Frasca 141 «iPhone POPULAR»

– a model of flight simulator manufactured by Frasca International , a well-known company producing aviation training devices. The “141” typically refers to a specific model of their Basic Aviation Training Device (BATD) or an older analog simulator used for instrument training (e.g., Frasca 141, 142, etc.).

The most common reference in academic or technical literature is: frasca 141