BendixKing KAC 503 - Supplemental System FIS - Manual (Page 11)

Rev 1 Oct. 2003
7
LGT - Light - Momentarily causes slight, erratic changes in alti-
tude and/or attitude.
MOD - Moderate - Greater intensity changes in altitude and/or
attitude, but aircraft remains in positive control at all times.
Usually causes changes in indicated airspeed.
SEV - Severe - Causes large and abrupt changes to aircraft alti-
tude and/or attitude. Large variations in indicated airspeed and
momentary loss of control.
EXTRM - Extreme - Aircraft is violently tossed about and is nearly
impossible to control. May cause structural damage.
/IC: Icing (refer to the Airman’s Information Manual)
CLR - Clear
MX - Mixed (combination of rime and clear icing)
NEG - No Icing
ABV - Above
BLO - Below
Trace - Ice becomes perceptible. Rate of evaporation is almost
equal to the rate of accumulation. Deicing/anti-icing equipment is
not utilized unless encountered for a period of time greater than 1
hour.
LGT - Light - Rate of accumulation may be a problem if flight is
prolonged for longer than 1 hour without deicing/anti-icing equip-
ment. Deicing/anti-icing removes and/or prevents accumulation.
MOD - Moderate - The rate of accumulation is such that even
short encounters become potentially hazardous. Use of
deicing/anti-icing equipment or diversion is necessary.
SEV - Severe - Flight diversion is necessary. Deicing/anti-icing
equipment is not effective.
/RM: Remarks (for reporting elements not included or to clarify previ-
ously reported items). Remarks can include anything. The
example translates to “moderate (MDT) mixed (MXD) icing during
climb (DURGC) from Roanoke, VA (KROA) northwestbound
(NWBND) between Flight Level 080 and 100 (FL080100) at
1750Z”.