Apparatus

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sensors Mode-S transponder

8990DF

ICAO 24-bit transponder address · allocated to Taiwan

Currently assigned to B-16717 · BOEING 777-300ER

Hex
8990DF
Octal
42310337
Decimal
9,015,519
Country
TW
Tail
B-16717
Type
B77W
No current signal · last broadcast Jul 26, 19:05 UTC
Flights observed
232
Distinct callsigns
20
Country
TW
Last broadcast
Jul 26, 19:05 UTC

Last known position

Most recent position reported by Mode-S 8990DF.

Country allocation

The ICAO 24-bit address 8990DF falls within the block assigned to Taiwan (TW) by ICAO Annex 10, Volume III. Every aircraft registered in Taiwan 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
EVA015 EVA Air 24 2026-07-25
EVA016 EVA Air 21 2026-07-26
EVA027 EVA Air 16 2026-07-23
EVA011 EVA Air 16 2026-07-21
EVA012 - 14 2026-07-20
EVA028 EVA Air 13 2026-07-22
EVA228 - 12 2026-07-09
EVA227 - 12 2026-07-09
EVA215 EVA Air 11 2026-07-26
EVA216 EVA Air 8 2026-07-26
EVA075 - 8 2026-07-18
EVA211 - 7 2026-07-12
EVA212 - 6 2026-07-12
EVA076 EVA Air 6 2026-07-19
EVA006 - 6 2026-07-05
EVA005 - 6 2026-07-05
EVA869 EVA Air 5 2026-05-04
EVA870 EVA Air 4 2026-05-04
UIA188 - 3 2026-06-28
EVA262 EVA Air 3 2026-04-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EVA016 TPE → LAX Jul 26, 16:10 UTCJul 26, 19:05 UTC2h 55m
2026-07-26 EVA216 SIN → TPE Jul 26, 10:50 UTCJul 26, 11:55 UTC1h 5m
2026-07-26 EVA215 TPE → SIN Jul 26, 02:10 UTCJul 26, 05:55 UTC3h 45m
2026-07-25 EVA015 LAX → TPE Jul 25, 08:45 UTCJul 25, 21:20 UTC12h 35m
2026-07-24 EVA016 TPE → LAX Jul 24, 18:10 UTCJul 25, 05:55 UTC11h 45m
2026-07-23 EVA027 SFO → TPE Jul 23, 19:55 UTCJul 23, 20:15 UTC20m
2026-07-23 EVA027 SFO → TPE Jul 23, 08:30 UTCJul 23, 18:40 UTC10h 10m
2026-07-22 EVA028 TPE → SFO Jul 22, 16:05 UTCJul 23, 03:45 UTC11h 40m
2026-07-22 EVA215 TPE → SIN Jul 22, 01:55 UTCJul 22, 12:05 UTC10h 10m
2026-07-21 EVA011 LAX → TPE Jul 21, 20:10 UTCJul 21, 20:25 UTC15m
2026-07-21 EVA011 LAX → TPE Jul 21, 08:05 UTCJul 21, 18:50 UTC10h 45m
2026-07-20 EVA012 - Jul 20, 13:50 UTCJul 21, 00:30 UTC10h 40m
2026-07-20 EVA012 - Jul 20, 12:15 UTCJul 20, 12:30 UTC15m
2026-07-19 EVA076 AMS → BKK Jul 19, 08:40 UTCJul 19, 11:55 UTC3h 15m
2026-07-18 EVA076 AMS → BKK Jul 18, 20:10 UTCJul 19, 06:55 UTC10h 45m
2026-07-18 EVA075 TPE → AMS Jul 18, 05:35 UTCJul 18, 16:50 UTC11h 15m
2026-07-18 EVA075 TPE → AMS Jul 18, 02:55 UTCJul 18, 03:20 UTC25m
2026-07-18 EVA075 - Jul 18, 00:19 UTCJul 18, 01:10 UTC50m
2026-07-17 EVA076 AMS → BKK Jul 17, 08:54 UTCJul 17, 12:15 UTC3h 20m
