JP-8


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JP-8

A type of jet fuel essentially similar to jet A-1 commercial fuels with a full military additive package. JP-8 is essentially highly refined kerosene. It is safer than JP-4, with a higher flash point, slower flame propagation, and lower vapor pressure. It ignites at 37.8°C, whereas JP-4 can be ignited at temperatures as low as −29°C.
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The service began the switch from JP-8 to Jet A after an Air Force Smart Operations for the 21st Century initiative approved in May 2008.
JP-8 and Jet A are both kerosene-based aviation fuels.
It has a slightly different freezing point of -40[degrees]C compared to -47[degrees]C for JP-8.
JP-8 and F-24 are completely interchangeable fuels for all CONUS operations.
CAUTION: NAVAIR 00-80T-109 (Aircraft Refueling NATOPS Manual) contains special procedures that must be followed when it becomes necessary to defuel aircraft that have been fueled with the emergency fuel JP-8 +100 (F-37).
First, we established a new and more accurate "apples to apples" pricing comparison, which was adopted as the new standard by the two agencies necessary to enact a switch from JP-8 to Jet A fuel.
In this study, we examined the contributions of dermal and inhalation exposure to naphthalene, as a marker for JP-8 exposure (Chao et al.
The Department of Defense completed a 20-year phased changeover from gasoline-based JP-4 to the safer and more versatile kerosene-based JP-8 in 1996.
JP-4 is described as a "wide cut, gasoline type" fuel, whereas JP-8 is more like kerosene (much less flammable than gasoline).
PROVIDED THOSE ENGINES ARE AUTHORIZED TO OPERATE WITH JP-8 AND JET A FUEL.
They're adding oil to the vehicle's fuel tank when they refuel with JP-8. These "home brews" have also included adding power steering or brake fluid or transmission or engine oil to the vehicle's fuel system.
Diesel burns dirtier than JP-8. It leaves more carbon residue in the burner, especially on the wick, around the glow plug and in the burner chamber.