Single-engine piston

N356WB

2009 Homebuilt Spencer Amphib Air

Registered No accidents on file
Built
2009
Serial
261
Class
Single-engine piston
Engines
Continental IO-520-L
Status
Current as of October 2026
Registered owner
Mwm Interests Inc (Corporation)
Based
The Woodlands, TX
Registration record

N356WB on the FAA register

Type
2009 Homebuilt Spencer Amphib Air
Serial
261
Engines
Continental IO-520-L
Registered owner
Mwm Interests Inc
The Woodlands, TX
Certificate issued
2016-07-06
Airworthiness date
2009-09-05
Registration expires
2029-07-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A3FD0D
Mode S (octal)
50776415
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-07-31
    Registration expires (renewal due).
  • 2016-07-06
    Certificate of registration issued as N356WB.
  • 2009-09-05
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N356WB

N356WB is a 2009 Homebuilt Spencer Amphib Air, serial number 261. The FAA register lists Mwm Interests Inc as the registrant in The Woodlands, Texas. The current certificate of registration was issued on July 6, 2016 and expires on July 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental IO-520-L engine and 4 seats. Its airworthiness certificate is experimental category (amateur-built), dated September 5, 2009.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N356WB.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N356WB.

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

Same state

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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.