NRG-500 Challenge

Mission
NRG Challenge
Game	GTA San Andreas
Protagonist	Carl Johnson
Objective	Collecting eighteen floating coronas.
Location	Easter Basin, San Fierro
Fail	Failing to collect all eighteen coronas.; Destroying the NRG-500; Failing to get back on the NRG-500 after falling off.
Unlocked by	Getting on the NRG-500.
Time Limit	10 seconds (additional 10 seconds for each corona collected); 15 seconds (additional 15 seconds for each corona collected, mobile versions only)
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NRG-500 Challenge is a side mission in Grand Theft Auto: San Andreas. The mission is started by entering a parked NRG-500 at a dry dock in Easter Basin, San Fierro. The goal is to collect 18 floating coronas around the dry dock before the countdown timer runs out of time. The countdown timer starts at 10 seconds when the cutscene ends. Each corona will add 10 seconds to the timer. The reward for completing this mission is $1,000 and a step closer to completion.

Trivia

There is a glitch that makes this side-mission very easy to accomplish in the PC version. Simply wait down to literally the last fraction of a second on the clock (0.00 just about to tell you that you lost) and collect another corona. Immediately the clock will disappear, leaving the player any amount of time to complete it.

Video walkthrough

PC Version - GTA Series Videos