When a Missed Approach has been executed.
If an altitude change will be made when operating on a clearance specifying
"VFR conditions on top."
When changing TAS by 5% or 10 knots (whichever is greater) from that filed
in the flight plan.
The time and altitude upon reaching a holding fix or a point to which cleared.
vii. When leaving any assigned holding fix or point.
viii. Any loss in controlled airspace of VOR or TACAN receiver capability,
complete or partial loss of ILS receiver capability, or impairment of
air/ground communications capability.
When encountering weather conditions which have not been forecast, or
hazardous conditions which have been forecast.
Any information relating to the safety of flight.
When not in radar contact:
Items "i" through "x" above.
A corrected estimate at any time it becomes apparent that an estimate as
previously submitted is in error in excess of three minutes.
FAF inbound on final approach.
In addition to the previous requirements, you should comply with any additional reports
requested by ATC whether in a radar or nonradar environment. Some of the requests you may
expect on occasion follow. ATC may ask you to:
Report reaching or passing a specific altitude.
Report "VOR outbound."
Report "Procedure Turn inbound."
Report the field in sight.
Report a specific fix or intersection.
RADIO INSTRUMENTS COMMUNICATIONS 5-3