Single-engine piston

N70684

2003 Homebuilt Harmon Rocket II

Registered No accidents on file
Built
2003
Serial
249
Class
Single-engine piston
Engines
Lycoming IO-540 series
Status
Current as of October 2026
Registered owner
Grb Aviation LLC (LLC)
Based
Lake Providence, LA
Registration record

N70684 on the FAA register

Type
2003 Homebuilt Harmon Rocket II
Serial
249
Engines
Lycoming IO-540 series
Registered owner
Grb Aviation LLC
Lake Providence, LA
Certificate issued
2016-12-27
Airworthiness date
2003-09-10
Registration expires
2029-12-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A96E65
Mode S (octal)
52267145
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Harmon Rocket Llc HARMON ROCKET II
Status
Current as of October 2026
Registry history

Timeline

  • 2029-12-31
    Registration expires (renewal due).
  • 2016-12-27
    Certificate of registration issued as N70684 to the current registrant.
  • 2003-09-10
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1999-07-26
    N70684 previously assigned to a Homebuilt K-Command (s/n 001901); cancelled.
  • 1971-01-04
    N70684 previously assigned to a Piper J-3 Cub / J3 Cub / L-4 Cub (s/n 17704); cancelled.
Overview

About N70684

N70684 is a 2003 Homebuilt Harmon Rocket II, serial number 249. The FAA register lists Grb Aviation LLC as the registrant in Lake Providence, Louisiana. The current certificate of registration was issued on December 27, 2016 and expires on December 31, 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 September 10, 2003.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N70684. 2 earlier records involve a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1969-07-10 Accident · Clayton,Nc, 33 Damage: Destroyed NTSB · 3 2245
Reported aircraft: Piper J3C-65 — a different aircraft that carried the N70684 registration before this airframe.
1967-09-19 Accident · Va.Beach,Va, 46 Damage: Substantial NTSB · 3 3359
Reported aircraft: Piper J-3C — a different aircraft that carried the N70684 registration before this airframe.
Probable cause: AD OPER.APPROX 30HRS SINCE OVRHL.PLT USED AUTO GAS

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

Same state

Other aircraft registered in Louisiana

All 3,734 aircraft registered in Louisiana →
Similar aircraft

Other single-engine pistons on the register

Own N70684?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Louisiana· 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.