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N421HMCessna 421B · 1970

StandardCont Motor GTSI0-520-F-KMonroe, WA

Claim this aircraft

N421HM is a 1970 Cessna 421B. It is a fixed-wing multi-engine aircraft with 8 seats, powered by a Cont Motor GTSI0-520-F-K rated at 435 horsepower. The registration is active, with the registrant based in Monroe, WA. Its standard airworthiness certificate was issued in Apr 1991. It has been registered to its current owner since Jan 2024.

56 years old
1 of 242 Cessna 421B
No NTSB events on record

More like this:Cessna 421B Aircraft in Washington Standard

2024

FAA record · Jan 2024 · Registration

Registered to current owner

Registrant based in Monroe, WA.

1991

FAA record · Apr 1991 · Airworthiness

Airworthiness certificate issued — Standard

Manufacturer: Cessna. Model 421B. Serial 421B0029.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N421HM's record changes.

Aircraft

ManufacturerCessna

Model421B

Year1970

CategoryStandard

TypeFixed-wing multi-engine

Serial421B0029

EngineCont Motor GTSI0-520-F-K

Horsepower435

Seats8

BasedMonroe, WA

RegistrantIndividual

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

2024 — present

Registered owner · Monroe, WA

Apr 1991

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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