[Code of Federal Regulations]

[Title 14, Volume 1]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR33.51]



[Page 777]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

PART 33_AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES--Table of Contents

 

          Subpart D_Block Tests; Reciprocating Aircraft Engines

 

Sec. 33.51  Operation test.



    The operation test must include the testing found necessary by the 

Administrator to demonstrate backfire characteristics, starting, idling, 

acceleration, overspeeding, functioning of propeller and ignition, and 

any other operational characteristic of the engine. If the engine 

incorporates a multispeed supercharger drive, the design and 

construction must allow the supercharger to be shifted from operation at 

the lower speed ratio to the higher and the power appropriate to the 

manifold pressure and speed settings for rated maximum continuous power 

at the higher supercharger speed ratio must be obtainable within five 

seconds.



[Doc. No. 3025, 29 FR 7453, June 10, 1964, as amended by Amdt. 33-3, 32 

FR 3737, Mar. 4, 1967]