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Aircraft registration

N421ER

Built 2004 · registered US

264 for sale50 manuals& guides29,823 registered

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ActiveManufacturer Cessna Model 172 Variant 172S
Representative photo of a Cessna 172Type photo — not this specific aircraftPhoto via Wikipedia: Cessna 172
This aircraft is a
Cessna 172
Full specs

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Cessna 172K Skyhawk parked in a hangar.15 photos
1969 CESSNA 172K SKYHAWK Single Engine Piston for sale
Hot Springs, USA
$125,000
Listed 4w ago
A Cessna 172M Skyhawk parked on the tarmac.6 photos
1976 CESSNA 172M SKYHAWK Single Engine Piston for sale
Atwater, USA
$80,000
Listed 4w ago
Cessna 172M Skyhawk parked in a hangar.16 photos
1975 CESSNA 172M SKYHAWK Single Engine Piston for sale
Sioux Center, USA
$130,000
Listed 4w ago

Flight activity

(184 tracking legs recorded)

Live tracking paused — activity data through 24 Aug 2026. Windows below are measured to that date.

30 days to 24 Aug 2026
22
90 days to 24 Aug 2026
184
Last seen
21 Aug 2026
Tracked since
26 May 2026

Frequent routes: KTCY → KTCY (104) · KTCY → KSQL (2) · KBFL → KTCY (1)

  • KTCY → KTCY21 Aug 2026 · 1h 43m
  • KTCY → KTCY20 Aug 2026 · 0h 10m
  • … → KTCY20 Aug 2026 · 3h 28m
  • … → KTCY20 Aug 2026 · 0h 21m
  • … → KSJC20 Aug 2026 · 0h 17m
  • KTCY → KSQL20 Aug 2026 · 0h 59m
  • KTCY → KTCY20 Aug 2026 · 2h 45m
  • KTCY → KTCY20 Aug 2026 · 0h 56m
  • KTCY → KSQL20 Aug 2026 · 6h 21m
  • … → KTCY20 Aug 2026 · 2h 20m

Showing the 10 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.

From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.

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How common is this aircraft?
29,823Cessna 172 registered worldwide

Common. One of the most common aircraft types we track.

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Registration history

(1)
  • N421ERUSACTIVE
    CC AVIATION INC
    2023 – present

Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal

About N421ER
What type of aircraft is N421ER?

N421ER is a Cessna 172, built in 2004.

Where is N421ER registered?

N421ER is currently registered in United States (US).

What is the MSN of N421ER?

The manufacturer serial number (MSN) of N421ER is 172S9679.

What is the ICAO24 (Mode S) code for N421ER?

N421ER's ICAO24 hex code is A4FFCA.

Is N421ER still airworthy?

N421ER's current registry status is Active.