Not currently tracked · last seen 1d ago
- Flights observed
- 1
- Avg flight time
- 10m
- Typical route
- -
- Last seen
- 1d ago
Last known area
Recent flights last 1
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-05-28 | - | May 28, 23:50 UTC | May 29, 00:00 UTC | 10m |
Specifications
| Registration | 161991 |
| Aircraft type | SIKORSKY CH-53 (H53) |
| Mode-S code | AE4B4C · 53445514 (octal) |
Looking for transponder-level data? View the Mode-S AE4B4C page for country allocation, callsign history, and ADS-B signal details.
161991 frequently asked
What type of aircraft is 161991?
161991 is a SIKORSKY CH-53 (ICAO type code H53).
What is the Mode-S transponder code for 161991?
161991 broadcasts on Mode-S (ICAO 24-bit) address AE4B4C (octal 53445514). View the transponder page.
Where is 161991 right now?
161991 is not currently being tracked; last seen 1d ago.