The "Pilot" stroller primarily refers to 
popular ultra-compact travel strollers from brands like Evenflo, designed specifically for portability and air travel. 
 
Evenflo Pilot Series
Evenflo Pilot
 is a highly-rated cabin-sized stroller known for its portability. 
Key Features: One-hand quick fold, self-standing when folded, and an aluminum lightweight frame (approx. 6kg).
Suitability: Designed for infants from birth (0 months) up to approximately 3 years (15kg).
Travel-Ready: Fits into most overhead airplane compartments and small car trunks.
Variants:
Pilot LX
: Often features premium fabrics, a larger storage basket, and 360° rotatable wheels.