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N491SF

Built 2003 · registered US

Free alerts when N491SF's registration or status changes, or the 172 market moves.

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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Performance specs

Performance
Range
580 nm
Cruise speed
114 kt
Max speed
122 kt
Service ceiling
15,000 ft
Takeoff distance
514 m
Landing distance
395 m
Weights
MTOW
1,100 kg
Empty weight
—
Fuel capacity
200 L
Dimensions
Length
8.3 m
Wingspan
10.9 m
Height
2.6 m
Capacity
Seats
4
Max passengers
4

Flight activity

(111 tracking legs recorded)
Last 30 days
35
Last 90 days
90
Last seen
28 Oct 2026
Tracked since
28 May 2026

Frequent routes: KBFI → KBFI (8) · KCLM → KBFI (1) · KCLM → KCLM (1)

  • Tracked flight28 Oct 2026 · 0h 07m
  • Tracked flight26 Oct 2026 · 0h 05m
  • Tracked flight26 Oct 2026 · 0h 39m
  • Tracked flight25 Oct 2026 · 3h 38m
  • Tracked flight25 Oct 2026 · 3h 05m
  • Tracked flight25 Oct 2026 · 15h 55m
  • … → KRNT24 Oct 2026 · 9h 47m
  • Tracked flight24 Oct 2026 · 0h 28m
  • Tracked flight24 Oct 2026 · 0h 42m
  • Tracked flight23 Oct 2026 · 6h 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.

How common is this aircraft?
29,936Cessna 172 registered worldwide

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

More 172 aircraft

Other 172 airframes by tail number — same model as N491SF.

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What to do next

Registration history

(1)
  • N491SFUSACTIVE
    SNOHOMISH FLYING SERVICE INC
    2004 – 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

N491SF — frequently asked
What aircraft model is N491SF?

N491SF is a Cessna 172, built in 2003. Sprinkle's record for N491SF covers its lineage, ownership history and specifications.

Is N491SF currently active?

Registry records list N491SF's status as Active, registered in United States — a Cessna 172.

What is the manufacturer serial number (MSN) of N491SF?

N491SF carries manufacturer serial number (MSN) 172S9565, the serial assigned to this Cessna 172 airframe when it was built.

What is the ICAO24 / Mode S code for N491SF?

N491SF's ICAO24 (Mode S) transponder code is A61565 — the hex address the Mode S transponder on this Cessna 172 broadcasts.