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N421HRCessna 421B

StandardCont Motor GTSIO-520-CTwo Buttes, CO

Claim this aircraft

N421HR is a Cessna 421B. It is a fixed-wing multi-engine aircraft with 8 seats, powered by a Cont Motor GTSIO-520-C rated at 340 horsepower. The registration is active, with the registrant based in Two Buttes, CO. Its standard airworthiness certificate was issued in Aug 1975.

1 of 242 Cessna 421B
No NTSB events on record

More like this:Cessna 421B Aircraft in Colorado Standard

1975

FAA record · Aug 1975 · Airworthiness

Airworthiness certificate issued — Standard

Manufacturer: Cessna. Model 421B. Serial 421B0945.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N421HR's record changes.

More from Rons Air Service

FAA record

and 1 more registered to the same entity in CO.

Aircraft

ManufacturerCessna

Model421B

CategoryStandard

TypeFixed-wing multi-engine

Serial421B0945

EngineCont Motor GTSIO-520-C

Horsepower340

Seats8

BasedTwo Buttes, CO

RegistrantRons Air Service INC

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

Aug 1975

Airworthiness certificate issued

Owner locations generalized to city/state for privacy. Ownership lineage grows as TailWiki tracks daily FAA updates.

View earlier registration history

TailWiki has tracked this tail since Aug 2026. The FAA registry is a snapshot, not a history — earlier owners aren't in the public record. TailWiki reconstructs ownership changes by watching daily FAA updates going forward, so this section fills in the longer TailWiki runs.

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