a. Type or condition of runway, ramp, or taxiway.
b. Length of tow.
c. Size and design of tow vehicle and equipment.
d. Tire tread design of airplane and tug.
e. Condition of wheel brakes.
f. Number of turns, corners, or changes in travel
direction.
g. Visibility to both crew members.
h. Weather conditions.
i. Other hazards that warrant additional safety
précautions.