Apparatus

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sensors Mode-S transponder

AD0022

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N937EV · BOMBARDIER Regional Jet CRJ-200 · operated by SKYWEST AIRLINES INC

Hex
AD0022
Octal
53200042
Decimal
11,337,762
Country
US
Tail
N937EV
Type
CRJ2
No current signal · last broadcast Jul 26, 21:35 UTC
Flights observed
676
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:35 UTC

Last known position

Most recent position reported by Mode-S AD0022.

Country allocation

The ICAO 24-bit address AD0022 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
SKW5320 - 12 2026-07-09
SKW5629 - 9 2026-06-18
SKW4674 - 8 2026-07-03
SKW5742 - 7 2026-07-03
SKW5134 SkyWest Airlines 7 2026-06-04
SKW5016 - 7 2026-07-19
SKW5981 - 6 2026-07-20
SKW5121 SkyWest Airlines 6 2026-06-11
SKW5027 - 6 2026-07-10
SKW5953 - 5 2026-07-21
SKW5346 SkyWest Airlines 5 2026-05-23
SKW5109 SkyWest Airlines 5 2026-07-26
SKW5053 SkyWest Airlines 5 2026-07-23
SKW5048 SkyWest Airlines 5 2026-05-30
SKW5043 SkyWest Airlines 5 2026-05-31
SKW4794 - 5 2026-07-09
SKW4644 - 5 2026-06-19
SKW792R SkyWest Airlines 4 2026-07-23
SKW6075 SkyWest Airlines 4 2026-05-10
SKW5891 SkyWest Airlines 4 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SKW5044 PBG → IAD Jul 26, 21:10 UTCJul 26, 21:35 UTC25m
2026-07-26 SKW591M IAH → AEX Jul 26, 19:30 UTCJul 26, 19:50 UTC20m
2026-07-26 SKW776F ABI → IAH Jul 26, 17:20 UTCJul 26, 18:20 UTC1h 0m
2026-07-26 SKW425P DEN → ATY Jul 26, 14:35 UTCJul 26, 15:50 UTC1h 15m
2026-07-26 SKW5109 ORD → EAU Jul 26, 12:00 UTCJul 26, 13:00 UTC1h 0m
2026-07-26 SKW513F DEN → SLN Jul 26, 02:50 UTCJul 26, 03:45 UTC55m
2026-07-25 SKW5081 DEN → JMS Jul 25, 23:40 UTCJul 26, 01:15 UTC1h 35m
2026-07-25 SKW5081 DEN → JMS Jul 25, 20:25 UTCJul 25, 21:55 UTC1h 30m
2026-07-25 SKW5096 DIK → DEN Jul 25, 15:15 UTCJul 25, 16:05 UTC50m
2026-07-25 SKW332T DEN → LBF Jul 25, 03:00 UTCJul 25, 03:40 UTC40m
2026-07-25 SKW332T DEN → LBF Jul 25, 02:57 UTCJul 25, 04:11 UTC1h 14m
2026-07-24 SKW5019 PIB → IAH Jul 24, 23:40 UTCJul 25, 00:55 UTC1h 15m
2026-07-24 SKW527Y DEN → ATY Jul 24, 20:40 UTCJul 24, 21:50 UTC1h 10m
2026-07-24 SKW5109 ORD → EAU Jul 24, 16:30 UTCJul 24, 17:40 UTC1h 10m
2026-07-24 SKW5109 ORD → EAU Jul 24, 16:13 UTCJul 24, 17:31 UTC1h 18m
2026-07-24 SKW455P - Jul 24, 14:45 UTCJul 24, 15:05 UTC20m
2026-07-24 SKW393X DEN → EAR Jul 24, 04:20 UTCJul 24, 06:05 UTC1h 45m
2026-07-24 SKW5084 PIR → DEN Jul 24, 01:10 UTCJul 24, 02:40 UTC1h 30m
2026-07-24 SKW5084 PIR → DEN Jul 24, 00:28 UTCJul 24, 02:37 UTC2h 9m
