30 N5697E - Jun 30, 18:00 UTCJun 30, 18:55 UTC55m
2026-06-30 N5697E - Jun 30, 15:05 UTCJun 30, 16:15 UTC1h 10m
2026-06-28 N5697E - Jun 28, 23:04 UTCJun 28, 23:20 UTC15m
2026-06-28 N5697E - Jun 28, 18:34 UTCJun 28, 18:44 UTC10m
2026-06-26 N5697E HUA → HUA Jun 26, 19:09 UTCJun 26, 20:04 UTC55m
2026-06-25 N5697E HUA → HUA Jun 25, 17:34 UTCJun 25, 18:29 UTC55m
2026-06-20 N5697E - Jun 20, 14:50 UTCJun 20, 16:24 UTC1h 35m
2026-06-20 N5697E - Jun 20, 13:55 UTCJun 20, 14:09 UTC15m
2026-06-20 N5697E - Jun 20, 11:34 UTCJun 20, 12:59 UTC1h 25m
2026-06-19 N5697E HUA → HUA Jun 19, 19:04 UTCJun 19, 19:59 UTC55m
2026-06-16 N5697E HUA → HUA Jun 16, 22:30 UTCJun 16, 23:25 UTC55m
2026-06-16 N5697E - Jun 16, 18:45 UTCJun 16, 19:55 UTC1h 11m
2026-06-16 N5697E - Jun 16, 15:00 UTCJun 16, 16:30 UTC1h 30m
2026-06-16 N5697E HUA → HUA Jun 16, 00:50 UTCJun 16, 02:24 UTC1h 35m
2026-06-14 N5697E - Jun 14, 18:45 UTCJun 14, 19:45 UTC1h 0m
2026-06-13 N5697E - Jun 13, 20:15 UTCJun 13, 21:20 UTC1h 5m
2026-06-13 N5697E - Jun 13, 17:45 UTCJun 13, 18:40 UTC55m
2026-06-12 N5697E - Jun 12, 21:30 UTCJun 12, 22:25 UTC55m
2026-06-12 N5697E HUA → HUA Jun 12, 19:15 UTCJun 12, 20:20 UTC1h 5m
2026-06-12 N5697E - Jun 12, 12:40 UTCJun 12, 13:50 UTC1h 10m
2026-06-12 N5697E - Jun 12, 00:35 UTCJun 12, 01:50 UTC1h 15m
2026-06-11 N5697E HUA → HUA Jun 11, 21:30 UTCJun 11, 22:30 UTC1h 0m
2026-06-11 N5697E - Jun 11, 14:15 UTCJun 11, 15:35 UTC1h 20m
2026-06-10 N5697E HUA → HUA Jun 10, 19:55 UTCJun 10, 20:55 UTC1h 0m
2026-06-10 N5697E - Jun 10, 14:30 UTCJun 10, 15:35 UTC1h 5m
2026-06-09 N5697E HUA → HUA Jun 9, 00:35 UTCJun 9, 01:30 UTC55m
2026-06-06 N5697E HUA → HUA Jun 6, 22:20 UTCJun 6, 23:24 UTC1h 5m
2026-06-06 N5697E HUA → HUA Jun 6, 19:04 UTCJun 6, 20:00 UTC55m
2026-06-06 N5697E - Jun 6, 16:45 UTCJun 6, 17:44 UTC1h 0m
2026-06-06 N5697E HUA → HUA Jun 6, 14:34 UTCJun 6, 15:44 UTC1h 10m
2026-06-05 N5697E - Jun 5, 18:05 UTCJun 5, 19:10 UTC1h 5m
2026-06-05 N5697E - Jun 5, 00:00 UTCJun 5, 02:55 UTC2h 55m
2026-06-04 N5697E - Jun 4, 17:50 UTCJun 4, 18:50 UTC1h 0m
2026-06-04 N5697E - Jun 4, 15:15 UTCJun 4, 16:10 UTC55m
2026-06-03 N5697E HUA → HUA Jun 3, 23:20 UTCJun 4, 00:40 UTC1h 20m
2026-06-03 N5697E HUA → HUA Jun 3, 20:20 UTCJun 3, 21:15 UTC55m
2026-06-02 N5697E HUA → HUA Jun 2, 21:05 UTCJun 2, 22:50 UTC1h 45m
2026-06-02 N5697E - Jun 2, 16:20 UTCJun 2, 17:25 UTC1h 5m
2026-05-31 N5697E HUA → HUA May 31, 13:35 UTCMay 31, 14:30 UTC55m
2026-05-28 N5697E - May 28, 17:05 UTCMay 28, 17:15 UTC10m
2026-05-28 N5697E - May 28, 14:55 UTCMay 28, 15:50 UTC55m
2026-05-27 N5697E HUA → HUA May 27, 12:05 UTCMay 27, 13:25 UTC1h 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 N5697E page for operator, model, and routing details .

Mode-S A74BAB frequently asked

What is Mode-S code A74BAB?
A74BAB is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N5697E.
Where is Mode-S A74BAB registered?
Mode-S code A74BAB 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 A74BAB broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A74BAB, octal 51645653, decimal 10,963,883.
What flights does A74BAB operate?
Mode-S A74BAB has broadcast 1 distinct callsign, including N5697E.