<Table> <Tr> <Th_colspan="2"> "Flight" </Th> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy episode </Td> </Tr> <Tr> <Td_colspan="2"> Shepherd's mangled hand, following an aviation accident . </Td> </Tr> <Tr> <Th> Episode no . </Th> <Td> Season 8 Episode 24 </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Rob Corn </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Shonda Rhimes </Td> </Tr> <Tr> <Th> Featured music </Th> <Td> <Ul> <Li> "Featherstone" </Li> <Li> "Graveyard" </Li> </Ul> </Td> </Tr> <Tr> <Th> Original air date </Th> <Td> May 17, 2012 (2012 - 05 - 17) </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 43 minutes </Td> </Tr> <Tr> <Th_colspan="2"> Guest appearance (s) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Jason George as Dr. Ben Warren </Li> <Li> James LeGros as Jerry </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Episode chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← Previous "Migration" </Td> <Td> Next → "Going, Going, Gone" </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Grey's Anatomy (season 8) List of Grey's Anatomy episodes </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "Flight" </Th> </Tr>

When did the plane crash happen in greys anatomy
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