Single-engine piston

N599JS

1991 Homebuilt Ultra Max

Registered No accidents on file
Built
1991
Serial
001
Class
Single-engine piston
Engines
Rotax 503 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Big Bear City, CA
Registration record

N599JS on the FAA register

Type
1991 Homebuilt Ultra Max
Serial
001
Engines
Rotax 503 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Big Bear City, CA
Certificate issued
2007-09-05
Airworthiness date
2007-11-03
Registration expires
2028-08-31
Airworthiness class
Experimental · light-sport
Mode S (hex)
A7BFAF
Mode S (octal)
51737657
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-08-31
    Registration expires (renewal due).
  • 2007-11-03
    Airworthiness date on the current FAA record (experimental category (light-sport)).
  • 2007-09-05
    Certificate of registration issued as N599JS.
  • 1991
    Manufactured (1991).
Overview

About N599JS

N599JS is a 1991 Homebuilt Ultra Max, serial number 001. It is registered to an individual in Big Bear City, California. The current certificate of registration was issued on September 5, 2007 and expires on August 31, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 503 series engine and 1 seats. Its airworthiness certificate is experimental category (light-sport), dated November 3, 2007.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N599JS.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N599JS.

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.