Not currently tracked · last seen 4d ago
- Flights observed
- 3
- Avg flight time
- 12m
- Typical route
- -
- Last seen
- 4d ago
Last known area
Recent flights last 3
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 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.
Where is N556SD right now?
N556SD is not currently being tracked; last seen 4d ago.