Table:
0
A
B
C
D
E
F
1
Airline
Fleet Size
Notes
IOSA (IATA)
EASA (EU)
IASA (FAA)
2
EastIndo
6
AOC 135
NO
NO
YES
3
Nusantara Buana Air
3
AOC 135
NO
NO
YES
4
Premiair
7
PT Ekspres Transportasi Antarbenua AOC 135
NO
YES
YES
5
Sabang Merauke Raya Air Charter
4
AOC 135
NO
NO
YES
6
Transwisata Prima Aviation
6
AOC 135
NO
NO
YES

Questions and formulas:
Question: What is the EASA (EU) when the notes show aoc 135?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="aoc 135"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6="aoc 135"),5))
Level: medium
Question: What is the Notes when the fleet size is 3?
Formula: LET(query1,SUMMARIZE(C1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=3))
Formula2: LET(query1,SUMMARIZE(C2:C6,SUMX(B2:B6)),FILTER(query1,CHOOSECOLS(query1,2)=3))
Level: hard
Question: What is the Fleet Size when the EASA (EU) is no?
Formula: SUMIFS(B1,E1,"no")
Formula2: SUMIFS(B2:B6,E2:E6,"no")
Level: easy
Question: hat is the Airline when the EASA (EU) is yes?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="yes"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,E2:E6="yes"),1))
Level: medium
Question: What is the Airline when the notes show aoc 135?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="aoc 135"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,C2:C6="aoc 135"),1))
Level: medium