Single-engine piston

N554JH

Homebuilt Harvard Mark II

Registered No accidents on file
Built
—
Serial
AJ554
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Syf LLC (LLC)
Based
Okmulgee, OK
Registration record

N554JH on the FAA register

Type
Homebuilt Harvard Mark II
Serial
AJ554
Engines
1
Registered owner
Syf LLC
Okmulgee, OK
Certificate issued
2016-07-18
Airworthiness date
—
Registration expires
2029-07-31
Airworthiness class
—
Mode S (hex)
A70F17
Mode S (octal)
51607427
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-07-31
    Registration expires (renewal due).
  • 2016-07-18
    Certificate of registration issued as N554JH.
Overview

About N554JH

N554JH is a Homebuilt Harvard Mark II, serial number AJ554. The FAA register lists Syf LLC as the registrant in Okmulgee, Oklahoma. The current certificate of registration was issued on July 18, 2016 and expires on July 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston and 2 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N554JH.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N554JH.

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.