Registry / Williams / MM-1 / N406MM

Own N406MM?

Claim ownership to earn the Verified Owner badge on your reviews and to reply to other pilots' feedback.

+ Submit ownership claim →

We won't display your email publicly.

Helpful: bill of sale, registration certificate, insurance dec page. Names are auto-matched too — many claims auto-verify without a document.

Claims auto-verify when your name matches the FAA registrant. Otherwise an admin reviews — usually within 1 business day.

N406MM V

Williams MM-1 · 1971

FAA Registry ↗ FlightAware ↗ FlightRadar24 ↗ ADS-B Globe ↗

Pilot & Owner Reviews

Be the first to share what you know about N406MM.

Share your experience with N406MM

Help other pilots, buyers and curious aviators. Reviews appear after a quick admin check.

+ Add detailed ratings (optional)
About your time with N406MM (specific to this airplane — helps other pilots)
Would you fly this airplane again?
Recommended for (pick any)

20–2,000 characters

We won't display your email publicly.

No reviews yet — be the first.

Pilot & Owner Reviews

Own N406MM? Claim ownership to earn the Verified Owner badge on your reviews and to reply to other pilots' feedback.

Flight history & live tracking

ICAO24: a4c40a
Track N406MM on external services
FlightAware FlightRadar24 ADS-B Exchange Globe ADS-B.lol Globe FAA Registry
No flight data on file yet for N406MM.
Queries adsb.lol — works only if N406MM is broadcasting ADS-B right now. Daily sweep at 04:43 MST · external trackers above for guaranteed live data.
📸 Upload a photo of N406MM

We won't display your email publicly.

Up to 10 photos per aircraft per uploader. Photos appear after admin approval.

Aircraft Type — ACFTREF 1692165

Williams MM-1
Engines: 1
Type: piston
Seats: 1
Cruise: 97 KTAS
Category: Standard

Engine — CODE 17008

Manufacturer: Cont Motor
Model: C85 SERIES
Type: Reciprocating (Piston)
Horsepower: 85 HP

FAA Registration Record

N-Number: N406MM
Serial Number: 559
Year Manufactured: 1971
ACFTREF Code: 1692165
Engine Code: 17008
Status: V (V)
Certification: 42
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master

Transponder / ADS-B

Mode S (octal): 51142012
ICAO 24-bit (hex): A4C40A
ADS-B Exchange ↗ | FlightAware ↗

Registrant

Dean David E
2 Nordyke Rd
Yerington, NV, 894479503
FAA Region: 4

Key Dates

Certificate Issued Feb 21, 2024
Airworthiness Nov 10, 1975
Expiration Feb 28, 2031
Last Activity Feb 22, 2024
Data as of Jun 8, 2026

Calculate Performance

Calculate density altitude, takeoff roll, and climb performance for a Williams MM-1 at any airport.

Airport Performance Calculator

Pre-filled with MM-1 performance data

Need to ferry this aircraft?

FerryFlight connects you with experienced ferry pilots for domestic and international delivery flights.

Get a Quote