ALTITUDE 0m
1,200M — TAKEOFF
5,380M — BASE CAMP
8,000M — DEATH ZONE
8,849M — SUMMIT
10,600M — EXPEDITION MAX
April 3, 1933

Above the Roof
of the World

LAT 27° 59′ 17″ N   |   LON 86° 55′ 31″ E

The Machine
& The Mission

Everest stood as the unreachable absolute. For decades, the summit had repelled every ground expedition, a jagged crown of ice ascending into the stratosphere where the air thins to a lethal fraction. No human eye had ever looked down upon the roof of the world.

Funded by the eccentric and determined Lucy, Lady Houston, the Houston-Mount Everest Flight Expedition sought to conquer the peak not by boot, but by wing. The margin for error was non-existent. A downdraft over the glacial peaks meant certain death.

AIRCRAFT: Westland PV-3 & Wallace ENGINE: Bristol Pegasus S.3 (Supercharged) CREW: Marquis of Clydesdale, Stewart Blacker
Topographical mapping of Mount Everest region
DOC:EXP-MAP-01
TARGET:CHOMOLUNGMA
TYPE:TOPOGRAPHICAL
Pre-flight topographical assessment detailing the jagged terrain of the Mahalangur Himal sub-range. Precise navigation was critical; instruments routinely froze.
PURNEA 100M HIMALAYAS 6,000M 10,600M SUMMIT PASS

The Summit
Beneath Their Wings

Aerial view of the Himalayas
ALT:9,000M
TEMP:-40°C
LENS:FROSTED
The sprawling, unforgiving labyrinth of the Himalayas stretching to the horizon. The open-cockpit crew relied on heated suits that repeatedly short-circuited.

At 08:25 on April 3, the heavy Westland biplanes roared off the dusty airstrip at Purnea. For an hour, they climbed through the dense haze of the Indian plains until the monolithic white wall of the Himalayas pierced the sky before them.

The ascent was violent. Caught in a brutal downdraft near the mountain's flank, the PV-3 dropped 2,000 feet in seconds, missing a jagged ridgeline by a mere clearance of fifty feet. The supercharged Pegasus engines screamed against the thin air, clawing back altitude foot by agonizing foot.

Mount Everest captured from the air
STATUS:SUMMIT CROSSED
PEAK_ALT:10,600M (34,776 FT)
HISTORY:RECORDED
The primary objective: Everest's unconquered peak photographed from above. The resulting images revolutionized cartography and proved human engineering could survive the death zone.

At exactly 10:05, the aircraft breached the summit. Fighting hypoxia, extreme cold, and blinding glare, the crew wrestled with their heavy glass-plate cameras. In those few deafening, freezing minutes hovering at 34,000 feet, they captured history. The impossible ceiling had been shattered.