Piston helicopter

N821AX

Homebuilt Rmax Type II

Registered No accidents on file
Built
—
Serial
L27-3-100125
Class
Piston helicopter
Engines
1
Status
Current as of October 2026
Registered owner
Yamaha Motor Corp USA (Non-citizen corporation)
Based
Cypress, CA
Registration record

N821AX on the FAA register

Type
Homebuilt Rmax Type II
Serial
L27-3-100125
Engines
1
Registered owner
Yamaha Motor Corp USA
Cypress, CA
Certificate issued
2017-05-24
Airworthiness date
—
Registration expires
2027-05-31
Airworthiness class
—
Mode S (hex)
AB34A8
Mode S (octal)
52632250
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-05-31
    Registration expires (renewal due).
  • 2017-05-24
    Certificate of registration issued as N821AX to the current registrant.
  • 2004-09-23
    N821AX previously assigned to a McDonnell Douglas DC-8-63 (s/n 46116); cancelled.
Overview

About N821AX

N821AX is a Homebuilt Rmax Type II, serial number L27-3-100125. The FAA register lists Yamaha Motor Corp USA as the registrant in Cypress, California. The current certificate of registration was issued on May 24, 2017 and expires on May 31, 2027.

The FAA aircraft reference file describes the type as a piston helicopter.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N821AX.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N821AX.

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

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Same state

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Browse: Aircraft registered in California· 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.