Not currently tracked · last seen 1d ago
- Flights observed
- 40
- Avg flight time
- 34m
- Typical route
- DWH → DWH
- Last seen
- 1d ago
Last known area
Recent flights last 40
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-13 | DWH → DWH | Jul 13, 15:30 UTC | Jul 13, 16:00 UTC | 30m |
| 2026-07-11 | - | Jul 11, 01:05 UTC | Jul 11, 01:30 UTC | 25m |
| 2026-07-10 | - | Jul 10, 15:20 UTC | Jul 10, 16:00 UTC | 40m |
| 2026-07-09 | - | Jul 9, 22:05 UTC | Jul 9, 23:30 UTC | 1h 25m |
| 2026-07-09 | - | Jul 9, 13:10 UTC | Jul 9, 13:55 UTC | 45m |
| 2026-07-09 | - | Jul 9, 00:40 UTC | Jul 9, 01:20 UTC | 40m |
| 2026-07-08 | - | Jul 8, 19:30 UTC | Jul 8, 21:15 UTC | 1h 45m |
| 2026-07-07 | - | Jul 7, 16:15 UTC | Jul 7, 17:00 UTC | 45m |
| 2026-07-06 | - | Jul 6, 21:25 UTC | Jul 6, 21:50 UTC | 25m |
| 2026-07-06 | - | Jul 6, 14:55 UTC | Jul 6, 15:20 UTC | 25m |
| 2026-07-02 | - | Jul 2, 14:55 UTC | Jul 2, 15:30 UTC | 35m |
| 2026-07-01 | - | Jul 1, 17:00 UTC | Jul 1, 17:20 UTC | 20m |
| 2026-06-30 | - | Jun 30, 20:25 UTC | Jun 30, 20:40 UTC | 15m |
| 2026-06-30 | - | Jun 30, 13:05 UTC | Jun 30, 14:20 UTC | 1h 15m |
| 2026-06-29 | - | Jun 29, 17:55 UTC | Jun 29, 18:44 UTC | 50m |
| 2026-06-26 | - | Jun 26, 13:59 UTC | Jun 26, 14:55 UTC | 55m |
| 2026-06-25 | - | Jun 25, 18:59 UTC | Jun 25, 19:15 UTC | 15m |
| 2026-06-24 | - | Jun 24, 17:45 UTC | Jun 24, 18:29 UTC | 45m |
| 2026-06-23 | - | Jun 23, 14:10 UTC | Jun 23, 14:55 UTC | 45m |
| 2026-06-18 | - | Jun 18, 18:55 UTC | Jun 18, 19:35 UTC | 40m |
| 2026-06-03 | - | Jun 3, 17:55 UTC | Jun 3, 18:35 UTC | 40m |
| 2026-06-03 | - | Jun 3, 16:30 UTC | Jun 3, 17:00 UTC | 30m |
| 2026-06-03 | - | Jun 3, 15:05 UTC | Jun 3, 15:25 UTC | 20m |
| 2026-05-14 | - | May 14, 12:45 UTC | May 14, 12:55 UTC | 10m |
| 2026-05-12 | - | May 12, 18:40 UTC | May 12, 19:05 UTC | 25m |
| 2026-05-12 | - | May 12, 14:40 UTC | May 12, 14:50 UTC | 10m |
| 2026-05-08 | - | May 8, 16:10 UTC | May 8, 16:30 UTC | 20m |
| 2026-05-08 | DWH → DWH | May 8, 15:10 UTC | May 8, 15:20 UTC | 10m |
| 2026-05-07 | - | May 7, 16:35 UTC | May 7, 17:20 UTC | 45m |
| 2026-05-04 | - | May 4, 14:45 UTC | May 4, 15:10 UTC | 25m |
| 2026-05-03 | - | May 3, 01:15 UTC | May 3, 01:30 UTC | 15m |
| 2026-05-03 | - | May 3, 00:20 UTC | May 3, 00:40 UTC | 20m |
| 2026-04-30 | - | Apr 30, 23:30 UTC | May 1, 00:20 UTC | 50m |
| 2026-04-30 | - | Apr 30, 18:50 UTC | Apr 30, 19:40 UTC | 50m |
| 2026-04-29 | - | Apr 29, 18:25 UTC | Apr 29, 18:55 UTC | 30m |
| 2026-04-29 | - | Apr 29, 16:50 UTC | Apr 29, 17:40 UTC | 50m |
| 2026-04-28 | - | Apr 28, 19:40 UTC | Apr 28, 19:55 UTC | 15m |
| 2026-04-14 | - | Apr 14, 13:45 UTC | Apr 14, 13:55 UTC | 10m |
| 2026-04-13 | - | Apr 13, 16:25 UTC | Apr 13, 16:40 UTC | 15m |
| 2026-04-13 | - | Apr 13, 14:55 UTC | Apr 13, 15:05 UTC | 10m |
Specifications
| Registration | N556SD |
| Operator | HARRIS COUNTY SHERIFF'S OFFICE |
| Mode-S code | A71749 · 51613511 (octal) |
Looking for transponder-level data? View the Mode-S A71749 page for country allocation, callsign history, and ADS-B signal details.
N556SD frequently asked
Who operates N556SD?
N556SD is operated by HARRIS COUNTY SHERIFF'S OFFICE.
What is the Mode-S transponder code for N556SD?
N556SD broadcasts on Mode-S (ICAO 24-bit) address A71749 (octal 51613511). View the transponder page.
What route does N556SD typically fly?
N556SD most frequently flies between DWH and DWH based on observed flights.
Where is N556SD right now?
N556SD is not currently being tracked; last seen 1d ago.