Table:
0
A
B
C
D
E
F
G
1
Test flight
Date
Speed
Altitude
Crew
Duration
Comment
2
Taxi test #1
February 15, 1977
mph (km/h)
taxi
none
taxi
Concrete runway, tailcone on
3
Taxi test #2
February 15, 1977
mph (km/h)
taxi
none
taxi
Concrete runway, tailcone on
4
Taxi test #3
February 15, 1977
mph (km/h)
taxi
none
taxi
Concrete runway, tailcone on
5
Captive-inert flight #1
February 18, 1977
mph (km/h)
16,000ft 4,877 m
none
2 h 5min
Tailcone on, landed with 747
6
Captive-inert flight #2
February 22, 1977
mph (km/h)
22,600ft 6,888 m
none
3 h 13min
Tailcone on, landed with 747
7
Captive-inert flight #3
February 25, 1977
mph (km/h)
26,600ft 8,108 m
none
2 h 28min
Tailcone on, landed with 747
8
Captive-inert flight #4
February 28, 1977
mph (km/h)
28,565ft 8,707 m
none
2 h 11min
Tailcone on, landed with 747
9
Captive-inert flight #5
March 2, 1977
mph (km/h)
30,000ft 9,144 m
none
1 h 39min
Tailcone on, landed with 747
10
Captive-active flight #1
June 18, 1977
mph (km/h)
14,970ft 4,563 m
Haise , Fullerton
55min 46 s
Tailcone on, landed with 747
11
Captive-active flight #2
June 28, 1977
mph (km/h)
22,030ft 6,715 m
Engle , Truly
62min 0 s
Tailcone on, landed with 747
12
Captive-active flight #3
July 26, 1977
mph (km/h)
30,292ft 9,233 m
Haise , Fullerton
59min 53 s
Tailcone on, landed with 747
13
Free flight #1
August 12, 1977
mph (km/h)
24,100ft 7,346 m
Haise , Fullerton
5min 21 s
Tailcone on, lakebed landing
14
Free flight #2
September 13, 1977
mph (km/h)
26,000ft 7,925 m
Engle , Truly
5min 28 s
Tailcone on, lakebed landing
15
Free flight #3
September 23, 1977
mph (km/h)
24,700ft 7,529 m
Haise , Fullerton
5min 34 s
Tailcone on, lakebed landing
16
Free flight #4
October 12, 1977
mph (km/h)
22,400ft 6,828 m
Engle , Truly
2min 34 s
Tailcone off, lakebed landing
17
Free flight #5
October 26, 1977
mph (km/h)
19,000ft 5,791 m
Haise , Fullerton
2min 1 s
Tailcone off, runway landing

Questions and formulas:
Question: What is Duration, when Test Flight is Taxi Test #2?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="taxi test #2"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,A2:A17="taxi test #2"),6))
Level: medium
Question: What it Duration, when Test Flight is Free Flight #3?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="free flight #3"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,A2:A17="free flight #3"),6))
Level: medium
Question: What is Date, when Comment is Tailcone On, Lakebed Landing, and when Duration is 5min 34 s?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(G1="tailcone on, lakebed landing")*(F1="5min 34 s")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,(G2:G17="tailcone on, lakebed landing")*(F2:F17="5min 34 s")),2))
Level: medium
Question: What is Crew, when Date is July 26, 1977?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="july 26, 1977"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G17,B2:B17="july 26, 1977"),5))
Level: medium