More
than options... you have a choice!
| Traditional
Kit Engines * |
| Owner performed
oil and spark plug changes |
Permitted |
Owner performed maintenance
(other than oil and spark plug changes) |
Permitted |
Engine Modifications
e.g. fuel systems, electronic ignitions,
high compression pistons |
Permitted |
| TBO
* |
For reference only |
Van's Aircraft
recommendation
(See www.vansaircraft.com
for more information) |
Recommended |
| Acquisition cost |
Moderate |
| Manufacturers (Examples) |
TITAN®
by ECi, XP-360 by SAP |
| Warranty |
A parts warranty supplied
by the PMA holder and an assembly warranty supplied by the
engine builder |
| Owner build
option |
Yes. Contact
the manufacturer for details. |
| Flight testing requirements
for type certification of experimental amateur-built aircraft |
Minimum 40 hours |
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|
| Traditional
Non-Certified Aircraft Engines * |
| Owner performed oil and spark
plug changes |
Permitted |
Owner performed maintenance
(other than oil and spark plug changes) |
Permitted |
Engine Modifications
e.g. fuel systems, electronic ignitions,
high compression pistons |
Permitted |
| TBO
* |
Established by the OEM
* |
Van's Aircraft
recommendation
(See www.vansaircraft.com
for more information) |
Not Recommended |
| Acquisition cost |
Low |
| Manufacturers (Examples) |
Limbach,
Jabiru, LOM, Radial from Romania |
| Warranty |
New engines carry the manufacturer’s
warranty |
| Owner build
option |
No |
| Flight testing requirements
for type certification of experimental amateur-built aircraft |
Minimum 40 hours |
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|
| Certified
Engines * |
| Owner performed oil and spark
plug changes |
Permitted |
Owner performed maintenance
(other than oil and spark plug changes) |
NOT Permitted |
Engine Modifications
e.g. fuel systems, electronic ignitions,
high compression pistons |
MAY be
permitted. All modifications must be supported by a STC*.
A modification performed without an STC renders the engine
non-certificated and the data plate* must be removed. |
| TBO
* |
For reference only. Defined
by OEM but not required for Part 91 operation. |
Van's Aircraft
recommendation
(See www.vansaircraft.com
for more information) |
Highly
recommended |
| Acquisition cost |
High but at a reduced price
when purchased with a kit plane from Van's Aircraft |
| Manufacturers (Examples) |
Lycoming,
Continental, Franklin, Rotax (Certain models), Thielert,
SMA |
| Warranty |
New certified engines carry
the manufacturer’s current warranty. Contact the distributor
for details. |
| Owner build
option |
No |
| Flight testing requirements
for type certification of experimental amateur-built aircraft |
Minimum 25 hours |
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|
| Scratch
Built Engines * |
| Owner performed oil and spark
plug changes |
Permitted |
Owner performed maintenance
(other than oil and spark plug changes) |
Permitted |
Engine Modifications
e.g. fuel systems, electronic ignitions,
high compression pistons |
Permitted |
| TBO
* |
For reference only. |
Van's Aircraft
recommendation
(See www.vansaircraft.com
for more information) |
Recommended
over an engine conversion |
| Acquisition cost |
Low to cheap depending
on the mix of new and used parts |
| Manufacturers (Examples) |
Defined
by the builder |
| Warranty |
A parts warranty supplied
by the PMA holder for new parts. Used parts will not carry
a warranty. The engine builder may supply a warranty for
assembly |
| Owner build
option |
Yes, for
un-certificated version |
| Flight testing requirements
for type certification of experimental amateur-built aircraft |
Minimum 40 hours |
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|
|
Non-Aircraft
Engine Conversion * |
| Owner performed oil and spark
plug changes |
Permitted |
Owner performed maintenance
(other than oil and spark plug changes) |
Permitted |
Engine Modifications
e.g. fuel systems, electronic ignitions,
high compression pistons |
Permitted |
| TBO
* |
Not applicable |
Van's Aircraft
recommendation
(See www.vansaircraft.com
for more information) |
Not recommended
and not encouraged, but not opposed in principle |
| Acquisition cost |
Cheap |
| Manufacturers (Examples) |
Subaru,
Mazda, Corvair, etc. |
| Warranty |
None when an automotive
engine is converted to an airplane engine |
| Owner build
option |
Contact
manufacturer of conversion kit |
| Flight testing requirements
for type certification of experimental amateur-built aircraft |
Minimum 40 hours |