PlaneTrack / aircraft / B-321U

B-321U - A20N

B-321U is a A20N, Mode-S hex code 781B2F. Track it live, browse its recent flights, or download its full position history.

Photo © lihutao / Planespotters

RegistrationB-321U

Mode-S hex781B2F

ModelA20N

Last seen2026-10-08 00:59 UTC

Last callsignOTC7197

Recently active. Last received 5 hours ago, possibly beyond receiver coverage or landed.

Open the live map Buy full history (CSV) Free one-day sample API access

Flight history 35 flights since Oct 2025

Date	Callsign	From	To	Dep	Arr
2026-10-08 (today)	OTC7197	?	—	00:43Z	last received 00:59Z
Track received today; the finished segment is added by tonight's history build.
2026-10-07	OTC7217	?	?	01:11Z	02:38Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-07	OTC7218	?	?	08:55Z	10:22Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-05	OTC7238	?	?	09:13Z	09:30Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-04	OTC7237	?	?	00:33Z	00:54Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-02	OTC7777	?	?	04:08Z	06:12Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-02	OTC7778	?	?	06:13Z	06:44Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-01	OTC7303	?	?	05:44Z	09:40Z
Route flown, from our receiver network. Green = start, red = end.
2026-10-01	OTC7304	?	?	09:45Z	10:54Z
Route flown, from our receiver network. Green = start, red = end.
2026-09-26	OTC7197	?	?	00:40Z	00:58Z
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (26) - back to 2025-10-27

Date	Callsign	From	To	Dep	Arr
2026-09-06	OTC7778	?	?	01:54Z	04:38Z
Route flown, from our receiver network. Green = start, red = end.
2026-08-28	OTC7777	?	?	01:58Z	02:21Z
Route flown, from our receiver network. Green = start, red = end.
2026-08-28	OTC7778	?	?	04:10Z	04:38Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-29	OTC7778	?	?	02:46Z	04:36Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-16	OTC7193	?	?	08:27Z	08:56Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-15	OTC7193	?	?	08:32Z	12:38Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-14	OTC7193	?	?	08:27Z	08:52Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-04	OTC7788	?	?	02:29Z	03:05Z
Route flown, from our receiver network. Green = start, red = end.
2026-03-04	OTC7787	?	?	05:34Z	06:12Z
Route flown, from our receiver network. Green = start, red = end.
2026-02-27	OTC7777	?	?	02:02Z	02:26Z
Route flown, from our receiver network. Green = start, red = end.
2026-02-27	OTC7778	?	?	04:34Z	05:02Z
Route flown, from our receiver network. Green = start, red = end.
2026-02-16 (partial)	OTC7309	?	?	00:02Z
Route flown, from our receiver network. Green = start, red = end.
2026-02-15 (partial)	OTC7309	ZGSZ	?	08:02 CST
Route flown, from our receiver network. Green = start, red = end.
2026-02-13 (partial)	OTC7309	ZGSZ	?	08:00 CST
Route flown, from our receiver network. Green = start, red = end.
2026-02-11 (partial)	OTC7309	ZGSZ	?	08:01 CST
Route flown, from our receiver network. Green = start, red = end.
2026-01-28	OTC7777	?	?	02:10Z	02:32Z
Route flown, from our receiver network. Green = start, red = end.
2026-01-28	OTC7778	?	?	04:24Z	04:54Z
Route flown, from our receiver network. Green = start, red = end.
2026-01-21	OTC7777	?	?	00:20Z	00:50Z
Route flown, from our receiver network. Green = start, red = end.
2026-01-21	OTC7778	?	?	03:10Z	03:38Z
Route flown, from our receiver network. Green = start, red = end.
2026-01-07	OTC7228	?	ZGSZ	13:53Z	23:44 CST
Route flown, from our receiver network. Green = start, red = end.
2025-12-31	OTC7227	?	?	00:53Z	01:10Z
Route flown, from our receiver network. Green = start, red = end.
2025-12-20	OTC7272	?	?	07:50Z	08:08Z
Route flown, from our receiver network. Green = start, red = end.
2025-12-16 (partial)	OTC7272	?	?	07:48Z
Route flown, from our receiver network. Green = start, red = end.
2025-11-27	OTC7193	?	?	08:52Z	12:40Z
Route flown, from our receiver network. Green = start, red = end.
2025-11-26	OTC7193	?	?	08:40Z	13:00Z
Route flown, from our receiver network. Green = start, red = end.
2025-10-27	OTC7731	?	?	02:48Z	03:08Z
Route flown, from our receiver network. Green = start, red = end.

Times are local to each airport. Hover for UTC. Tap Map to see the route flown. Partial records have a confirmed departure but no reliable arrival fix.

Data access

Live position and 365-day history for this aircraft are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample).