Single-engine piston

N707MM

2003 Homebuilt Legacy

Registered 1 NTSB/FAA record
Built
2003
Serial
L2K-221
Class
Single-engine piston
Engines
Continental IO-550 series
Status
Current as of October 2026
Registered owner
Eaa Aviation Foundation Inc (Corporation)
Based
Oshkosh, WI
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Registration record

N707MM on the FAA register

Type
2003 Homebuilt Legacy
Serial
L2K-221
Engines
Continental IO-550 series
Registered owner
Eaa Aviation Foundation Inc
Oshkosh, WI
Certificate issued
2025-01-16
Airworthiness date
2003-09-30
Registration expires
2032-01-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A96FAE
Mode S (octal)
52267656
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Lancair Intl Inc LANCAIR LEGACY 2000
Status
Current as of October 2026
Registry history

Timeline

  • 2032-01-31
    Registration expires (renewal due).
  • 2025-01-16
    Certificate of registration issued as N707MM to the current registrant.
  • 2023-07-20
    Incident at Rochester, MN; damage: minor.
  • 2003-09-30
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1997-09-08
    N707MM previously assigned to a Robinson R22 BETA II Piston Helicopters / R22 BETA Piston Helicopters / R22B Piston Helicopters (s/n 2653); cancelled.
Overview

About N707MM

N707MM is a 2003 Homebuilt Legacy, serial number L2K-221. The FAA register lists Eaa Aviation Foundation Inc as the registrant in Oshkosh, Wisconsin. The current certificate of registration was issued on January 16, 2025 and expires on January 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental IO-550 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated September 30, 2003.

N707MM has 1 accident/incident record on file (most serious damage: minor); details are below.

Safety record

Accident & incident history

2023-07-20 Incident · Rochester, MN Damage: Minor NTSB · ENG23LA034
Reported aircraft: Hall Lester R Legacy
Probable cause: Mechanically distressed reduction gears causing an engine overspeed and turbine blade tensile overload and subsequent uncontainment. Contributing to the uncontainment was the operator s use of the engine after knowingly purchasing the engine in an unserviceable condition and only conducting a periodic inspection before flight.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same state

Other aircraft registered in Wisconsin

N7072L
1993 Homebuilt Murphy Rebel
N7072T
1959 Cessna 172 Skyhawk
N70739
1978 Cessna 152
N707S
1947 Mira Slovak/Aerobatic Bucker Jungman
N70817
Piper J-3 Cub / J3 Cub / L-4 Cub
N70818
1946 Piper J-3 Cub
All 6,164 aircraft registered in Wisconsin →
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Browse: Aircraft registered in Wisconsin· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.