Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

04005D

ICAO 24-bit transponder address · allocated to Ethiopia

Currently assigned to ET-APM · BOEING 737-800

Hex
04005D
Octal
01000135
Decimal
262,237
Country
ET
Tail
ET-APM
Type
B738
No current signal · last broadcast 9d ago
Flights observed
75
Distinct callsigns
20
Country
ET
Last broadcast
9d ago

Last known position

Most recent position reported by Mode-S 04005D.

Country allocation

The ICAO 24-bit address 04005D falls within the block assigned to Ethiopia (ET) by ICAO Annex 10, Volume III. Every aircraft registered in Ethiopia 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
SKK022 - 11 2026-07-12
SKK023 - 8 2026-07-13
SKK053 - 6 2026-07-07
SKK052 - 6 2026-07-06
SKK051 - 6 2026-07-15
SKK065 Skylink Aviation 5 2026-07-18
SKK050 - 5 2026-07-14
SKK068 - 4 2026-07-16
SKK069 - 3 2026-07-08
SKK034 - 3 2026-07-13
SKK081 Skylink Aviation 2 2026-07-19
SKK075 Skylink Aviation 2 2026-05-11
SKK055 - 2 2026-07-05
SKK054 - 2 2026-07-04
SKK035 - 2 2026-05-15
SKK080 Skylink Aviation 1 2026-07-18
SKK079 Skylink Aviation 1 2026-04-27
SKK078 - 1 2026-04-26
SKK074 Skylink Aviation 1 2026-05-10
SKK015 Skylink Aviation 1 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-19 SKK081 NKC → BJL Jul 19, 09:05 UTCJul 19, 09:35 UTC30m
2026-07-18 SKK081 NKC → BJL Jul 18, 17:45 UTCJul 19, 07:55 UTC14h 10m
2026-07-18 SKK080 LFW → BJL Jul 18, 10:35 UTCJul 18, 16:50 UTC6h 15m
2026-07-18 SKK065 NSI → LFW Jul 18, 08:50 UTCJul 18, 09:10 UTC20m
2026-07-16 SKK068 - Jul 16, 17:05 UTCJul 16, 17:30 UTC25m
2026-07-15 SKK051 - Jul 15, 09:35 UTCJul 15, 10:10 UTC35m
2026-07-14 SKK050 - Jul 14, 16:10 UTCJul 14, 16:55 UTC45m
2026-07-13 SKK034 - Jul 13, 16:30 UTCJul 14, 08:35 UTC16h 5m
2026-07-13 SKK023 - Jul 13, 06:25 UTCJul 13, 06:45 UTC20m
2026-07-12 SKK022 - Jul 12, 17:45 UTCJul 12, 18:10 UTC25m
2026-07-10 SKK023 - Jul 10, 06:30 UTCJul 10, 06:50 UTC20m
2026-07-09 SKK022 - Jul 9, 18:00 UTCJul 9, 18:30 UTC30m
2026-07-08 SKK069 - Jul 8, 07:35 UTCJul 8, 07:50 UTC15m
2026-07-07 SKK053 DSS → NSI Jul 7, 08:20 UTCJul 7, 17:40 UTC9h 20m
2026-07-07 SKK053 - Jul 7, 06:45 UTCJul 7, 07:15 UTC30m
2026-07-06 SKK052 - Jul 6, 17:05 UTCJul 6, 17:30 UTC25m
2026-07-06 SKK052 - Jul 6, 15:20 UTCJul 6, 16:00 UTC40m
2026-07-05 SKK055 - Jul 5, 09:05 UTCJul 5, 09:40 UTC35m
2026-07-05 SKK055 - Jul 5, 06:45 UTCJul 5, 07:35 UTC50m
2026-07-04 SKK054 - Jul 4, 17:30 UTCJul 4, 18:35 UTC1h 5m
2026-07-04 SKK054 - Jul 4, 15:25 UTCJul 4, 16:00 UTC35m
