sensors Mode-S transponder

A8E9FD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N67350 · operated by UNITED AIRLINES INC

Hex
A8E9FD
Octal
52164775
Decimal
11,069,949
Country
US
Tail
N67350
Type
B38M
No current signal · last broadcast Jul 26, 19:50 UTC
Flights observed
456
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:50 UTC

Last known position

Most recent position reported by Mode-S A8E9FD.

Country allocation

The ICAO 24-bit address A8E9FD 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
UAL1137 United Airlines 9 2026-07-26
UAL1901 United Airlines 8 2026-07-26
UAL369 - 6 2026-06-27
UAL643 - 5 2026-06-29
UAL450 - 5 2026-07-15
UAL2386 - 5 2026-06-26
UAL418 United Airlines 4 2026-07-26
UAL417 United Airlines 4 2026-07-25
UAL269 - 4 2026-07-15
UAL2663 United Airlines 4 2026-05-14
UAL2426 - 4 2026-06-18
UAL2423 United Airlines 4 2026-06-18
UAL209 - 4 2026-07-15
UAL1750 United Airlines 4 2026-06-08
UAL1726 United Airlines 4 2026-06-06
UAL1378 United Airlines 4 2026-05-14
UAL1172 - 4 2026-06-22
UAL1004 - 4 2026-07-12
UAL2412 United Airlines 3 2026-05-14
UAL2399 United Airlines 3 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 UAL2399 MCO → IAH Jul 26, 17:15 UTCJul 26, 19:50 UTC2h 35m
2026-07-26 UAL1901 GUA → IAH Jul 26, 13:25 UTCJul 26, 14:50 UTC1h 25m
2026-07-26 UAL1901 GUA → IAH Jul 26, 12:35 UTCJul 26, 12:40 UTC5m
2026-07-26 UAL1137 LAX → GUA Jul 26, 06:25 UTCJul 26, 07:05 UTC41m
2026-07-26 UAL1137 LAX → GUA Jul 26, 06:11 UTCJul 26, 10:54 UTC4h 43m
2026-07-26 UAL418 SAN → SFO Jul 26, 02:45 UTCJul 26, 03:50 UTC1h 5m
2026-07-25 UAL418 SAN → SFO Jul 25, 23:23 UTCJul 26, 03:46 UTC4h 23m
2026-07-25 UAL417 LAX → OGG Jul 25, 21:30 UTCJul 25, 21:40 UTC10m
2026-07-25 UAL417 LAX → OGG Jul 25, 16:35 UTCJul 25, 17:10 UTC35m
2026-07-25 UAL417 LAX → OGG Jul 25, 16:26 UTCJul 25, 21:40 UTC5h 14m
2026-07-25 UAL2096 LAX → EWR Jul 25, 13:15 UTCJul 25, 14:25 UTC1h 10m
2026-07-25 UAL2238 IAH → SFO Jul 25, 04:25 UTCJul 25, 05:20 UTC55m
2026-07-24 UAL1349 RSW → IAD Jul 24, 22:10 UTCJul 25, 02:40 UTC4h 30m
2026-07-24 UAL2039 LAX → ORD Jul 24, 16:20 UTCJul 24, 20:25 UTC4h 5m
2026-07-24 UAL2096 LAX → EWR Jul 24, 13:10 UTCJul 24, 14:15 UTC1h 5m
2026-07-24 UAL2238 IAH → SFO Jul 24, 04:55 UTCJul 24, 05:50 UTC55m
2026-07-23 UAL1349 RSW → IAD Jul 23, 22:05 UTCJul 24, 02:40 UTC4h 35m
2026-07-23 UAL2039 LAX → ORD Jul 23, 16:15 UTCJul 23, 20:25 UTC4h 10m
2026-07-23 UAL1612 IAH → BOS Jul 23, 08:13 UTCJul 23, 12:52 UTC4h 39m
2026-07-23 UAL1104 SJC → DEN Jul 23, 00:35 UTCJul 23, 05:55 UTC5h 20m
