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sensors Mode-S transponder

ABDD1C

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N86350 · EMBRAER ERJ-170-200 (long wing) · operated by UNITED AIRLINES INC

Hex
ABDD1C
Octal
52756434
Decimal
11,263,260
Country
US
Tail
N86350
Type
E75L
No current signal · last broadcast Jul 26, 22:40 UTC
Flights observed
549
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:40 UTC

Last known position

Most recent position reported by Mode-S ABDD1C.

Country allocation

The ICAO 24-bit address ABDD1C 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
ASH4041 - 13 2026-07-12
ASH4036 - 12 2026-07-18
ASH4076 - 11 2026-06-25
ASH4045 Mesa Airlines 11 2026-06-02
ASH6211 Mesa Airlines 10 2026-07-20
ASH6273 - 8 2026-07-17
ASH6214 - 8 2026-07-12
ASH6213 - 8 2026-07-12
ASH4013 - 8 2026-07-17
ASH4004 - 8 2026-07-01
ASH4003 - 8 2026-07-03
ASH3993 Mesa Airlines 8 2026-07-21
ASH4002 Mesa Airlines 7 2026-07-26
ASH6231 - 6 2026-07-14
ASH6167 - 6 2026-07-03
ASH6151 - 6 2026-07-09
ASH6118 - 6 2026-07-01
ASH4008 - 6 2026-07-13
ASH6309 Mesa Airlines 5 2026-07-26
ASH6223 Mesa Airlines 5 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ASH6233 MAF → IAH Jul 26, 21:55 UTCJul 26, 22:40 UTC45m
2026-07-26 ASH4002 IAH → OKC Jul 26, 19:05 UTCJul 26, 20:30 UTC1h 25m
2026-07-26 ASH4002 IAH → OKC Jul 26, 18:50 UTCJul 26, 20:29 UTC1h 39m
2026-07-26 ASH6309 JAX → IAH Jul 26, 16:15 UTCJul 26, 17:10 UTC55m
2026-07-26 ASH6309 JAX → IAH Jul 26, 16:27 UTCJul 26, 17:35 UTC1h 8m
2026-07-26 ASH6163 IND → IAH Jul 26, 13:25 UTCJul 26, 14:50 UTC1h 25m
2026-07-26 ASH4010 OKC → IAH Jul 26, 02:55 UTCJul 26, 04:05 UTC1h 10m
2026-07-25 ASH6310 SDF → IAH Jul 25, 19:50 UTCJul 25, 21:55 UTC2h 5m
2026-07-25 ASH6310 SDF → IAH Jul 25, 19:56 UTCJul 25, 21:52 UTC1h 56m
2026-07-25 ASH3980 ABQ → IAH Jul 25, 17:00 UTCJul 25, 18:15 UTC1h 15m
2026-07-25 ASH3988 IAD → SAV Jul 25, 15:00 UTCJul 25, 15:55 UTC55m
2026-07-25 ASH4002 IAH → OKC Jul 25, 12:35 UTCJul 25, 13:30 UTC55m
2026-07-22 ASH6362 DTW → IAD Jul 22, 04:00 UTCJul 22, 05:00 UTC1h 0m
2026-07-21 ASH3243 GRR → IAH Jul 21, 20:15 UTCJul 21, 21:00 UTC45m
2026-07-21 ASH3243 GRR → IAH Jul 21, 20:00 UTCJul 21, 20:54 UTC54m
2026-07-21 ASH6240 IAH → MEM Jul 21, 17:25 UTCJul 21, 18:35 UTC1h 10m
2026-07-21 ASH3993 IAH → ELP Jul 21, 14:55 UTCJul 21, 16:05 UTC1h 10m
2026-07-21 ASH4054 IAH → SAT Jul 21, 12:30 UTCJul 21, 13:25 UTC55m
2026-07-20 ASH6297 - Jul 20, 23:35 UTCJul 21, 00:45 UTC1h 10m
2026-07-20 ASH6211 LGA → IAD Jul 20, 20:00 UTCJul 20, 21:55 UTC1h 55m