2026-07-16 EVA076 AMS → BKK Jul 16, 20:05 UTCJul 17, 07:00 UTC10h 55m
2026-07-16 EVA075 - Jul 16, 05:35 UTCJul 16, 17:00 UTC11h 25m
2026-07-16 EVA075 - Jul 16, 03:25 UTCJul 16, 03:40 UTC15m
2026-07-16 EVA075 - Jul 16, 00:40 UTCJul 16, 01:30 UTC50m
2026-07-15 EVA011 - Jul 15, 20:25 UTCJul 15, 20:40 UTC15m
2026-07-15 EVA011 - Jul 15, 08:15 UTCJul 15, 19:10 UTC10h 55m
2026-07-14 EVA012 TPE → LAX Jul 14, 12:30 UTCJul 15, 00:45 UTC12h 14m
2026-07-13 EVA035 YYZ → TPE Jul 13, 06:10 UTCJul 13, 20:35 UTC14h 25m
2026-07-12 EVA036 - Jul 12, 13:35 UTCJul 13, 01:35 UTC12h 0m
2026-07-12 EVA036 - Jul 12, 12:01 UTCJul 12, 12:20 UTC20m
2026-07-12 EVA212 - Jul 12, 06:10 UTCJul 12, 09:35 UTC3h 25m
2026-07-12 EVA211 - Jul 12, 03:55 UTCJul 12, 04:10 UTC15m
2026-07-12 EVA211 - Jul 12, 01:00 UTCJul 12, 01:25 UTC25m
2026-07-10 EVA197 - Jul 10, 08:35 UTCJul 10, 09:00 UTC25m
2026-07-10 EVA197 - Jul 10, 06:05 UTCJul 10, 07:20 UTC1h 15m
2026-07-10 EVA198 - Jul 10, 01:40 UTCJul 10, 04:20 UTC2h 40m
2026-07-09 EVA228 - Jul 9, 08:30 UTCJul 9, 12:55 UTC4h 25m
2026-07-09 EVA227 - Jul 9, 02:30 UTCJul 9, 06:40 UTC4h 10m
2026-07-08 EVA027 - Jul 8, 08:20 UTCJul 8, 20:35 UTC12h 15m
2026-07-07 EVA028 - Jul 7, 16:40 UTCJul 8, 03:15 UTC10h 35m
2026-07-07 EVA028 - Jul 7, 15:55 UTCJul 7, 16:10 UTC15m
2026-07-07 EVA216 - Jul 7, 07:40 UTCJul 7, 11:50 UTC4h 10m
2026-07-07 EVA215 - Jul 7, 05:15 UTCJul 7, 05:25 UTC10m
2026-07-07 EVA215 - Jul 7, 01:40 UTCJul 7, 02:40 UTC1h 0m
2026-07-05 EVA005 - Jul 5, 19:50 UTCJul 6, 08:55 UTC13h 5m
2026-07-05 EVA006 - Jul 5, 02:30 UTCJul 5, 14:15 UTC11h 45m
2026-07-04 EVA015 - Jul 4, 21:25 UTCJul 4, 21:40 UTC15m
2026-07-04 EVA015 - Jul 4, 08:45 UTCJul 4, 20:00 UTC11h 15m
2026-07-03 EVA016 - Jul 3, 16:40 UTCJul 4, 04:20 UTC11h 40m
2026-07-03 EVA278 - Jul 3, 11:55 UTCJul 3, 13:35 UTC1h 40m
2026-07-03 EVA277 TPE → MNL Jul 3, 07:55 UTCJul 3, 09:50 UTC1h 55m

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 B-16717 page for operator, model, and routing details .

Mode-S 8990DF frequently asked

What is Mode-S code 8990DF?
8990DF is an ICAO 24-bit transponder address. Allocated to Taiwan. Assigned to B-16717.
Where is Mode-S 8990DF registered?
Mode-S code 8990DF is allocated to Taiwan (TW). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8990DF broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8990DF, octal 42310337, decimal 9,015,519.
What flights does 8990DF operate?
Mode-S 8990DF has broadcast 20 distinct callsigns, including EVA015, EVA016, EVA027, EVA011, EVA012.