PlaneTrack / aircraft / N21804

N21804 - Cessna 172M

N21804 is a Cessna 172M operated by Sharpe Alexander F, Mode-S hex code A1D9AF. Track it live, browse its recent flights, or download its full position history.

Representative image of a Cessna 172M. No photo of N21804 yet.

Photo © Pauli Hankonen / Planespotters

RegistrationN21804

Mode-S hexA1D9AF

ManufacturerCessna

Model172M

OperatorSharpe Alexander F

Last seen2026-08-13 22:43 UTC

Last callsignN21804

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

Flight history 5 flights since Apr 2026

Date	Callsign	From	To	Dep	Arr	Route
2026-08-13 (partial)	N21804	KCMA	?	15:23 PDT
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (4) - back to 2026-04-16

Date	Callsign	From	To	Dep	Arr
2026-06-21 (partial)	N21804	KNTD	?	12:10 PDT
Route flown, from our receiver network. Green = start, red = end.
2026-05-25 (partial)	N21804	KNTD	?	15:39 PDT
Route flown, from our receiver network. Green = start, red = end.
2026-05-01	N21804	KNTD	KCMA	15:06 PDT	15:26 PDT
Route flown, from our receiver network. Green = start, red = end.
2026-04-16 (partial)	N21804	KCMA	?	12:44 PDT
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.