JP-4

Did you know the SR-71 was the first aircraft to use its own fuel for hydraulic fluid? The Blackbird’s fuel hydraulic system.

Did you know the SR-71 was the first aircraft to use its own fuel for hydraulic fluid? The Blackbird’s fuel hydraulic system.

The Blackbird In the 1960’s, the US Air Force (USAF) developed the SR-71 Blackbird, a plane that could travel more than… Read More

3 weeks ago

SR-71 pilot recalls when a KC-135Q crew flew through a thunderstorm with their tanker’s throttles frozen to refuel his Blackbird

The KC-135Q It’s impossible to overemphasise the essential role played by the KC-135Q tanker crews, without whom successful prosecution of… Read More

8 months ago

SR-71 crew chief explains why the Blackbird never stopped to leak fuel and why SR-71s on public display are still weeping JP-7 today

The SR-71 Blackbird In the 1960’s, the US Air Force (USAF) developed the SR-71 Blackbird, a plane that could travel… Read More

10 months ago

KC-135A Crew Chief recalls when his Stratotanker had to purge its tanks of the JP-4 to load JP-7 to refuel an SR-71 Blackbird (No KC-135Q was available)

The SR-71 Blackbird Mach 3+ spy plane could be refueled by standard Stratotankers in the event KC-135Qs were not available.… Read More

1 year ago

Not only JP-7: the SR-71 could use JP-4 and JP-5 as emergency fuels but they both limited the Blackbird top speed to Mach 1.5

The SR-71 Blackbird was the first aircraft to use its own fuel for hydraulic fluid. It was called the fuel… Read More

1 year ago

Habu Pilot reveals why the Blackbird had to refuel after takeoff (it’s not because the SR-71 leaked fuel)

No story on the SR-71 would be complete without an understanding and appreciation of just how valuable the KC-135Q model… Read More

1 year ago

The unknown story of the SR-71 aircrew that bailed out after their Blackbird struck the tail of a KC-135Q during an air refuelling over El Paso

“The nose section was gone just forward of the cockpit and the canopy had caved in on me. I thought,… Read More

5 years ago

Former SR-71 driver explains why the Blackbird had to refuel after takeoff

"We had to refuel right after takeoff for only one reason, and it wasn't because we leaked JP-7 fuel on… Read More

6 years ago