Single-engine piston

N21JB

1999 Homebuilt STS Plymate SA-11-A

Registered 1 NTSB/FAA record
Built
1999
Serial
171011242
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Jvg3 Inc (Corporation)
Based
Orange Park, FL
Registration record

N21JB on the FAA register

Type
1999 Homebuilt STS Plymate SA-11-A
Serial
171011242
Engines
Lycoming O-320 series
Registered owner
Jvg3 Inc
Orange Park, FL
Certificate issued
2018-02-02
Airworthiness date
1999-11-12
Registration expires
2028-02-29
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A1B7F3
Mode S (octal)
50333763
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-02-29
    Registration expires (renewal due).
  • 2026-07-09
    Accident at Green Cove Springs, FL.
  • 2018-02-02
    Certificate of registration issued as N21JB to the current registrant.
  • 1999-11-12
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1999-02-11
    N21JB previously assigned to a Homebuilt Volksplane VP-1 (s/n V-1702); cancelled.
Overview

About N21JB

N21JB is a 1999 Homebuilt STS Plymate SA-11-A, serial number 171011242. The FAA register lists Jvg3 Inc as the registrant in Orange Park, Florida. The current certificate of registration was issued on February 2, 2018 and expires on February 29, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-320 series engine and 3 seats. Its airworthiness certificate is experimental category (amateur-built), dated November 12, 1999.

N21JB has 1 accident/incident record on file; details are below.

Safety record

Accident & incident history

2026-07-09 Accident · Green Cove Springs, FL Minor injury NTSB · ERA26LA267
Reported aircraft: Weller Jay Bee STS Plymate SA-11-A
Probable cause: The pilot’s improper landing flare, which resulted in a hard landing.
NTSB report ↗

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

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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.