sensors Mode-S transponder
8990E1
ICAO 24-bit transponder address · allocated to Taiwan
Currently assigned to B-16719 · BOEING 777-300ER
- Hex
- 8990E1
- Octal
- 42310341
- Decimal
- 9,015,521
- Country
- TW
- Tail
- B-16719
- Type
- B77W
- Flights observed
- 118
- Distinct callsigns
- 18
- Country
- TW
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 8990E1 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 18 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| EVA052 | EVA Air | 16 | 2026-05-25 |
| EVA051 | EVA Air | 14 | 2026-05-26 |
| EVA036 | EVA Air | 13 | 2026-05-29 |
| EVA031 | EVA Air | 13 | 2026-05-21 |
| EVA035 | EVA Air | 11 | 2026-05-28 |
| EVA032 | EVA Air | 11 | 2026-05-20 |
| EVA392 | EVA Air | 9 | 2026-05-17 |
| EVA391 | EVA Air | 8 | 2026-05-27 |
| EVA398 | EVA Air | 7 | 2026-05-09 |
| EVA711 | EVA Air | 4 | 2026-05-29 |
| EVA712 | EVA Air | 3 | 2026-05-22 |
| UIA187 | Uni Air | 2 | 2026-05-22 |
| EVA005 | - | 2 | 2026-05-20 |
| UIA188 | Uni Air | 1 | 2026-05-22 |
| EVA397 | EVA Air | 1 | 2026-04-17 |
| EVA272 | EVA Air | 1 | 2026-05-23 |
| EVA271 | EVA Air | 1 | 2026-05-23 |
| EVA006 | - | 1 | 2026-05-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | EVA036 | TPE → YYZ | May 29, 13:15 UTC | May 30, 01:20 UTC | 12h 5m |
| 2026-05-29 | EVA036 | TPE → YYZ | May 29, 11:50 UTC | May 29, 12:00 UTC | 10m |
| 2026-05-29 | EVA711 | PVG → TPE | May 29, 02:25 UTC | May 29, 07:05 UTC | 4h 40m |
| 2026-05-28 | EVA035 | YYZ → TPE | May 28, 21:05 UTC | May 28, 21:40 UTC | 35m |
| 2026-05-28 | EVA035 | YYZ → TPE | May 28, 06:20 UTC | May 28, 19:50 UTC | 13h 30m |
| 2026-05-27 | EVA036 | TPE → YYZ | May 27, 13:45 UTC | May 28, 01:30 UTC | 11h 45m |
| 2026-05-27 | EVA036 | TPE → YYZ | May 27, 11:55 UTC | May 27, 12:10 UTC | 15m |
| 2026-05-27 | EVA391 | TPE → SGN | May 27, 02:04 UTC | May 27, 09:35 UTC | 7h 31m |
| 2026-05-26 | EVA051 | IAH → TPE | May 26, 07:05 UTC | May 26, 22:09 UTC | 15h 5m |
| 2026-05-25 | EVA052 | TPE → IAH | May 25, 16:00 UTC | May 26, 03:50 UTC | 11h 49m |
| 2026-05-25 | EVA052 | TPE → IAH | May 25, 14:05 UTC | May 25, 14:20 UTC | 15m |
| 2026-05-24 | EVA035 | YYZ → TPE | May 24, 19:55 UTC | May 24, 20:20 UTC | 25m |
| 2026-05-24 | EVA035 | YYZ → TPE | May 24, 06:10 UTC | May 24, 18:45 UTC | 12h 35m |
| 2026-05-23 | EVA036 | TPE → YYZ | May 23, 13:10 UTC | May 24, 01:10 UTC | 12h 1m |
| 2026-05-23 | EVA036 | TPE → YYZ | May 23, 11:40 UTC | May 23, 11:55 UTC | 15m |
| 2026-05-23 | EVA272 | MNL → TPE | May 23, 05:35 UTC | May 23, 07:20 UTC | 1h 45m |
| 2026-05-23 | EVA271 | TPE → MNL | May 23, 01:50 UTC | May 23, 03:35 UTC | 1h 45m |
| 2026-05-22 | UIA188 | SZX → TPE | May 22, 12:10 UTC | May 22, 13:35 UTC | 1h 25m |
