Air Traffic Control in the USA: reading answers and analysis
How air traffic control in the United States grew from flags and lights in the 1920s into a full system after a 1956 crash over the Grand Canyon led to the FAA. The passage explains controlled and uncontrolled airspace, the visual and instrument flight rules, and the lettered classes of airspace from A to F.
The headings (14-19) run A, C, D, E, F, G with B given as the example. The TRUE / FALSE / NOT GIVEN block (20-26) restarts in A and follows the passage down to G, but Q24 needs E and G together.
Answer key and self-check
Type what you wrote and hit mark. Hide the key first if you haven't done the passage yet. Every question number jumps to its explanation.
How to attack this block: Several headings fit one detail but not a whole paragraph: licences and disobeying rules both come from single sentences in F and G. Separate E (heights: controlled versus uncontrolled) from G (the lettered classes). C's key word is 'fortuitous', which points to lucky timing.
Question 14
Answer: iiParagraph A, first sentence
Which heading sums up paragraph A?
An accident that occurred in the skies over the Grand Canyon in 1956 resulted in the establishment of the Federal Aviation Administration (FAA)
Question says → Passage says
aviation disasterAn accident that occurred in the skies over the Grand Canyon
prompts actionresulted in the establishment of the Federal Aviation Administration
Why: Paragraph A is cause and effect: a crash happened, and the government responded by setting up the FAA. 'Disaster' is the crash and 'action' is the new body that regulates the skies.
The trap: x, 'First steps towards ATC', looks like a story of beginnings, but it's the example heading for B, and A isn't about the first ATC at all. It's about the FAA.
Question 15
Answer: iiiParagraph C
Which heading fits paragraph C?
this was fortuitous, for the advent of the jet engine suddenly resulted in a large number of very fast planes
Question says → Passage says
coincidentalfortuitous
two developmentsthe creation of the FAA… the advent of the jet engine
Why: 'Fortuitous' means lucky timing. The FAA's full-scale regulation arrived just as jet engines filled the sky with very fast planes. Two things happening at the same convenient moment is a coincidence.
The trap: Radar and radio from the Second World War are also in C, so people pick a heading about early ATC. Those are background. The paragraph's point is the lucky timing of the FAA and the jet engine.
Question 16
Answer: vParagraph D, first two sentences
Which heading matches paragraph D?
Many people think that ATC consists of a row of controllers sitting in front of their radar screens… This is a very incomplete part of the picture.
Question says → Passage says
oversimplified viewMany people think… This is a very incomplete part of the picture
Why: D opens with a popular picture of ATC (controllers at radar screens) and then calls it 'very incomplete'. A view that leaves most of the picture out is an oversimplified one.
The trap: The end of D mentions weather and different kinds of planes, which points towards viii. Those are only hints of what comes next. The weather rules themselves are in F.
Question 17
Answer: ivParagraph E
Which heading suits paragraph E?
In general, from 365m above the ground and higher, the entire country is blanketed by controlled airspace.
Question says → Passage says
altitude365m above the ground / 215m above the ground
Why: E is full of heights: 365m, 215m, down to the surface. It explains where controlled airspace starts and stops, which is dividing the sky into zones by altitude.
The trap: vii, 'Defining airspace categories', sounds very close. But the lettered classes (A to F) are in G. E only splits the sky into controlled and uncontrolled by height.
Question 18
Answer: viiiParagraph F, first three sentences
Which heading goes with paragraph F?
In good meteorological conditions, flying would be permitted under Visual Flight Rules (VFR)… Poor visibility necessitated a set of Instrumental Flight Rules (IFR)
Why: F gives two sets of rules, one for good weather (VFR) and one for poor visibility (IFR). 'Meteorological' is the formal word for weather.
The trap: vi, 'Controlling pilots' licences', is tempting because the last sentence mentions an instrument rating and a licence. That's one detail at the end, not what the paragraph is about.
Question 19
Answer: viiParagraph G, first sentence
Which heading fits paragraph G?
Controlled airspace is divided into several different types, designated by letters of the alphabet.
Question says → Passage says
definingdesignated
airspace categoriesseveral different types / Class F / Class E / Class A
Why: G is a tour of the airspace classes: F, E, A, then D, C and B near airports. Each one is defined by height, location and the rules inside it.
The trap: i, 'Disobeying FAA regulations', comes from G's last sentence about a pilot losing their licence. That's a single example, not the main idea.
TRUE / FALSE / NOT GIVEN
Questions 20-26
How to attack this block: Three FALSE answers each swap a detail: the cause of the FAA, the start date of ATC, and which class is all-IFR. Watch 'respectively' in G for the Class C question, and combine two paragraphs for the Class F one. The beacons question is NOT GIVEN because nothing is said about today.
Question 20
Answer: FALSEParagraph A, first sentence; Paragraph C
Was the FAA set up because of the jet engine?
