Piston helicopter

N3904B

2009 Homebuilt Air Command

Registered No accidents on file
Built
2009
Serial
01
Class
Piston helicopter
Engines
Rotax 582SER
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Rochester, MI
Registration record

N3904B on the FAA register

Type
2009 Homebuilt Air Command
Serial
01
Engines
Rotax 582SER
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Rochester, MI
Certificate issued
2014-06-04
Airworthiness date
2009-11-21
Registration expires
2027-06-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A485AF
Mode S (octal)
51102657
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2014-06-04
    Certificate of registration issued as N3904B to the current registrant.
  • 2009-11-21
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1949-12-20
    N3904B previously assigned to a Consolidated Vultee BT-15 (s/n 8496); cancelled.
Overview

About N3904B

N3904B is a 2009 Homebuilt Air Command, serial number 01. It is registered to an individual in Rochester, Michigan. The current certificate of registration was issued on June 4, 2014 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a piston helicopter, one Rotax 582SER engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated November 21, 2009.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N3904B.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N3904B.

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

Same state

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Browse: Aircraft registered in Michigan· 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.