2/14/08 JO 7110.10T
Terms of Reference 1-2-1
Section 2. Terms of Reference
1-2-1. WORD MEANINGS
As used in this manual, the words listed below have
the following meanings:
a. “Shall” or an action verb in the imperative sense
means a procedure is mandatory.
b. “Should” means a procedure is recommended.
c. “May” or “need not” means a procedure is
optional.
d. “Will” means futurity, not a requirement for
application of a procedure.
e. Singular words include the plural.
f. Plural words include the singular.
g. “Aircraft” means the airframe, crew members,
or both.
h. “Altitude” means indicated altitude mean sea
level (MSL), flight level (FL), or both.
i. “Miles” means nautical miles unless otherwise
specified and means statute miles in conjunction with
visibility.
j. “Time,” when used for ATC operational
activities, is the hour and the minute/s in Coordinated
Universal Time (UTC). Change to the next minute is
made at the minute plus 30 seconds, except time
checks are given to the nearest quarter minute. The
word “local” or the time zone equivalent shall be
stated when local time is given during radio and
telephone communications. The term “ZULU” may
be used to denote UTC.
1-2-2. NOTES
Statements of fact or of an explanatory nature and
relating to the use of directive material have been
identified and worded as “Notes.”
1-2-3. JO 7110.10 CHANGES
a. Each reprinted, revised, or additional page will
show the change number and the effective date of the
change.
b. Bold lines in the margin of the text will mark the
location of all changes except editorial corrections.
1-2-4. ABBREVIATIONS
Abbreviations authorized for use in the application of
the procedures in this order are those contained in
FAAOJO7340.2, Contractions.
NOTEIn
this order, the abbreviation M1 identifies Model 1 Full
Capacity procedures, AISR identifies AISR procedures,
and OASIS identifies Operational and Supportability
Implementation System procedures. Additional abbreviations
associated with OASIS are:
WINGS - Weather Information and Navigational
Graphics System, and
WIND - Weather Information Network Display.
1-2-5. EXAMPLES
Any illustration used which serves to explain subject
material is identified as an “Example.”
1-2-6. PHRASEOLOGY
Phraseology depicted in this order is mandatory.
NOTEExceptions
to this para are referenced in para 5-1-1, and
para14-1-2 Note.
7/31/08 JO 7110.10T CHG 1
2/14/08 JO 7110.10T
Responsibility 1-3-1
Section 3. Responsibility
1-3-1. PROCEDURAL APPLICATIONS
Apply the procedures in this order, except when other
procedures are contained in a letter of agreement
(LOA) or other appropriate FAA documents,
provided they only supplement this order and any
standards they specify are not less than those in this
order.
NOTE-
1. Pilots are required to abide by applicable provisions of
14 CFR or any other pertinent regulations regardless of
the application of any procedure in this order.
2. FAAO JO 7210.3, Facility Operation and Administration,
contains administrative instructions pertaining to
these letters and documents.
1-3-2. DUTY PRIORITY
Because there are many variables involved, it is
impossible to provide a standard list of duty priorities
that apply to every situation. Each set of
circumstances must be evaluated on its own merit,
and when more than one action is required, personnel
shall exercise their best judgment based on the facts
and circumstances known to them. Action which
appears most critical from a safety standpoint should
be performed first.
a. The following order of duty priorities is offered
as a guideline.
1. Emergency Situations.
2. Inflight Services.
3. Preflight Services.
b. Emergency situations are those where life or
property is in immediate danger. Inflight services are
those provided to or affecting aircraft in flight or
otherwise operating on the airport surface. This
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