OR b)  the ICAO designator for the aircraft operating agency followed by the flight identification (e.g. KLM511, NGA213, JTR25) when in radiotelephony the call sign to be used by the aircraft will consist of the ICAO telephony designator for the operating agency followed by the flight identification (e.g. KLM511, NIGERIA 213, HERBIE 25).
Note.— Provisions for the use of radiotelephony call signs are contained in Annex 10, Volume II, Chapter 5. ICAO designators and telephony designators for aircraft operating agencies are contained in Doc 8585 — Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services.
ITEM 8: FLIGHT RULES AND TYPE OF
FLIGHT (ONE OR TWO CHARACTERS)

Flight rules

INSERT  one of the following letters to denote the category of flight rules with which the pilot intends to comply:
I if IFR Vif VFR Y if IFR first) and specify in Item 15 the point or Z if VFR first) points where a change of flight
rules is planned.
Type of flight

INSERT  one of the following letters to denote the type of flight when so required by the appropriate ATS authority:
S if scheduled air service N if non-scheduled air transport operation

A2-4  Rules of the Air and Air Traffic Services (PANS-RAC) 
G M X  if general aviation if military if other than any of the defined categories above.  ITEM 10:  EQUIPMENT 
Radio communication, navigation and approach aid equipment 

ITEM 9: NUMBER AND TYPE OF AIRCRAFT AND WAKE TURBULENCE CATEGORY

Number of aircraft (1 or 2 characters)
INSERT the number of aircraft, if more than one.
Type of aircraft (2 to 4 characters)
INSERT  the appropriate designator as specified in ICAO Doc 8643, Aircraft Type Designators,
OR,  if no such designator has been assigned, or in case of formation flights comprising more than one type,
INSERT  ZZZZ, and SPECIFY in Item 18, the (numbers and) type(s) of aircraft preceded by TYP/   .
Wake turbulence category (1 character)
INSERT  an oblique stroke followed by one of the following letters to indicate the wake turbulence category of the aircraft:
H —  HEAVY, to indicate an aircraft type with a maximum certificated take-off mass of 136 000 kg or more;
M —  MEDIUM, to indicate an aircraft type with a maximum certificated take-off mass of less than 136 000 kg but more than 7 000 kg;
L —  LIGHT, to indicate an aircraft type with a maximum certificated take-off mass of 7 000 kg or less.

INSERT  one letter as follows: 
N if no COM/NAV/approach aid equipment for the route to be flown is carried, or the equipment is unserviceable, 
OR  S if standard COM/NAV/approach aid equipment for the route to be flown is carried and serviceable (see Note 1), 

AND/OR
INSERT  one or more of the following letters to indicate the COM/NAV/approach aid equipment available and serviceable:
A  (Not allocated)  M  Omega 
B  (Not allocated)  O  VOR 
C  LORAN C  P  (Not allocated) 
D  DME  Q  (Not allocated) 
E  (Not allocated)  R  RNP type certification 
F  ADF  (see Note 5) 
G  (GNSS)  T  TACAN 
H  HF RTF  U  UHF RTF 
I  Inertial Navigation V  VHF RTF 
J  (Data Link)  W 
(see Note 3)  X  }when prescribed 
K  (MLS)  Y  by ATS 
L  ILS  Z  Other equipment 
carried (see Note 2). 

Note 1.— Standard equipment is considered to be VHF RTF, ADF, VOR and ILS, unless another combination is prescribed by the appropriate ATS authority.
　
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