Single-engine piston

N678JP

2024 Homebuilt Harmon Rocket II

Registered No accidents on file
Built
2024
Serial
313
Class
Single-engine piston
Engines
Lycoming IO-540-C4B5
Status
Current as of October 2026
Registered owner
Jj Aero LLC (LLC)
Based
Valley Center, KS
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Registration record

N678JP on the FAA register

Type
2024 Homebuilt Harmon Rocket II
Serial
313
Engines
Lycoming IO-540-C4B5
Registered owner
Jj Aero LLC
Valley Center, KS
Certificate issued
2024-09-27
Airworthiness date
2024-10-30
Registration expires
2031-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A8FA46
Mode S (octal)
52175106
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-09-30
    Registration expires (renewal due).
  • 2024-10-30
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2024-09-27
    Certificate of registration issued as N678JP.
Overview

About N678JP

N678JP is a 2024 Homebuilt Harmon Rocket II, serial number 313. The FAA register lists Jj Aero LLC as the registrant in Valley Center, Kansas. The current certificate of registration was issued on September 27, 2024 and expires on September 30, 2031.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming IO-540-C4B5 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated October 30, 2024.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N678JP. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2007-02-22 Accident · Turrell, AR Damage: Substantial NTSB · DFW07LA076
Reported aircraft: Ayres S2R-T41 — a different aircraft that carried the N678JP registration before this airframe.
Probable cause: The loss of engine power due to a separated fuel line. A contributing factor was the lack of suitable terrain for the forced landing.

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 Kansas· 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.