flight Aircraft
N21SG
CESSNA 421 Executive Commuter
Operated by TWO ONE SIERRA GOLF LLC
- Tail number
- N21SG
- Type
- C421
- Mode-S
- A1B8C0
Not currently tracked · last seen Jul 25, 18:45 UTC
- Flights observed
- 10
- Avg flight time
- 38m
- Typical route
- -
- Last seen
- Jul 25, 18:45 UTC
Last known area
Recent flights last 10
| Date | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|
| 2026-07-25 | - | Jul 25, 18:10 UTC | Jul 25, 18:45 UTC | 35m |
| 2026-07-24 | - | Jul 24, 20:55 UTC | Jul 24, 21:30 UTC | 35m |
| 2026-07-21 | - | Jul 21, 20:25 UTC | Jul 21, 20:55 UTC | 30m |
| 2026-07-20 | - | Jul 20, 22:00 UTC | Jul 20, 22:30 UTC | 30m |
| 2026-07-18 | - | Jul 18, 17:35 UTC | Jul 18, 18:10 UTC | 35m |
| 2026-07-06 | - | Jul 6, 01:45 UTC | Jul 6, 02:10 UTC | 25m |
| 2026-07-03 | - | Jul 3, 18:15 UTC | Jul 3, 18:50 UTC | 35m |
| 2026-06-24 | - | Jun 24, 21:09 UTC | Jun 24, 22:45 UTC | 1h 35m |
| 2026-06-24 | - | Jun 24, 14:09 UTC | Jun 24, 14:24 UTC | 15m |
| 2026-06-23 | - | Jun 23, 22:05 UTC | Jun 23, 22:55 UTC | 50m |
Specifications
| Registration | N21SG |
| Aircraft type | CESSNA 421 Executive Commuter (C421) |
| Operator | TWO ONE SIERRA GOLF LLC |
| Mode-S code | A1B8C0 · 50334300 (octal) |
Looking for transponder-level data? View the Mode-S A1B8C0 page for country allocation, callsign history, and ADS-B signal details.
N21SG frequently asked
What type of aircraft is N21SG?
N21SG is a CESSNA 421 Executive Commuter (ICAO type code C421).
Who operates N21SG?
N21SG is operated by TWO ONE SIERRA GOLF LLC.
What is the Mode-S transponder code for N21SG?
N21SG broadcasts on Mode-S (ICAO 24-bit) address A1B8C0 (octal 50334300). View the transponder page.
Where is N21SG right now?
N21SG is not currently being tracked; last seen Jul 25, 18:45 UTC.