2026-07-20 ASH6254 - Jul 20, 16:00 UTCJul 20, 18:10 UTC2h 10m
2026-07-20 ASH6149 IAH → MKE Jul 20, 12:30 UTCJul 20, 14:50 UTC2h 20m
2026-07-20 ASH6351 - Jul 20, 10:05 UTCJul 20, 11:05 UTC1h 0m
2026-07-20 ASH6276 - Jul 20, 03:15 UTCJul 20, 04:15 UTC1h 0m
2026-07-19 ASH6261 - Jul 19, 23:10 UTCJul 20, 01:15 UTC2h 5m
2026-07-19 ASH6164 - Jul 19, 19:30 UTCJul 19, 21:45 UTC2h 15m
2026-07-19 ASH6367 IAH → ELP Jul 19, 16:05 UTCJul 19, 18:00 UTC1h 55m
2026-07-19 ASH6312 - Jul 19, 12:45 UTCJul 19, 14:45 UTC2h 0m
2026-07-19 ASH4026 - Jul 19, 10:20 UTCJul 19, 11:00 UTC40m
2026-07-19 ASH6138 - Jul 19, 01:50 UTCJul 19, 02:30 UTC40m
2026-07-18 ASH4036 - Jul 18, 21:15 UTCJul 18, 23:35 UTC2h 20m
2026-07-18 ASH4036 GRR → IAH Jul 18, 21:23 UTCJul 18, 23:28 UTC2h 5m
2026-07-18 ASH6134 - Jul 18, 17:35 UTCJul 18, 19:55 UTC2h 20m
2026-07-18 ASH4042 TUL → IAH Jul 18, 13:55 UTCJul 18, 15:55 UTC2h 0m
2026-07-18 ASH4042 TUL → IAH Jul 18, 13:53 UTCJul 18, 15:55 UTC2h 2m
2026-07-18 ASH4040 IAH → CRP Jul 18, 01:20 UTCJul 18, 03:35 UTC2h 16m
2026-07-17 ASH4013 - Jul 17, 22:29 UTCJul 17, 23:50 UTC1h 20m
2026-07-17 ASH4013 BHM → IAH Jul 17, 22:26 UTCJul 17, 23:51 UTC1h 25m
2026-07-17 ASH6120 - Jul 17, 19:35 UTCJul 17, 20:55 UTC1h 20m
2026-07-17 ASH4065 - Jul 17, 15:49 UTCJul 17, 18:00 UTC2h 10m
2026-07-17 ASH4065 CMH → IAH Jul 17, 15:58 UTCJul 17, 17:56 UTC1h 58m
2026-07-17 ASH6271 - Jul 17, 12:30 UTCJul 17, 14:44 UTC2h 15m
2026-07-17 ASH4019 BHM → IAH Jul 17, 10:05 UTCJul 17, 10:55 UTC50m
2026-07-17 ASH6248 - Jul 17, 02:50 UTCJul 17, 02:59 UTC10m
2026-07-17 ASH6248 IAH → MFE Jul 17, 02:51 UTCJul 17, 03:40 UTC49m
2026-07-17 ASH6273 - Jul 17, 00:25 UTCJul 17, 01:20 UTC55m
2026-07-16 ASH6173 BDL → IAD Jul 16, 22:00 UTCJul 16, 22:45 UTC45m
2026-07-16 ASH4002 - Jul 16, 18:59 UTCJul 16, 20:35 UTC1h 35m
2026-07-16 ASH6309 - Jul 16, 16:00 UTCJul 16, 17:25 UTC1h 25m
2026-07-16 ASH6163 - Jul 16, 13:20 UTCJul 16, 14:40 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 N86350 page for operator, model, and routing details .

Mode-S ABDD1C frequently asked

What is Mode-S code ABDD1C?
ABDD1C is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N86350.
Where is Mode-S ABDD1C registered?
Mode-S code ABDD1C 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 ABDD1C broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABDD1C, octal 52756434, decimal 11,263,260.
What flights does ABDD1C operate?
Mode-S ABDD1C has broadcast 20 distinct callsigns, including ASH4041, ASH4036, ASH4076, ASH4045, ASH6211.