Apparatus

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sensors Mode-S transponder

A29D37

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N268FE · BOEING 767-300 · operated by FEDERAL EXPRESS CORP

Hex
A29D37
Octal
50516467
Decimal
10,657,079
Country
US
Tail
N268FE
Type
B763
No current signal · last broadcast 16h ago
Flights observed
209
Distinct callsigns
20
Country
US
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S A29D37.

Country allocation

The ICAO 24-bit address A29D37 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
FDX51 - 5 2026-06-26
FDX1874 - 5 2026-06-25
FDX1378 - 5 2026-07-14
FDX1212 - 5 2026-07-08
FDX3609 - 4 2026-06-18
FDX252 - 4 2026-06-26
FDX1460 - 4 2026-07-16
FDX1412 - 4 2026-07-07
FDX3711 - 3 2026-06-24
FDX1712 FedEx Express 3 2026-06-16
FDX1425 - 3 2026-07-17
FDX1416 - 3 2026-07-10
FDX1406 FedEx Express 3 2026-04-18
FDX1309 FedEx Express 3 2026-05-09
FDX1290 - 3 2026-06-26
FDX944 - 2 2026-06-23
FDX916 FedEx Express 2 2026-04-15
FDX722 - 2 2026-07-14
FDX653 FedEx Express 2 2026-05-31
FDX613 - 2 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 FDX1425 - Jul 17, 08:20 UTCJul 17, 09:20 UTC1h 0m
2026-07-17 FDX1425 MEM → IAH Jul 17, 08:15 UTCJul 17, 09:21 UTC1h 6m
2026-07-17 FDX2260 - Jul 17, 03:14 UTCJul 17, 04:25 UTC1h 10m
2026-07-16 FDX1460 - Jul 16, 09:05 UTCJul 16, 10:00 UTC55m
2026-07-16 FDX1460 MEM → CVG Jul 16, 08:59 UTCJul 16, 10:00 UTC1h 1m
2026-07-16 FDX1263 - Jul 16, 03:40 UTCJul 16, 04:25 UTC45m
2026-07-15 FDX327 - Jul 15, 20:35 UTCJul 15, 21:30 UTC55m
2026-07-15 FDX327 MEM → ATL Jul 15, 20:33 UTCJul 15, 21:25 UTC52m
2026-07-15 FDX450 - Jul 15, 12:25 UTCJul 15, 14:10 UTC1h 45m
2026-07-15 FDX450 PHL → PHL Jul 15, 12:10 UTCJul 15, 12:15 UTC5m
2026-07-15 FDX1439 - Jul 15, 08:40 UTCJul 15, 10:40 UTC2h 0m
2026-07-15 FDX2361 - Jul 15, 04:10 UTCJul 15, 04:55 UTC45m
2026-07-15 FDX2361 SDF → MEM Jul 15, 04:05 UTCJul 15, 04:59 UTC54m
2026-07-14 FDX722 - Jul 14, 23:00 UTCJul 14, 23:50 UTC50m
2026-07-14 FDX722 MEM → SDF Jul 14, 22:55 UTCJul 14, 23:50 UTC55m
2026-07-14 FDX258 - Jul 14, 09:05 UTCJul 14, 21:30 UTC12h 25m
2026-07-14 FDX1378 - Jul 14, 03:45 UTCJul 14, 04:55 UTC1h 10m
2026-07-14 FDX1378 AFW → MEM Jul 14, 03:45 UTCJul 14, 04:48 UTC1h 3m
2026-07-14 FDX1378 - Jul 14, 00:35 UTCJul 14, 01:55 UTC1h 20m
2026-07-10 FDX1416 - Jul 10, 11:15 UTCJul 10, 11:55 UTC40m
2026-07-10 FDX1416 - Jul 10, 08:50 UTCJul 10, 10:15 UTC1h 25m
