Single-engine piston

N521DK

1999 Homebuilt Aventura HP

Registered No accidents on file

Built

1999

Serial

APHP0015

Class

Single-engine piston

Engines

Rotax 503 DCDI

Status

Current as of October 2026

Registered owner

Signmaxx LLC (LLC)

Based

Larksville, PA

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Registration record

N521DK on the FAA register

Type

1999 Homebuilt Aventura HP

Serial

APHP0015

Engines

Rotax 503 DCDI

Registered owner

Signmaxx LLC

Larksville, PA

Certificate issued

2019-04-18

Airworthiness date

2007-07-17

Registration expires

2029-04-30

Airworthiness class

Experimental · light-sport

Mode S (hex)

A68CFA

Mode S (octal)

51506372

Seats (type)

Weight class

up to 12,499 lb

Status

Current as of October 2026

Registry history

Timeline

2029-04-30
Registration expires (renewal due).
2019-04-18
Certificate of registration issued as N521DK.
2007-07-17
Airworthiness date on the current FAA record (experimental category (light-sport)).
1999
Manufactured (1999).

Overview

About N521DK

N521DK is a 1999 Homebuilt Aventura HP, serial number APHP0015. The FAA register lists Signmaxx LLC as the registrant in Larksville, Pennsylvania. The current certificate of registration was issued on April 18, 2019 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 503 DCDI engine and 1 seats. Its airworthiness certificate is experimental category (light-sport), dated July 17, 2007.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N521DK.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N521DK.

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

Same state

Other aircraft registered in Pennsylvania

N5213H

1975 Cessna 172M Skyhawk

1991 Cessna Citation V

All 6,188 aircraft registered in Pennsylvania →

Browse: Aircraft registered in Pennsylvania· 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.