| 2026-05-22 | UIA187 | TPE → SZX | May 22, 09:45 UTC | May 22, 10:05 UTC | 20m |
| 2026-05-22 | UIA187 | TPE → SZX | May 22, 08:40 UTC | May 22, 09:10 UTC | 30m |
| 2026-05-22 | EVA711 | PVG → TPE | May 22, 06:20 UTC | May 22, 06:40 UTC | 20m |
| 2026-05-22 | EVA712 | TPE → PVG | May 22, 02:05 UTC | May 22, 02:25 UTC | 20m |
| 2026-05-21 | EVA031 | JFK → TPE | May 21, 21:45 UTC | May 21, 22:05 UTC | 20m |
| 2026-05-21 | EVA031 | JFK → TPE | May 21, 06:15 UTC | May 21, 20:30 UTC | 14h 15m |
| 2026-05-20 | EVA032 | TPE → JFK | May 20, 13:30 UTC | May 21, 02:00 UTC | 12h 30m |
| 2026-05-20 | EVA032 | TPE → JFK | May 20, 11:40 UTC | May 20, 12:00 UTC | 20m |
| 2026-05-20 | EVA005 | - | May 20, 08:40 UTC | May 20, 09:05 UTC | 25m |
| 2026-05-19 | EVA005 | - | May 19, 19:25 UTC | May 20, 07:15 UTC | 11h 51m |
| 2026-05-19 | EVA006 | - | May 19, 02:30 UTC | May 19, 14:05 UTC | 11h 35m |
| 2026-05-18 | EVA051 | IAH → TPE | May 18, 06:45 UTC | May 18, 21:50 UTC | 15h 4m |
| 2026-05-17 | EVA052 | TPE → IAH | May 17, 13:55 UTC | May 18, 03:30 UTC | 13h 35m |
| 2026-05-17 | EVA392 | SGN → TPE | May 17, 01:55 UTC | May 17, 10:25 UTC | 8h 30m |
| 2026-05-16 | EVA035 | YYZ → TPE | May 16, 20:35 UTC | May 16, 21:00 UTC | 25m |
| 2026-05-16 | EVA035 | YYZ → TPE | May 16, 06:01 UTC | May 16, 19:20 UTC | 13h 20m |
| 2026-05-15 | EVA036 | TPE → YYZ | May 15, 12:00 UTC | May 16, 01:25 UTC | 13h 24m |
| 2026-05-15 | EVA392 | SGN → TPE | May 15, 01:45 UTC | May 15, 09:25 UTC | 7h 40m |
| 2026-05-14 | EVA392 | SGN → TPE | May 14, 01:45 UTC | May 14, 09:25 UTC | 7h 40m |
| 2026-05-13 | EVA051 | IAH → TPE | May 13, 06:40 UTC | May 13, 22:10 UTC | 15h 30m |
| 2026-05-12 | EVA052 | TPE → IAH | May 12, 13:45 UTC | May 13, 03:05 UTC | 13h 20m |
| 2026-05-11 | EVA391 | TPE → SGN | May 11, 01:45 UTC | May 11, 09:05 UTC | 7h 20m |
| 2026-05-10 | EVA051 | IAH → TPE | May 10, 06:50 UTC | May 10, 22:45 UTC | 15h 55m |
| 2026-05-09 | EVA052 | TPE → IAH | May 9, 15:30 UTC | May 10, 02:34 UTC | 11h 5m |
| 2026-05-09 | EVA052 | TPE → IAH | May 9, 13:45 UTC | May 9, 13:55 UTC | 10m |
| 2026-05-09 | EVA398 | HAN → TPE | May 9, 01:30 UTC | May 9, 07:50 UTC | 6h 20m |
| 2026-05-08 | EVA035 | YYZ → TPE | May 8, 06:04 UTC | May 8, 22:20 UTC | 16h 15m |
| 2026-05-07 | EVA036 | TPE → YYZ | May 7, 13:45 UTC | May 8, 01:24 UTC | 11h 40m |
| 2026-05-07 | EVA036 | TPE → YYZ | May 7, 11:55 UTC | May 7, 12:05 UTC | 10m |
| 2026-05-07 | EVA398 | HAN → TPE | May 7, 01:45 UTC | May 7, 08:00 UTC | 6h 15m |
| 2026-05-06 | EVA035 | YYZ → TPE | May 6, 06:35 UTC | May 6, 21:40 UTC | 15h 4m |
| 2026-05-05 | EVA036 | TPE → YYZ | May 5, 13:50 UTC | May 6, 01:25 UTC | 11h 35m |
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-16719 page for operator, model, and routing details .