# N55448: 2007 Heldeberg Designs MARATHON 2 PLACE

- Status: Valid registration
- Airframe: [Heldeberg Designs MARATHON 2 PLACE](https://openairdocs.org/model/heldeberg-designs-marathon-2-place) (registry code 05903YB, 2 seats)
- Engine: [Rotax 582DCDI](https://openairdocs.org/engine/rotax-582dcdi) (registry code 55562)
- Serial number: HD07153M
- Year built: 2007
- Type: Powered parachute
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 18, 2007
- Certificate issued: November 7, 2007
- Expires: October 31, 2028
- Mode S code: A7114C
- Registered owner: [Gardner Edmond J](https://openairdocs.org/faa-owner/GARDNER%20EDMOND%20J)
- Location: [Earleville, MD](https://openairdocs.org/faa-place/MD/Earleville)
- Owner type: Individual
- Owner's area on the map: 39.4186° N, 75.9337° W: Placed by OpenAirDocs at the center of ZIP code 21919, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55448
- Page: https://openairdocs.org/aircraft/N55448

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Heldeberg Designs MARATHON 2 PLACE)

None in force.

### Matched by engine (Rotax 582DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N55448.

## NTSB investigations on N55448 not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX85LA212](https://openairdocs.org/ntsb/LAX85LA212), Apr 21, 1985: Cessna 172P (N55448), Boron, CA, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20120528008279I](https://openairdocs.org/incident/20120528008279I), May 28, 2012: Heldeberg Designs LLC MARATHON 2 PLACE (N55448), Earleville, MD, No damage. At approximately 1900 on 5/28/2012, [privacy data omitted] and one passenger, [privacy data omitted], took off in a powered parachute ultralight aircraft from…

## Reports on N55448 not matched to an aircraft (1)

They name N55448, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19850420016079A](https://openairdocs.org/incident/19850420016079A), Apr 20, 1985: Cessna 172P (N55448), Boron, CA, Destroyed. Ran low on fuel after getting off course. Flipped over on crosswind landing crosswind component greatly exceeded.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N55448

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N55448 before.

- [Cancelled 2005-07-19](https://openairdocs.org/deregistered/N55448-2005-07-19): Beech A36, S/N E-2548, built 1990. Owner: [Astro Enterprises Inc](https://openairdocs.org/faa-owner/ASTRO%20ENTERPRISES%20INC), [Anderson, IN](https://openairdocs.org/faa-place/IN/Anderson)
- [Cancelled 1974-08-06](https://openairdocs.org/deregistered/N55448-1974-08-06): Piper PA-28-140, S/N 287325404. Owner: [Dahm James DBA Sky Park Arpt](https://openairdocs.org/faa-owner/DAHM%20JAMES%20DBA%20SKY%20PARK%20ARPT), [Santa Cruz, CA](https://openairdocs.org/faa-place/CA/Santa%20Cruz)
- [Cancelled 1955-12-01](https://openairdocs.org/deregistered/N55448-1955-12-01): Fairchild M-62A, S/N T42-1735. Owner: [Deitrick Rollin E](https://openairdocs.org/faa-owner/DEITRICK%20ROLLIN%20E), [Bloomsburg, PA](https://openairdocs.org/faa-place/PA/Bloomsburg)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N55448-undated): Cessna 172P, S/N 17275182. Triennial form not returned

## Related

- Other Heldeberg Designs MARATHON 2 PLACE aircraft: https://openairdocs.org/model/heldeberg-designs-marathon-2-place/aircraft.md
- The Rotax 582DCDI engine: https://openairdocs.org/engine/rotax-582dcdi.md

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