Single-engine piston

N120J

1988 Homebuilt SX 300

Registered 2 NTSB/FAA records
Built
1988
Serial
60
Class
Single-engine piston
Engines
Lycoming IO-540 series
Status
Current as of October 2026
Registered owner
Rainbow Sports Inc (Corporation)
Based
Enid, OK
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Registration record

N120J on the FAA register

Type
1988 Homebuilt SX 300
Serial
60
Engines
Lycoming IO-540 series
Registered owner
Rainbow Sports Inc
Enid, OK
Certificate issued
2009-01-14
Airworthiness date
1988-07-06
Registration expires
2029-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A0547A
Mode S (octal)
50052172
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-04-30
    Registration expires (renewal due).
  • 2012-01-03
    Accident at Truth or Consequences, NM; damage: substantial.
  • 2009-01-14
    Certificate of registration issued as N120J.
  • 1999-06-12
    Accident at Hill Afb, UT; damage: substantial.
  • 1988-07-06
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N120J

N120J is a 1988 Homebuilt SX 300, serial number 60. The FAA register lists Rainbow Sports Inc as the registrant in Enid, Oklahoma. The current certificate of registration was issued on January 14, 2009 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming IO-540 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 6, 1988.

N120J has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2012-01-03 Accident · Truth or Consequences, NM Damage: Substantial NTSB · CEN12CA121
Reported aircraft: Butler John R SX 300
Probable cause: The pilot did not maintain airplane control during takeoff due to his distraction with the improperly secured canopy, which he forgot to latch.
1999-06-12 Accident · Hill Afb, UT Damage: Substantial NTSB · DEN99LA100
Reported aircraft: Butler SX-300
Probable cause: A failure of the left main landing gear attachment for undetermined reasons.

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

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Browse: Aircraft registered in Oklahoma· 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.