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N406MMWilliams MM-1 · 1971

ExperimentalCont Motor C85 SERIESYerington, NV

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N406MM is a 1971 Williams MM-1. It is a fixed-wing single-engine aircraft with 1 seat, powered by a Cont Motor C85 series rated at 85 horsepower. The registration is active, with the registrant based in Yerington, NV. Its experimental airworthiness certificate was issued in Nov 1975. It has been registered to its current owner since Feb 2024.

55 years old
No NTSB events on record

More like this:Aircraft in Nevada Experimental

2024

FAA record · Feb 2024 · Registration

Registered to current owner

Registrant based in Yerington, NV.

1975

FAA record · Nov 1975 · Airworthiness

Special Airworthiness Certificate issued — Experimental

Manufacturer: Williams. Model MM-1. Serial 559.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N406MM's record changes.

Aircraft

ManufacturerWilliams

ModelMM-1

Year1971

CategoryExperimental

TypeFixed-wing single-engine

Serial559

EngineCont Motor C85 SERIES

Horsepower85

Seats1

BasedYerington, NV

RegistrantIndividual

Safety record

No NTSB accidents or incidents on record

Checked against the public NTSB aviation database.

Registration history

2024 — present

Registered owner · Yerington, NV

Nov 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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