2026-07-23 UAL1104 SJC → DEN Jul 23, 00:31 UTCJul 23, 06:04 UTC5h 33m
2026-07-22 UAL1348 IAD → RDU Jul 22, 15:55 UTCJul 22, 18:10 UTC2h 15m
2026-07-21 UAL2279 SFO → SEA Jul 21, 23:50 UTCJul 22, 01:15 UTC1h 25m
2026-07-21 UAL1958 RDU → EWR Jul 21, 20:35 UTCJul 21, 21:30 UTC55m
2026-07-21 UAL1124 - Jul 21, 02:50 UTCJul 21, 03:15 UTC25m
2026-07-20 UAL1230 YVR → SFO Jul 20, 22:50 UTCJul 21, 00:50 UTC2h 0m
2026-07-20 UAL1134 EWR → CUN Jul 20, 15:15 UTCJul 20, 20:50 UTC5h 35m
2026-07-20 UAL2455 EWR → ATL Jul 20, 10:15 UTCJul 20, 12:30 UTC2h 15m
2026-07-20 UAL1845 EWR → RSW Jul 20, 02:28 UTCJul 20, 05:35 UTC3h 7m
2026-07-20 UAL1845 EWR → RSW Jul 20, 03:15 UTCJul 20, 05:40 UTC2h 25m
2026-07-19 UAL2677 CLE → DEN Jul 19, 16:45 UTCJul 19, 21:30 UTC4h 45m
2026-07-19 UAL2646 DEN → SJC Jul 19, 10:50 UTCJul 19, 15:20 UTC4h 30m
2026-07-18 UAL648 EWR → SFO Jul 18, 11:05 UTCJul 18, 12:55 UTC1h 50m
2026-07-18 UAL1527 EWR → STL Jul 18, 02:45 UTCJul 18, 05:04 UTC2h 19m
2026-07-18 UAL1527 - Jul 18, 03:05 UTCJul 18, 05:05 UTC2h 0m
2026-07-17 UAL1560 SJO → EWR Jul 17, 19:05 UTCJul 18, 00:04 UTC5h 0m
2026-07-17 UAL1560 SJO → EWR Jul 17, 19:02 UTCJul 18, 00:05 UTC5h 3m
2026-07-17 UAL1080 EWR → SJO Jul 17, 12:35 UTCJul 17, 17:09 UTC4h 35m
2026-07-17 UAL1681 LAS → EWR Jul 17, 06:15 UTCJul 17, 10:40 UTC4h 25m
2026-07-17 UAL1681 LAS → EWR Jul 17, 05:55 UTCJul 17, 10:35 UTC4h 40m
2026-07-16 UAL1149 EWR → LAS Jul 16, 22:49 UTCJul 17, 03:30 UTC4h 40m
2026-07-16 UAL1611 - Jul 16, 17:05 UTCJul 16, 19:30 UTC2h 25m
2026-07-16 UAL2444 - Jul 16, 12:49 UTCJul 16, 15:05 UTC2h 15m
2026-07-16 UAL363 - Jul 16, 04:53 UTCJul 16, 11:26 UTC6h 33m
2026-07-16 UAL363 - Jul 16, 04:45 UTCJul 16, 07:05 UTC2h 20m
2026-07-15 UAL450 EWR → ANC Jul 15, 19:50 UTCJul 16, 03:25 UTC7h 35m
2026-07-15 UAL269 - Jul 15, 15:15 UTCJul 15, 17:40 UTC2h 25m
2026-07-15 UAL269 - Jul 15, 12:35 UTCJul 15, 12:45 UTC10m
2026-07-15 UAL209 - Jul 15, 05:20 UTCJul 15, 09:50 UTC4h 30m
2026-07-15 UAL209 IAH → BOG Jul 15, 05:16 UTCJul 15, 09:47 UTC4h 31m

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 N67350 page for operator, model, and routing details .

Mode-S A8E9FD frequently asked

What is Mode-S code A8E9FD?
A8E9FD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N67350.
Where is Mode-S A8E9FD registered?
Mode-S code A8E9FD 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 A8E9FD broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8E9FD, octal 52164775, decimal 11,069,949.
What flights does A8E9FD operate?
Mode-S A8E9FD has broadcast 20 distinct callsigns, including UAL1137, UAL1901, UAL369, UAL643, UAL450.