PlaneTrack / aircraft / N9139Z

N9139Z - Mooney M20J

N9139Z is a Mooney M20J operated by Lessin Brian S, Mode-S hex code ACA57B. Track it live, browse its recent flights, or download its full position history.

Representative image of a Mooney M20J. No photo of N9139Z yet.

Photo © Flightline Aviation Media - Bruce Leibowitz / Planespotters

RegistrationN9139Z

Mode-S hexACA57B

ManufacturerMooney

ModelM20J

OperatorLessin Brian S

Last seen2026-08-22 14:09 UTC

Last callsignN9139Z

Recently active. Last received 17 hours ago, possibly beyond receiver coverage or landed.

Open the live map Buy full history (CSV) API access

Flight history 15 flights since Apr 2026

Date	Callsign	From	To	Dep	Arr	Route
2026-08-15 (partial)	N9139Z	KDPA	?	13:19 CDT
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (14) - back to 2026-04-21

Date	Callsign	From	To	Dep	Arr
2026-07-21	N9139Z	KDPA	KOSH	09:16 CDT	10:46 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-07-14	N9139Z	KMKE	KDPA	08:15 CDT	08:40 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-07-05	N9139Z	KDPA	KUGN	13:49 CDT	14:10 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	N9139Z	KDPA	?	11:25 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-23 (partial)	N9139Z	KDPA	?	21:16 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-20	N9139Z	KIKK	KDPA	19:31 CDT	21:18 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-19	N9139Z	KDPA	KIKK	16:14 CDT	18:56 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-18 (partial)	N9139Z	KDPA	?	15:54 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-15 (partial)	N9139Z	KDPA	?	13:16 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-05-11 (partial)	N9139Z	KDPA	?	06:58 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-05-02 (partial)	N9139Z	KDPA	?	15:05 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-25 (partial)	N9139Z	KDPA	?	13:25 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-22	N9139Z	KDPA	KORD	08:39 CDT	10:56 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-21	N9139Z	?	KORD	20:11Z	17:18 CDT
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 own receiver network archive.