Apparatus

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sensors Mode-S transponder

A2270F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N238JQ · EMBRAER ERJ-170-200 (long wing) · operated by DELTA AIR LINES INC

Hex
A2270F
Octal
50423417
Decimal
10,626,831
Country
US
Tail
N238JQ
Type
E75L
No current signal · last broadcast 6h ago
Flights observed
604
Distinct callsigns
20
Country
US
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S A2270F.

Country allocation

The ICAO 24-bit address A2270F 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
RPA5622 - 12 2026-06-20
RPA5843 - 10 2026-06-18
RPA5805 - 10 2026-07-07
RPA5644 Republic Airlines 9 2026-06-12
RPA5829 - 8 2026-07-08
RPA5824 - 8 2026-07-13
RPA5701 Republic Airlines 8 2026-05-05
RPA5787 Republic Airlines 7 2026-05-14
RPA5724 Republic Airlines 7 2026-05-23
RPA5689 Republic Airlines 7 2026-05-23
RPA5601 Republic Airlines 7 2026-05-24
RPA5591 Republic Airlines 7 2026-06-06
RPA5815 Republic Airlines 6 2026-05-14
RPA5748 - 6 2026-06-29
RPA5718 Republic Airlines 6 2026-05-01
RPA5711 - 6 2026-07-05
RPA5687 Republic Airlines 6 2026-05-26
RPA5673 Republic Airlines 6 2026-05-14
RPA5671 - 6 2026-07-10
RPA5667 Republic Airlines 6 2026-05-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 RPA5620 - Jul 14, 00:35 UTCJul 14, 02:25 UTC1h 50m
2026-07-13 RPA5620 - Jul 13, 21:40 UTCJul 13, 23:35 UTC1h 55m
2026-07-13 RPA5595 - Jul 13, 19:05 UTCJul 13, 19:50 UTC45m
2026-07-13 RPA5595 JFK → BOS Jul 13, 19:05 UTCJul 13, 19:49 UTC44m
2026-07-13 RPA5823 - Jul 13, 16:40 UTCJul 13, 17:15 UTC35m
2026-07-13 RPA5823 - Jul 13, 16:05 UTCJul 13, 16:35 UTC30m
2026-07-13 RPA5754 - Jul 13, 14:20 UTCJul 13, 14:55 UTC35m
2026-07-13 RPA5754 DTW → PIT Jul 13, 14:18 UTCJul 13, 14:56 UTC38m
2026-07-13 RPA5824 - Jul 13, 12:05 UTCJul 13, 13:00 UTC55m
2026-07-13 RPA5824 SDF → DTW Jul 13, 12:01 UTCJul 13, 12:55 UTC54m
2026-07-12 RPA5636 LGA → SDF Jul 12, 22:35 UTCJul 13, 00:15 UTC1h 40m
2026-07-12 RPA5726 BOS → LGA Jul 12, 20:15 UTCJul 12, 20:55 UTC40m
2026-07-12 RPA5739 LGA → BOS Jul 12, 18:10 UTCJul 12, 18:45 UTC35m
2026-07-12 RPA5854 BOS → LGA Jul 12, 16:10 UTCJul 12, 16:55 UTC45m
2026-07-12 RPA5733 JFK → BOS Jul 12, 14:10 UTCJul 12, 14:45 UTC35m
2026-07-12 RPA5733 JFK → BOS Jul 12, 14:07 UTCJul 12, 14:45 UTC38m
2026-07-12 RPA5677 - Jul 12, 11:40 UTCJul 12, 12:40 UTC1h 0m
2026-07-12 RPA5795 - Jul 12, 01:45 UTCJul 12, 02:40 UTC55m
2026-07-11 RPA5713 DCA → JFK Jul 11, 22:50 UTCJul 11, 23:40 UTC50m
2026-07-11 RPA5769 BNA → DCA Jul 11, 18:30 UTCJul 11, 19:55 UTC1h 25m
2026-07-11 RPA5842 BOS → BNA Jul 11, 14:15 UTCJul 11, 16:30 UTC2h 15m
2026-07-11 RPA5663 - Jul 11, 10:25 UTCJul 11, 11:50 UTC1h 25m
2026-07-10 RPA5654 BOS → CMH Jul 10, 19:32 UTCJul 10, 22:03 UTC2h 31m
2026-07-10 RPA5654 BOS → CMH Jul 10, 19:35 UTCJul 10, 22:00 UTC2h 25m
2026-07-10 RPA5654 - Jul 10, 16:40 UTCJul 10, 18:05 UTC1h 25m
2026-07-10 RPA5671 LGA → CMH Jul 10, 10:30 UTCJul 10, 11:45 UTC1h 15m
2026-07-10 RPA5671 LGA → CMH Jul 10, 10:27 UTCJul 10, 11:41 UTC1h 14m
2026-07-09 RPA5723 - Jul 9, 20:10 UTCJul 9, 22:05 UTC1h 55m
2026-07-09 RPA5723 MKE → LGA Jul 9, 20:09 UTCJul 9, 22:11 UTC2h 2m
2026-07-09 RPA5723 - Jul 9, 15:30 UTCJul 9, 17:10 UTC1h 40m
2026-07-09 RPA5660 - Jul 9, 12:25 UTCJul 9, 14:15 UTC1h 50m
2026-07-08 RPA5616 BOS → IND Jul 8, 22:15 UTCJul 9, 00:10 UTC1h 55m
2026-07-08 RPA5616 BOS → IND Jul 8, 22:11 UTCJul 9, 00:08 UTC1h 57m
2026-07-08 RPA5829 - Jul 8, 20:45 UTCJul 8, 21:20 UTC35m
2026-07-08 RPA5829 EWR → BOS Jul 8, 20:41 UTCJul 8, 21:20 UTC39m
2026-07-08 RPA5829 BOS → EWR Jul 8, 19:00 UTCJul 8, 19:45 UTC45m
2026-07-08 RPA5626 CMH → LGA Jul 8, 14:10 UTCJul 8, 15:45 UTC1h 35m
2026-07-08 RPA5626 CMH → LGA Jul 8, 14:06 UTCJul 8, 15:48 UTC1h 42m
2026-07-08 RPA5626 CMH → LGA Jul 8, 10:50 UTCJul 8, 12:35 UTC1h 45m
2026-07-08 RPA5657 - Jul 8, 02:15 UTCJul 8, 04:35 UTC2h 20m
2026-07-07 RPA5657 - Jul 7, 21:50 UTCJul 8, 00:10 UTC2h 20m
2026-07-07 RPA5657 BOS → BNH Jul 7, 20:40 UTCJul 7, 20:45 UTC5m
2026-07-07 RPA5805 PHL → BOS Jul 7, 18:35 UTCJul 7, 19:35 UTC1h 0m
2026-07-07 RPA5805 BOS → PHL Jul 7, 15:05 UTCJul 7, 16:05 UTC1h 0m
2026-07-07 RPA5604 - Jul 7, 11:35 UTCJul 7, 13:55 UTC2h 20m
2026-07-07 RPA5594 - Jul 7, 02:35 UTCJul 7, 05:15 UTC2h 40m
2026-07-07 RPA5594 BOS → BOS Jul 7, 02:25 UTCJul 7, 02:30 UTC5m
2026-07-07 RPA5594 BOS → MEM Jul 7, 02:34 UTCJul 7, 05:16 UTC2h 42m
2026-07-07 RPA5746 LGA → BOS Jul 7, 00:57 UTCJul 7, 01:31 UTC34m
2026-07-07 RPA5746 LGA → BOS Jul 7, 01:00 UTCJul 7, 01:35 UTC35m

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 N238JQ page for operator, model, and routing details .

Mode-S A2270F frequently asked

What is Mode-S code A2270F?
A2270F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N238JQ.
Where is Mode-S A2270F registered?
Mode-S code A2270F 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 A2270F broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2270F, octal 50423417, decimal 10,626,831.
What flights does A2270F operate?
Mode-S A2270F has broadcast 20 distinct callsigns, including RPA5622, RPA5843, RPA5805, RPA5644, RPA5829.