787 KSV STUDY GUIDE 2026 EXAM Q&A
GRADED A+
◉ How would you make an interphone call to a specific door (L/R) on
the 787? Answer: 1L/R: 11
2L/R: 22
3L/R: 33
4L/R: 44
(followed by reset)
◉ How would you make an all-call on the 787? Answer: 5-4-RESET
◉ How would you call the flight deck for a routine call? Answer: 3-1-
RESET
◉ How would you call the Flight Deck in an emergency? Answer: star-
star-RESET
◉ How long does Oxygen flow on the 787? Answer: 22 mins.
A green O2 flow indicator on the ceiling confirms oxygen is flowing.
, ◉ How many masks above each jumpseat in the 787? Answer: 1
◉ How many Oxygen masks in each lav? Answer: 2
◉ How would you open the PSU manually if it failed to open in a
decompression? (Note: NOT a MRT or stick-lile object). Answer: Push
on the circular end of the latch button, then grasp firmly and pull straight
down. Keep latch button fully extended and rotate 180° clockwise to
release the hatch.
◉ What are the signs of a decompression in a 787? Answer: -The fasten
seatbelt sign auto illuminates; 1 lo chime
-Cabin lights auto bright
-A "decompression" popup message is displayed if lighting changes are
attempted.
-All O2 mask compartments open
-Return to seat sign in lav remains OFF
-5 chimes sound throughout the cabin
GRADED A+
◉ How would you make an interphone call to a specific door (L/R) on
the 787? Answer: 1L/R: 11
2L/R: 22
3L/R: 33
4L/R: 44
(followed by reset)
◉ How would you make an all-call on the 787? Answer: 5-4-RESET
◉ How would you call the flight deck for a routine call? Answer: 3-1-
RESET
◉ How would you call the Flight Deck in an emergency? Answer: star-
star-RESET
◉ How long does Oxygen flow on the 787? Answer: 22 mins.
A green O2 flow indicator on the ceiling confirms oxygen is flowing.
, ◉ How many masks above each jumpseat in the 787? Answer: 1
◉ How many Oxygen masks in each lav? Answer: 2
◉ How would you open the PSU manually if it failed to open in a
decompression? (Note: NOT a MRT or stick-lile object). Answer: Push
on the circular end of the latch button, then grasp firmly and pull straight
down. Keep latch button fully extended and rotate 180° clockwise to
release the hatch.
◉ What are the signs of a decompression in a 787? Answer: -The fasten
seatbelt sign auto illuminates; 1 lo chime
-Cabin lights auto bright
-A "decompression" popup message is displayed if lighting changes are
attempted.
-All O2 mask compartments open
-Return to seat sign in lav remains OFF
-5 chimes sound throughout the cabin
