# Special Conditions: Thielert Aircraft Engines GmbH, Cessna Model 172 Series, Diesel Cycle Engine Using Turbine (Jet) Fuel
> **Rule** · Final special conditions. · Published 2005-01-14 · Effective 2005-01-06 · 70 FR 2561
## Document
- **Document number:** 05-852
- **Category:** other
- **Type:** Rule
- **Action:** Final special conditions.
- **Citation:** 70 FR 2561
- **Publication date:** 2005-01-14
- **Effective date:** 2005-01-06
- **FAA docket:** Docket No. CE214
## Abstract

These special conditions are issued for the Cessna Model 172 airplane. This airplane as modified by Thielert Aircraft Engines GmbH will have a novel or unusual design feature(s) associated with the installation of an aircraft diesel engine. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/01/14/05-852/special-conditions-thielert-aircraft-engines-gmbh-cessna-model-172-series-diesel-cycle-engine-using)
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