PlaneTrack / aircraft / N99GY

N99GY - Gulfstream Aerospace GIV SP

N99GY is a Gulfstream Aerospace GIV SP operated by Zimmer Development Company Llc, Mode-S hex code ADD0F7. Track it live, browse its recent flights, or download its full position history.

Photo © Didier Vittoz / Planespotters

RegistrationN99GY

Mode-S hexADD0F7

ManufacturerGulfstream Aerospace

ModelGIV SP

OperatorZimmer Development Company Llc

Last seen2026-08-15 21:14 UTC

Last callsignN99GY

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

Flight history 9 flights since Jun 2026

Date	Callsign	From	To	Dep	Arr
2026-08-15	N99GY	KOPF	?	16:10 EDT	21:14Z
Route flown, from our receiver network. Green = start, red = end.
2026-08-12	N99GY	?	KOPF	18:14Z	15:38 EDT
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (7) - back to 2026-06-23

Date	Callsign	From	To	Dep	Arr
2026-07-12	N99GY	KFLL	?	15:38 EDT	20:22Z
Route flown, from our receiver network. Green = start, red = end.
2026-07-09	N99GY	KILM	KFXE	16:07 EDT	17:16 EDT
Route flown, from our receiver network. Green = start, red = end.
2026-07-07	N99GY	KBGR	KILM	15:27 EDT	17:18 EDT
Route flown, from our receiver network. Green = start, red = end.
2026-07-05	N99GY	LFPB	CYFC	11:56 CEST	13:30 ADT
Route flown, from our receiver network. Green = start, red = end.
2026-07-03	N99GY	EIDW	LFPG	10:47 IST	16:26 CEST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01	N99GY	KNCA	EIDW	10:21 EDT	22:08 IST
Route flown, from our receiver network. Green = start, red = end.
2026-06-23	N99GY	KSAV	KILM	16:21 EDT	18:40 EDT
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.