useless trivia: What Word Means: Containing An Amine United With A Nonacid Radical?

Questions

This was the first airline to require the its pilots have a flight plan, flight log, flight clearance, and cockpit check lists?

The first dog in space was named _________?

What do you call the person who institutes a suit in a court?

Left?

What sculpture, the most often viewed work at St. Peter's Basilica, is the only one Michelangelo ever signed?