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N18902Ryan Aeronautical ST-A · 1938

StandardMenasco PIRATE C4 D4Ottumwa, IA

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N18902 is a 1938 Ryan Aeronautical ST-A. It is a fixed-wing single-engine aircraft with 2 seats, powered by a Menasco PIRATE C4 D4 rated at 125 horsepower. The registration is active, with the registrant based in Ottumwa, IA. Its standard airworthiness certificate was issued in Apr 1967. It has been registered to its current owner since Mar 2014.

88 years old
Only 23 Ryan Aeronautical ST-A here
No NTSB events on record

More like this:Ryan Aeronautical ST-A Aircraft in Iowa Standard

2014

FAA record · Mar 2014 · Registration

Registered to current owner

Registered to Airpower Museum INC. Registrant based in Ottumwa, IA.

1967

FAA record · Apr 1967 · Airworthiness

Airworthiness certificate issued — Standard

Manufacturer: Ryan Aeronautical. Model ST-A. Serial 198.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N18902's record changes.

More from Airpower Museum

FAA record

and 24 more registered to the same entity in IA.

Aircraft

ManufacturerRyan Aeronautical

ModelST-A

Year1938

CategoryStandard

TypeFixed-wing single-engine

Serial198

EngineMenasco PIRATE C4 D4

Horsepower125

Seats2

BasedOttumwa, IA

RegistrantAirpower Museum INC

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

2014 — present

Airpower Museum INC · Ottumwa, IA

Apr 1967

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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