This was definitely not an airplane, there was a noticeable brightening just before it disappeared. It was located in a clear area of sky, absent of clouds and with visible stars.
Location
Address
Myrtle Beach, SC
Latitude
33° 40' 30.11'' N (33.67503°)
Longitude
78° 53' 53'' W (-78.898055°)
Elevation
4.293m
Time and Duration
Local Date & Time
2016-09-23 22:36 EDT
UT Date & Time
2016-09-24 02:36 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
98°
Moving
Facing azimuth
122.96°
First azimuth
88.73°
First elevation
57°
Last azimuth
128.41°
Last elevation
35°
Brightness and color
Stellar Magnitude
-18
Color
Orange
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Just before it fizzled, it appeared to get slightly brighter and more orange.