[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: 14CFR33.29]



[Page 772]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

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

 

               Subpart B_Design and Construction; General

 

Sec. 33.29  Instrument connection.



    (a) Unless it is constructed to prevent its connection to an 

incorrect instrument, each connection provided for powerplant 

instruments required by aircraft airworthiness regulations or necessary 

to insure operation of the engine in compliance with any engine 

limitation must be marked to identify it with its corresponding 

instrument.

    (b) A connection must be provided on each turbojet engine for an 

indicator system to indicate rotor system unbalance.

    (c) Each rotorcraft turbine engine having a 30-second OEI rating and 

a 2-minute OEI rating must have a provision for a means to:

    (1) Alert the pilot when the engine is at the 30-second OEI and the 

2-minute OEI power levels, when the event begins, and when the time 

interval expires;

    (2) Determine, in a positive manner, that the engine has been 

operated at each rating; and

    (3) Automatically record each usage and duration of power at each 

rating.



[Amdt. 33-5, 39 FR 1831, Jan. 15, 1974, as amended by Amdt. 33-6, 39 FR 

35465, Oct. 1, 1974; Amdt. 33-18, 61 FR 31328, June 19, 1996]