2026-07-10 FDX1312 - Jul 10, 03:10 UTCJul 10, 04:40 UTC1h 30m
2026-07-09 FDX1416 - Jul 9, 09:15 UTCJul 9, 10:40 UTC1h 25m
2026-07-09 FDX139 - Jul 9, 01:30 UTCJul 9, 05:05 UTC3h 35m
2026-07-08 FDX142 - Jul 8, 09:25 UTCJul 8, 13:30 UTC4h 5m
2026-07-08 FDX1212 - Jul 8, 01:00 UTCJul 8, 03:30 UTC2h 30m
2026-07-07 FDX1412 - Jul 7, 08:40 UTCJul 7, 10:45 UTC2h 5m
2026-07-07 FDX1248 - Jul 7, 02:05 UTCJul 7, 03:20 UTC1h 15m
2026-07-05 FDX734 - Jul 5, 22:05 UTCJul 5, 23:25 UTC1h 20m
2026-07-04 FDX613 - Jul 4, 13:55 UTCJul 4, 15:20 UTC1h 25m
2026-07-04 FDX613 - Jul 4, 12:25 UTCJul 4, 13:00 UTC35m
2026-07-03 FDX1188 - Jul 3, 10:00 UTCJul 3, 10:25 UTC25m
2026-07-03 FDX1124 ATL → AFW Jul 3, 03:00 UTCJul 3, 04:40 UTC1h 40m
2026-07-02 FDX1463 - Jul 2, 09:10 UTCJul 2, 10:00 UTC50m
2026-07-02 FDX2260 - Jul 2, 03:10 UTCJul 2, 04:15 UTC1h 5m
2026-07-01 FDX1460 - Jul 1, 09:25 UTCJul 1, 10:20 UTC55m
2026-07-01 FDX1240 LAS → MEM Jul 1, 02:30 UTCJul 1, 05:15 UTC2h 45m
2026-06-30 FDX1440 - Jun 30, 10:00 UTCJun 30, 12:50 UTC2h 50m
2026-06-30 FDX1229 - Jun 30, 01:55 UTCJun 30, 05:15 UTC3h 20m
2026-06-27 FDX1429 - Jun 27, 08:39 UTCJun 27, 12:34 UTC3h 55m
2026-06-26 FDX252 - Jun 26, 14:15 UTCJun 26, 17:54 UTC3h 40m
2026-06-26 FDX252 SJU → MEM Jun 26, 14:14 UTCJun 26, 17:57 UTC3h 43m
2026-06-26 FDX51 - Jun 26, 08:50 UTCJun 26, 12:29 UTC3h 40m
2026-06-26 FDX1290 - Jun 26, 02:05 UTCJun 26, 05:10 UTC3h 5m
2026-06-26 FDX1290 RNO → MEM Jun 26, 02:00 UTCJun 26, 05:14 UTC3h 14m
2026-06-25 FDX1874 - Jun 25, 11:19 UTCJun 25, 12:10 UTC50m
2026-06-25 FDX1874 OAK → LAS Jun 25, 09:25 UTCJun 25, 10:20 UTC55m
2026-06-25 FDX1837 PHX → OAK Jun 25, 03:50 UTCJun 25, 05:20 UTC1h 30m
2026-06-24 FDX3711 - Jun 24, 20:35 UTCJun 24, 23:50 UTC3h 15m
2026-06-24 FDX3604 PDX → IND Jun 24, 13:44 UTCJun 24, 17:14 UTC3h 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 N268FE page for operator, model, and routing details .

Mode-S A29D37 frequently asked

What is Mode-S code A29D37?
A29D37 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N268FE.
Where is Mode-S A29D37 registered?
Mode-S code A29D37 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 A29D37 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A29D37, octal 50516467, decimal 10,657,079.
What flights does A29D37 operate?
Mode-S A29D37 has broadcast 20 distinct callsigns, including FDX51, FDX1874, FDX1378, FDX1212, FDX3609.