An accident that occurred in the skies over the Grand Canyon in 1956 resulted in the establishment of the Federal Aviation Administration (FAA)
Question says → Passage says
created as a result ofresulted in the establishment of
Why: The passage gives a different cause: the Grand Canyon accident. The jet engine arrived around the same time, and C calls that lucky timing, not the reason for the FAA. A different cause means FALSE.
The trap: C does link the jet engine and the FAA, so it's easy to read one as causing the other. 'Fortuitous' tells you they just happened together.
Question 21
Answer: FALSEParagraph B, first two sentences
Did ATC only begin after the 1956 crash?
Rudimentary air traffic control (ATC) existed well before the Grand Canyon disaster. As early as the 1920s
Question says → Passage says
started after the Grand Canyon crashexisted well before the Grand Canyon disaster
Why: B says ATC existed 'well before' the crash, as early as the 1920s. 'Before' directly contradicts 'started after', so FALSE.
The trap: What started after 1956 was the FAA and full-scale regulation. Don't mix up the FAA with ATC itself.
Question 22
Answer: NOT GIVENParagraph B, second sentence
Does ATC still use beacons and flashing lights?
beacons and flashing lights were placed along cross-country routes to establish the earliest airways
Question says → Passage says
beacons and flashing lightsbeacons and flashing lights
Why: The passage mentions beacons only in the 1920s, as part of the earliest airways. It never says whether they're used today, so NOT GIVEN.
The trap: B says the visual system was 'useless in bad weather' and radio took over. That suggests they faded out, but it never says they stopped being used. Suggestion isn't enough for FALSE.
Question 23
Answer: TRUEParagraph C, first sentence
Did radio communication get better during the Second World War?
ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War
Question says → Passage says
improvements were made in radio communicationimproved radio communication
during World War IIbrought about by the Second World War
Why: 'Improved radio communication brought about by the Second World War' says exactly that the war led to better radio. TRUE.
The trap: The next words, 'the system remained rudimentary', make some people answer FALSE. That's about ATC as a whole, not about the radio improvements.
Question 24
Answer: TRUEParagraph E and Paragraph G, second sentence
Is Class F the uncontrolled airspace under 365m away from airports?
from 365m above the ground and higher, the entire country is blanketed by controlled airspace… Uncontrolled airspace is designated Class F
Question says → Passage says
Class F airspaceUncontrolled airspace is designated Class F
below 365mfrom 365m above the ground and higher… controlled airspace
not near airportsmainly near airports, controlled airspace extends down to 215m
Why: You need two paragraphs. G says Class F is uncontrolled airspace. E says everything from 365m up is controlled, and near airports control reaches lower still. So uncontrolled airspace is what's left: below 365m and away from airports. TRUE.
The trap: Neither paragraph says it in one sentence, so people answer NOT GIVEN. Join E and G and the statement is fully supported.
Question 25
Answer: FALSEParagraph G, middle
Do all planes in Class E have to fly under IFR?
The difference between Class E and A airspace is that in Class A, all operations are IFR
Question says → Passage says
All aircraft… must use IFRall operations are IFR
Why: All-IFR is the rule for Class A, and the passage presents it as the difference between A and E. So Class E isn't all IFR. Paragraph F also says pilots in controlled airspace can choose VFR on a clear day. FALSE.
The trap: The phrase 'all operations are IFR' is right there, so a quick scan says TRUE. Check which class it belongs to: A, not E.
Question 26
Answer: TRUEParagraph G, second half
Is Class C airspace over a medium-sized city?
Three other types of airspace, Classes D, C and B, govern the vicinity of airports. These correspond roughly to small municipal, medium-sized metropolitan and major metropolitan airports respectively
Question says → Passage says
average-sized citymedium-sized metropolitan
Why: 'Respectively' lines the lists up: D is small, C is medium-sized, B is major. Medium-sized metropolitan means an average-sized city. TRUE.
The trap: If you don't follow 'respectively', you might match C with 'small municipal' (first in the second list) and answer FALSE. Match the orders one to one.
E and G both sound like 'airspace categories'. E divides the sky by height into controlled and uncontrolled, so it's altitude zones; the lettered classes are G.
'All operations are IFR' is about Class A, not E. The passage gives it as the difference between the two.
Words from this passage worth keeping
congested(A)
crowded with too much traffic
rudimentary(B)
basic and undeveloped
fortuitous(C)
happening by lucky chance
advent(C)
the arrival of something new
accommodate(D)
make room for or allow for
blanketed(E)
completely covered
necessitated(F)
made something necessary
rigorous(G)
strict and demanding
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The full Cambridge 8 Test 1 reading paper: all three passages, 60 minutes, marked the second you finish with a review of every answer. Already done it? Take it again and see if the same traps still get you.
Cambridge IELTS 8, Test 1, Reading Passage 2. The passage and questions belong to Cambridge University Press and are not reproduced here. We quote short extracts only as evidence for our own commentary, and the answers are published for self-marking. Get the book for the full text, or sit the test on Langujet.
