Appendix I – Self-sustaining powered sailplanes
ED Decision 2003/13/RM
(see CS 22.1(d))
1. Engine conditions & speeds
Two Conditions must be considered -
(a) Engine extended and stopped (for cases related to engine idling).
(b) Engine running at maximum power (for cases related to maximum continuous power, or all allowable power settings and also to CS 22.175(d)(5)).
2. Structure
CS 22.361(a)(1) is not applicable.
3. Equipment
CS 22.1305 Power-plant instruments.
(a) A tachometer or a suitable substitute -
(1) A simple indication (e.g. a green light) that the engine is producing the power upon which the performance information is based; and
(2) A simple indication (e.g. a red light) that the limiting engine r.p.m. has been reached except where it has been shown that the maximum engine r.p.m. cannot be exceeded at all speeds up to VNE.
(b) A fuel quantity indicator for each fuel tank. The installation of a simple device, e.g. a transparent tank, a sight gauge or a floating type of indicator is acceptable.
(c) An oil temperature indicator or an oil temperature warning device (red light). (Except for two-stroke engines).
(d) An oil pressure indicator or warning device (red light). (Except for two-stroke engines).
(e) A cylinder head temperature indicator or warning device (red light) for each air-cooled engine when cowl flaps are fitted.
(f) An elapsed-engine-time indicator is not required.
(g) An oil quantity indicator, e.g. dipstick, unless the engine is a two-stroke type operating on pre-mixed fuel and oil.
EASA sailplane regulations for self-sustaining powered sailplanes address engine conditions during operation and idling. Structural requirements are modified. Simplified powerplant instruments are acceptable, including engine power and RPM indicators, fuel quantity, oil temperature/pressure indicators (excluding two-stroke engines), and cylinder head temperature warnings for air-cooled engines with cowl flaps.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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