2026-07-23 SKW302C DEN → PIR Jul 23, 20:20 UTCJul 23, 21:15 UTC55m
2026-07-23 SKW5053 DVL → DEN Jul 23, 16:50 UTCJul 23, 18:10 UTC1h 20m
2026-07-23 SKW792R DEN → ROW Jul 23, 14:40 UTCJul 23, 15:50 UTC1h 10m
2026-07-23 SKW5130 - Jul 23, 11:45 UTCJul 23, 12:10 UTC25m
2026-07-23 SKW6088 ORD → BNA Jul 23, 02:20 UTCJul 23, 04:30 UTC2h 10m
2026-07-22 SKW768J DEN → LBF Jul 22, 23:10 UTCJul 23, 00:25 UTC1h 15m
2026-07-22 SKW422W ORD → DEC Jul 22, 19:15 UTCJul 22, 20:50 UTC1h 35m
2026-07-22 SKW5015 BFF → DEN Jul 22, 17:10 UTCJul 22, 18:25 UTC1h 15m
2026-07-22 SKW6055 IAH → VCT Jul 22, 14:20 UTCJul 22, 16:15 UTC1h 55m
2026-07-22 SKW6060 EAR → DEN Jul 22, 01:45 UTCJul 22, 03:05 UTC1h 20m
2026-07-21 SKW5916 HDN → IAH Jul 21, 23:05 UTCJul 22, 00:30 UTC1h 25m
2026-07-21 SKW5930 - Jul 21, 19:35 UTCJul 21, 21:05 UTC1h 30m
2026-07-21 SKW5930 ORD → FAR Jul 21, 19:35 UTCJul 21, 21:02 UTC1h 27m
2026-07-21 SKW5953 - Jul 21, 16:00 UTCJul 21, 16:25 UTC25m
2026-07-21 SKW5887 - Jul 21, 14:50 UTCJul 21, 15:10 UTC20m
2026-07-20 SKW6077 DVL → DEN Jul 20, 19:35 UTCJul 20, 20:30 UTC55m
2026-07-20 SKW546J - Jul 20, 17:30 UTCJul 20, 18:10 UTC40m
2026-07-20 SKW5981 - Jul 20, 15:15 UTCJul 20, 15:40 UTC25m
2026-07-19 SKW4630 BFL → SFO Jul 19, 21:10 UTCJul 19, 21:35 UTC25m
2026-07-19 SKW4630 BFL → SFO Jul 19, 21:12 UTCJul 19, 21:43 UTC31m
2026-07-19 SKW4752 ORD → ROA Jul 19, 19:45 UTCJul 19, 19:50 UTC5m
2026-07-19 SKW4752 ORD → ROA Jul 19, 18:40 UTCJul 19, 19:50 UTC1h 10m
2026-07-19 SKW4752 ORD → ROA Jul 19, 18:17 UTCJul 19, 19:30 UTC1h 13m
2026-07-19 SKW519Y - Jul 19, 16:10 UTCJul 19, 17:30 UTC1h 20m
2026-07-19 SKW5016 - Jul 19, 13:40 UTCJul 19, 14:35 UTC55m
2026-07-19 SKW5016 CMX → ORD Jul 19, 13:32 UTCJul 19, 14:20 UTC48m
2026-07-19 SKW5201 - Jul 19, 02:45 UTCJul 19, 03:25 UTC40m
2026-07-19 SKW5201 FAR → CMX Jul 19, 02:25 UTCJul 19, 03:41 UTC1h 16m
2026-07-18 SKW5930 - Jul 18, 19:40 UTCJul 18, 21:10 UTC1h 30m
2026-07-18 SKW4639 ATW → ORD Jul 18, 11:43 UTCJul 18, 12:00 UTC17m
2026-07-18 SKW4639 - Jul 18, 11:25 UTCJul 18, 12:15 UTC50m

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 N937EV page for operator, model, and routing details .

Mode-S AD0022 frequently asked

What is Mode-S code AD0022?
AD0022 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N937EV.
Where is Mode-S AD0022 registered?
Mode-S code AD0022 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 AD0022 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AD0022, octal 53200042, decimal 11,337,762.
What flights does AD0022 operate?
Mode-S AD0022 has broadcast 20 distinct callsigns, including SKW5320, SKW5629, SKW4674, SKW5742, SKW5134.