2026-07-02 SKK051 - Jul 2, 09:40 UTCJul 2, 10:15 UTC35m
2026-07-01 SKK050 - Jul 1, 18:10 UTCJul 1, 19:00 UTC50m
2026-06-29 SKK051 - Jun 29, 09:20 UTCJun 29, 10:00 UTC40m
2026-06-28 SKK050 - Jun 28, 16:09 UTCJun 28, 16:49 UTC40m
2026-06-27 SKK023 - Jun 27, 06:19 UTCJun 27, 06:44 UTC25m
2026-06-26 SKK022 - Jun 26, 17:44 UTCJun 26, 18:09 UTC25m
2026-06-23 SKK068 - Jun 23, 18:39 UTCJun 23, 19:10 UTC30m
2026-06-23 SKK023 - Jun 23, 06:15 UTCJun 23, 06:39 UTC25m
2026-06-22 SKK022 - Jun 22, 18:40 UTCJun 22, 19:00 UTC20m
2026-06-10 SKK051 DSS → COO Jun 10, 08:20 UTCJun 10, 08:55 UTC35m
2026-06-09 SKK050 LFW → DSS Jun 9, 20:10 UTCJun 9, 20:30 UTC20m
2026-06-06 SKK053 OXB → DSS Jun 6, 08:45 UTCJun 6, 09:24 UTC40m
2026-06-06 SKK053 OXB → DSS Jun 6, 07:05 UTCJun 6, 07:30 UTC25m
2026-06-05 SKK052 LFW → DSS Jun 5, 17:35 UTCJun 5, 18:05 UTC30m
2026-06-05 SKK052 LFW → DSS Jun 5, 15:40 UTCJun 5, 16:25 UTC45m
2026-06-04 SKK053 OXB → DSS Jun 4, 09:05 UTCJun 4, 09:35 UTC30m
2026-06-04 SKK053 OXB → DSS Jun 4, 06:45 UTCJun 4, 07:05 UTC20m
2026-06-03 SKK052 LFW → DSS Jun 3, 17:05 UTCJun 3, 17:30 UTC25m
2026-06-03 SKK052 LFW → DSS Jun 3, 15:20 UTCJun 3, 16:05 UTC45m
2026-06-01 SKK022 FNA → BJL Jun 1, 17:45 UTCJun 1, 17:55 UTC10m
2026-05-29 SKK051 DSS → COO May 29, 06:35 UTCMay 29, 07:15 UTC40m
2026-05-28 SKK050 LFW → DSS May 28, 17:15 UTCMay 28, 17:55 UTC40m
2026-05-26 SKK023 BJL → FNA May 26, 06:20 UTCMay 26, 06:29 UTC10m
2026-05-25 SKK022 FNA → BJL May 25, 18:40 UTCMay 25, 18:55 UTC15m
2026-05-20 SKK069 SSG → LFW May 20, 07:00 UTCMay 20, 07:25 UTC25m
2026-05-19 SKK068 - May 19, 17:40 UTCMay 19, 18:05 UTC25m
2026-05-18 SKK022 FNA → BJL May 18, 18:15 UTCMay 18, 18:40 UTC24m
2026-05-15 SKK035 - May 15, 16:35 UTCMay 16, 08:46 UTC16h 11m
2026-05-14 KK022 - May 14, 18:00 UTCMay 14, 18:10 UTC10m

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 ET-APM page for operator, model, and routing details .

Mode-S 04005D frequently asked

What is Mode-S code 04005D?
04005D is an ICAO 24-bit transponder address. Allocated to Ethiopia. Assigned to ET-APM.
Where is Mode-S 04005D registered?
Mode-S code 04005D is allocated to Ethiopia (ET). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 04005D broadcasting right now?
No active broadcast right now. Last signal was 9d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 04005D, octal 01000135, decimal 262,237.
What flights does 04005D operate?
Mode-S 04005D has broadcast 20 distinct callsigns, including SKK022, SKK023, SKK053, SKK052, SKK051.