Single-engine piston

N508RM

Homebuilt JA30 Superstol

Registered 1 NTSB/FAA record
Built
—
Serial
JA388-06-14
Class
Single-engine piston
Engines
Rotax 912ULS series
Status
Current as of October 2026
Registered owner
Mud Duck LLC (LLC)
Based
Dover, DE
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Registration record

N508RM on the FAA register

Type
Homebuilt JA30 Superstol
Serial
JA388-06-14
Engines
Rotax 912ULS series
Registered owner
Mud Duck LLC
Dover, DE
Certificate issued
2024-04-09
Airworthiness date
2015-06-26
Registration expires
2031-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A6592B
Mode S (octal)
51454453
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Just Aircraft Llc JA30 SUPERSTOL
Status
Current as of October 2026
Registry history

Timeline

  • 2031-04-30
    Registration expires (renewal due).
  • 2024-04-09
    Certificate of registration issued as N508RM.
  • 2015-09-11
    Accident at Santa Rosa, NM; damage: substantial.
  • 2015-06-26
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N508RM

N508RM is a Homebuilt JA30 Superstol, serial number JA388-06-14. The FAA register lists Mud Duck LLC as the registrant in Dover, Delaware. The current certificate of registration was issued on April 9, 2024 and expires on April 30, 2031.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 912ULS series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated June 26, 2015.

N508RM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2015-09-11 Accident · Santa Rosa, NM Damage: Substantial NTSB · GAA15CA260
Reported aircraft: Rocci Martignoni JA30 Superstol
Probable cause: The pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion and a ground loop.

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 Delaware· 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.