Cassidy, driving for Envision Virgin Racing, which counts three wins on the Pink Hook circuit, was solely the third driver to take to the observe within the top-six superpole shootout.
With three quickest sectors, his 1m09.336s effort sealed provisional pole by some zero.2s and he survived the superior of champions Vergne and Sebastien Buemi to land a second pole after Rome – when the Tremendous GT and Tremendous Components champion span out on the opening lap.
DS Techeetah driver Vergne had eclipsed Cassidy by the center sector however for the zero.1s he gained, he misplaced that point once more in each the primary and remaining sectors to land second place.
He ran zero.161s adrift of Kiwi Cassidy however beat first superpole runner Alex Lynn to the entrance row, beating the spectacular effort of the Mahindra Racing driver by zero.039s.
Lynn, who scored pole in New York Metropolis on his sequence debut again in 2017, will begin alongside BMW Andretti’s Maximillian Guenther as Buemi will line up fifth.
With a brand new gearbox, motor and invertor aboard his Nissan e.dams machine and carrying the benefit of a gaggle 4 operating order, Buemi’s tepid season appeared to show a nook when he topped the group phases.
However the 2015-16 champion suffered a heavy lock up into Flip 1 to instantly stymy his remaining flying lap and he ran to fifth forward of a subdued effort for Pascal Wehrlein.
The Porsche driver, disqualified from his and the producer’s maiden win in Puebla, accomplished the quickest remaining sector of the day however ran zero.414s off Cassidy’s tempo.
Lucas di Grassi, assured the bumpy New York Metropolis circuit mimics the character of the Rome observe on which he led previous to a driveshaft failure, was the primary to overlook superpole.
The Audi driver, who led a group 1-2 within the Puebla opener final outing, was pipped to the top-six cut-off by Lynn by simply zero.013s however beat a recovering Oliver Rowland’s second effort.
Rowland was the reason for a weird crimson flag incident through the second group section.
The Nissan e.dams cost entered Flip 1 of his flying lap however clipped the tall inside kerb on the apex, which despatched his automotive right into a spin, with the rear then gathering Sam Chook.
Chook, who was ready to participate within the session after a mammoth tub construct for Jaguar Racing following an uncharacteristic error in free follow, admitted his automotive steadiness was wayward.
Edoardo Mortara, Venturi Racing, Silver Arrow 02
Photograph by: Andrew Ferraro / Motorsport Images
That turned his qualifying entry into an efficient additional shakedown interval, which means he slowed on the exit of the opening right-hander to provide Rowland area on his flier.
However as Rowland rotated, the rear of his automotive flicked spherical and pincered Chook by the wall.
The session was finally resumed with all six vehicles ready to participate, and double Mexico front-row starter Rowland snared eighth forward of Alexander Sims and Andre Lotterer.
One other main headline was created by Edoardo Mortara, who at present leads the standings by a relatively lofty 10 factors forward of the ultimate three double-headers of the season.
The Venturi Racing driver knocked the situation swap on his steering wheel, which took his Mercedes buyer automotive out of the 250kW full energy mode and right into a decrease 200kW setting.
That price him 1.63s on the time and places him final on the grid, having fallen foul of an analogous concern that effected the work Mercedes automotive of Nyck de Vries in Monaco qualifying in Could.
This incident gave his title rivals respiration area within the unfavoured group one battle on a relatively inexperienced floor, with present runner-up Robin Frijns edging out his rivals.
The Envision Virgin Racing driver ran to 11th forward of Dragon Penske Autosport’s group 4 entrant Sergio Sette Camara after which defending champion Antonio Felix da Costa.
Behind Oliver Turvey and BMW Andretti rookie Jake Dennis, the Jaguar machine of Mitch Evans nabbed 16th with the second NIO 333 of Tom Blomqvist set to begin in 17th.
One other stunted session from Mercedes put de Vries simply 18th forward of Norman Nato and a subdued Chook, whereas Stoffel Vandoorne’s shot at pole was ruined by a gradual final sector.
The Silver Arrows 02 driver, operating in group two, was in rivalry with the quickest center sector on the time earlier than he dropped a hefty 1.3s within the remaining sector to qualifying 21st.
Rene Rast, Audi’s full-season rookie, was one other to lose out within the title race. At the moment fourth within the drivers’ desk and solely two factors off second, the German was 1.5s adrift of the group qualifying tempo and can begin down in 23rd.