Horns normally produce a sound level exceeding the minimum set by the FRA
CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF
PART 229_RAILROAD LOCOMOTIVE SAFETY STANDARDS--Table of Contents
Subpart C_Safety Requirements
Sec. 229.129 Locomotive horn.
(a) Each lead locomotive shall be equipped with a locomotive horn
that produces a minimum sound level of 96 dB(A) and a maximum sound
level of 110 dB(A) at 100 feet forward of the locomotive in its
direction of travel. The locomotive horn shall be arranged so that it
can be conveniently operated from the engineer's usual position during
operation of the locomotive.
(b)(1) Each locomotive built on or after September 18, 2006 shall be
tested in accordance with this section to ensure that the horn installed
on such locomotive is in compliance with paragraph (a) of this section.
Locomotives built on or after September 18, 2006 may, however, be tested
in accordance with an acceptance sampling scheme such that there is a
probability of .05 or less of rejecting a lot with a proportion of
defectives equal to an AQL of 1% or less, as set forth in 7 CFR part 43.
If Conductors are in charge, why are they promoted to be Engineer???
Retired Triebfahrzeugführer. I am not a moderator.