P I R E P 1 . DATE/TIME  PIREP  RECEIVED ( Z ) 2   . LOCATION   AND/OR   EXTENT   OF   PHENOMENA 3   . TIME  OBSERVED ( Z ) 4   . PHENOMENA AND ALTITUDE 5  . AIRCRAFT   TYPE Legend         =   SPACE * CAT/CHOP OR BLANK * * ONLY IF DIFFERENT FROM FL (U) UA   /OV /TM     /FL      /TP     MSG  TYPE LOCATION  OF  PHENOMENA  -  4  letter  ID,  RADIAL/DISTANCE    TIME  (Z) FLT  LVL TYPE  ACFT /SK    /WX    /TA    SKY CONDITIONS - AMOUNT/BASE/TOPS FLIGHT   VISIBILITY   AND/OR   WEATHER   CONDITIONS TEMPERATURE  °C /WV   / T B     /  I  C      WIND   (DIR/SPD) TURBULANCE    INTENSITY TYPE*   ALTITUDE** ICING INTENSITY TYPE ALTITUDE** /RM   REMARKS PLAIN TEXT WITH APPROPRIATE ABBREVIATIONS (MOST HAZARDOUS ELEMENT FIRST) 6.  EVALUATION  FOR  DISSEMINATION  (MARK  "A"  OR  "B",  AND  "C"  AS  APPROPRIATE) INITIALS A . LOCAL    DISSEMINATION B   .   LONGLINE  DISSEMINATION C   . FOR USE IN SURFACE FCSTR OBSRV OBSERVATION N M O C    3 1 4 0 / 1 0    ( R E V .    7 / 9 6 ) S / N    0 1 0 8 - L F - 1 1 3 - 4 7 0 0 AGM2f301 Figure 3-1.—NMOC 3140/10, the PIREP report form. Locations   are   referenced   only   with   respect   to electronic  navigation  aid  stations  using  VOR  (very- high-frequency  omnidirectional  range),  TACAN (tactical  air  navigation).  or  VORTAC  (a  combined facility). These locations are identified using the three- letter national identifier, as listed in FAA Order 7350.6, Location  Identifiers. The  DOD  Flight  Information Publication  (Enroute)  and  IFR  Supplement  lists  all VHF, TACAN, and VORTAC facilities, along with the facility’s   four-letter   International   Civil   Aviation Organization (ICAO) identifier. The last three letters of the  ICAO  identifier  are  the  national  identifier.  For example:  NAS  Norfolk  (Chambers  Field)  has  a national  identifier  NGU  while  the  ICAO  identifier  is KNGU. The K is the Country code for the continental United States. The   Text   Element   Indicators   (TEIs).   a   slash followed by a two-letter abbreviation, are used in the code to indicate which element is being reported (refer to  fig.  3-1).  TEIs  are  included  in  the  coded  PIREP before  each  reported  element,  but  is  omitted  if  that element is not being reported. The type of information that follows each TEI is indicated on the PIREP code form below the space provided. An arrow after the TEI means  a  space  must  follow  the  TEI  before  the abbreviated information. Table 3-6 gives the different TEIs used, the meaning of each, and examples of entries for each TEI. The  PIREP  code  is  fairly  flexible  concerning entries  for  each  element. As  long  as  standard abbreviations   are   used,   nearly   all   significant information may be reported. Reports of elements that are  difficult  to  encode  after  a  TEI,  such  as  low-level wind shear, are entered after the last TEI - "/RM" for remarks. The reported occurrence of a tornado, funnel cloud, or waterspout may be abbreviated in the "/WX" weather  TEI.  However,  when  any  of  these  three elements occur, they must be spelled out in the "/RM" remarks  TEI,  along  with  any  supplemental  information, such as the approximate location, direction, and speed of movement. 3-7