Story Structure — 5 Plot Phases
A Dangerous Unit Conversion
Ground crew unfamiliarity with metric measurements leads to an incorrect fuel load. Pearson and Quintal begin the flight trusting the measured quantity despite an inoperative gauge.
Key Events
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Simulator Emergency Scenario — Pilots question a simulated total power loss scenario; the examiner says it happened. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight simulator
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Dorval Airport Preparation — Ground crew prepare the new metric-system aircraft for its Edmonton flight. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Dorval Airport, Montreal
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Fuel Conversion Error — Unfamiliarity with metric units leads the ground crew to miscalculate the fuel quantity.
Location: Dorval Airport
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Beth Drives Pearson — Beth drives her husband to the airport and worries about hosting her in-laws. Characters: Capt. Bob Pearson, Beth Pearson
Location: Route to the airport
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Quintal Covers the Flight — Quintal reluctantly agrees to cover for an injured colleague, leaving his ill wife. Characters: Maurice Quintal
Location: Montreal
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Fuel Gauge Concern — The pilots note the inoperative fuel gauge but trust the measured quantity and computer indications. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174 at Dorval Airport
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Passengers Board Flight 174 — Rick Dion boards with his wife and young son among the passengers. Characters: Rick Dion, Pearl Dion, Chris Dion
Location: Dorval Airport
The Fuel Error Revealed
Warnings interrupt the flight, and Quintal discovers that the fuel was measured in pounds rather than kilograms. Pearson turns toward Winnipeg as the remaining fuel dwindles.
Key Events
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Fuel Pump Alarm — A pump warning interrupts Dion's cockpit visit; the pilots activate the cross-feeding valve. Characters: Capt. Bob Pearson, Maurice Quintal, Rick Dion
Location: Flight deck
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Fuel Quantity Discovered — Quintal finds that the aircraft received pounds of fuel instead of the intended kilograms. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight deck
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Diversion to Winnipeg — Pearson decides to divert the aircraft to Winnipeg. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174
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Critical Fuel Warning — Another alarm signals that the aircraft is nearly out of fuel before reaching Winnipeg. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174
A powerless aircraft
Both engines fail, instruments shut down, and controllers lose contact. The ram air turbine restores limited systems, giving the pilots a way to continue managing the emergency.
Key Events
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Both Engines Fail — Both engines stop and the aircraft's instruments shut down. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174
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Aircraft Vanishes from Radar — Controllers lose the aircraft from radar and cannot communicate with the pilots. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Airspace en route to Winnipeg
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Cabin Emergency Drill — Pearson asks the cabin crew to keep passengers occupied with an emergency drill. Characters: Capt. Bob Pearson, Maurice Quintal, Rick Dion, Pearl Dion, Chris Dion
Location: Flight 174 cabin and flight deck
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Ram Air Turbine Deploys — The turbine restores instruments, communications, and limited hydraulic power. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174
The Gimli Approach
The pilots choose the closer Gimli airfield and use glider techniques to descend. A nose-gear problem and an unexpected car rally complicate the approach.
Key Events
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Gimli Airfield Chosen — Pearson's glider experience and Quintal's knowledge of Gimli lead them to choose the closer airfield. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Flight 174
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Sideslip Descent — Pearson sideslips the powerless aircraft to lose altitude. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Airspace approaching Gimli
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Landing Gear Fails to Lock — The pilots lower the landing gear for drag, but the nose gear fails to lock. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Approach to Gimli airfield
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Rally on the Runway — The crew spots the abandoned runway being used for a car rally and maneuvers to avoid it. Characters: Capt. Bob Pearson, Maurice Quintal
Location: Gimli airfield runway
Survival on the Runway
The aircraft lands with its nose gear collapsed and stops just short of the runway's end. Everyone survives, and the pilots use extinguishers against a cockpit fire.
Key Events
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Emergency Landing and Survival — The nose gear collapses, but the aircraft stops near the runway end; everyone survives and the pilots fight a cockpit fire. Characters: Capt. Bob Pearson, Maurice Quintal, Rick Dion, Pearl Dion, Chris Dion
Location: Gimli airfield runway