# N550SD: 1997 Diamond Aircraft Industries HK 36 TTC

- Status: Valid registration
- Airframe: [Diamond Aircraft Industries HK 36 TTC](https://openairdocs.org/model/diamond-aircraft-industries-hk-36-ttc) (registry code 05605ML, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS G07CE](https://openairdocs.org/tcds/G07CE) (Diamond Aircraft Industries GmbH) (OpenAirDocs)
- Serial number: 36550
- Year built: 1997
- Type: Glider
- Engine type: Reciprocating
- Airworthiness: Standard, utility
- Airworthiness date: November 21, 1997
- Certificate issued: May 14, 2025
- Expires: May 31, 2032
- Mode S code: A700FF
- Registered owner: [Ward Larry](https://openairdocs.org/faa-owner/WARD%20LARRY)
- Location: [Homer Glen, IL](https://openairdocs.org/faa-place/IL/Homer%20Glen)
- Owner type: Individual
- Owner's area on the map: 41.6043° N, 87.9616° W: Placed by OpenAirDocs at the center of ZIP code 60491, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=550SD
- Page: https://openairdocs.org/aircraft/N550SD

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): 2 in force

### Matched by airframe (Diamond Aircraft Industries HK 36 TTC)

- [AD 2002-15-01 R1](https://openairdocs.org/ad/2002-15-01-R1): Long Aileron Push Rods in Both Wings · Diamond Aircraft Industries HK 36 R SUPER DIMONA, HK 36 TC, HK 36 TS and 4 more. Effective Sep 3, 2002
- [AD 98-09-14](https://openairdocs.org/ad/98-09-14): Banjo Bolt · Diamond Aircraft Industries HK 36 TTC, HK 36 TTC-ECO, HK 36 TTC-ECO (Restricted Category) and 1 more. Effective Jun 14, 1998

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

### Historical (superseded or no longer in force)

- [AD 2002-15-01](https://openairdocs.org/ad/2002-15-01) (historical): Long Aileron Push Control Rods · Diamond Aircraft Industries H-36 DIMONA, HK 36 R SUPER DIMONA, HK 36 TC and 5 more. Effective Sep 3, 2002

## Information bulletins (advisory) (2 in force)

- [SAIB CE-07-51](https://openairdocs.org/saib/CE-07-51): Engine. Issued Sep 20, 2007
- [SAIB CE-07-50](https://openairdocs.org/saib/CE-07-50): Doors. Issued Sep 20, 2007

## NTSB investigations

None matched to N550SD.

## FAA accident and incident reports

None matched to N550SD.

## 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.

## Related

- Other Diamond Aircraft Industries HK 36 TTC aircraft: https://openairdocs.org/model/diamond-aircraft-industries-hk-36-ttc/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.