N638B

Built 2006 · registered US

Active

Flight activity

(4 tracking legs recorded)

Last 30 days: 2
Last 90 days: 4
Last seen: 21 Oct 2026
Tracked since: 18 Sept 2026

Frequent routes: KEKX → KEKX (4)

KEKX → KEKX21 Oct 2026 · 1h 14m

Showing the 1 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.

Registration history

(1)

N638BUSACTIVE
KNUTSON ROBERT C
2020 – 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

N638B — frequently asked

Is N638B currently active?

Registry records list N638B's status as Active, registered in United States.

What is the manufacturer serial number (MSN) of N638B?

N638B carries manufacturer serial number (MSN) 5645, the serial assigned to this airframe when it was built.

What is the ICAO24 / Mode S code for N638B?

N638B's ICAO24 (Mode S) transponder code is A85B8D — the hex address the Mode S transponder broadcasts.