Garmin G1000:Piper Pilot's Manual page 223

Deleting the exit waypoint (TXK), causes the airway header to change:
ABI
Airway – V16.PRX
UKW
BYP
PRX
Since the exit waypoint of one airway is often the entry waypoint of the next airway, it is also possible that
two adjacent airway segments can be modified when a single waypoint is inserted or deleted.
At minimum, an airway segment consists of two waypoints.
transaction that would create an airway segment that is not at least two waypoints long. For example,
deleting UKW from the previous example creates ABI-BYP as an off-airway sequence ahead of a single V16
airway segment:
ABI
BYP
Airway – V16.PRX
PRX
What happens if a waypoint is deleted from within an airway and subsequently re-inserted it into the
original spot?
example, re-inserting UKW restores the original airway waypoint sequence, but the Airway header does not
get restored (the system sees UKW as just another off-airway waypoint that is being inserted):
ABI
UKW
BYP
Airway – V16.PRX
PRX
Airway "optional" waypoints can be inserted or deleted in airway segments without breaking the airway
into pieces. In addition, inserting or deleting a VNV ATK Offset waypoint is always allowed on an airway
without affect on the airway.
190-00692-00 Rev. B
The system does not restore the original airway arrangement. Continuing the previous
Garmin G1000 Pilot's Guide for Piper PA32
GPS NAVIGATION
The airway header is removed for any
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