PlaneTrack / aircraft / N421SS

N421SS - Cessna 421C

N421SS is a Cessna 421C operated by Ridgeaire Inc, Mode-S hex code A500F7. Track it live, browse its recent flights, or download its full position history.

Representative image of a Cessna 421C. No photo of N421SS yet.

Photo © Flightline Aviation Media - Bruce Leibowitz / Planespotters

RegistrationN421SS

Mode-S hexA500F7

ManufacturerCessna

Model421C

OperatorRidgeaire Inc

Last seen2026-08-21 20:23 UTC

Last callsignN421SS

Recently active. Last received 39 hours ago, possibly beyond receiver coverage or landed.

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

Flight history 8 flights since Feb 2026

Date	Callsign	From	To	Dep	Arr	Route
2026-08-21	N421SS	?	?	18:16Z	20:22Z
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (7) - back to 2026-02-16

Date	Callsign	From	To	Dep	Arr
2026-06-28 (partial)	N421SS	KGRK	?	11:38 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-06-24	N421SS	KGRK	KGTU	12:11 CDT	12:32 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-05-19 (partial)	N421SS	KGRK	?	23:33 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-19	N421SS	KLAL	KGTU	09:18 EDT	16:40 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-16	N421SS	KGTU	KLAL	05:27 CDT	11:34 EDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-13 (partial)	N421SS	KGTU	?	16:22 CDT
Route flown, from our receiver network. Green = start, red = end.
2026-02-16	N421SS	KDFW	KNMM	10:10 CST	12:08 CST
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.