Boeing KC-135R Stratotanker

eli1483d 🇬🇧

05 Feb 2026 · © Unknown

Taken during wet conditions, likely at RAF Mildenhall where the 100th ARW is based. The KC-135R's CFM engines and refueling boom are clearly visible.

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Boeing 737-700 or 737-800 (Southwest Airlines fleet)

Aircraft

KC-135R Stratotanker KC-135R

U.S. Air Force grey military livery (AMC 100th ARW)

58-0039 (TAIL CODE VISIBLE: 71493)

Registration

Airline

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U.S. Air Force (AMC)

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Manufacturer

Boeing

Location

Glasgow Prestwick Airport

PIK/EGPK

55.5015, -4.5772

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Insights

Aviation History

The KC-135 is the backbone of U.S. military aerial refueling since the late 1950s; KC-135R is the re-engined workhorse variant, crucial for global power projection.

Fleet Rarity

Still a core part of USAF inventory but unique as the only jet tanker based on the Boeing 707/C-135 airframe; R-models dominate the active fleet but the type is much rarer than commercial 707s now.

Record Flights

KC-135s supported historic nonstop missions such as Operation Looking Glass and numerous endurance records for aerial refueling operations.

Safety & Events

KC-135 variants have participated in every major U.S. military action since the 1960s, with several nonfatal incidents often due to age-related maintenance issues.

Future Outlook

Gradually being replaced by the KC-46A Pegasus, but hundreds are still active as of 2024.

Specifications

CFM International CFM56 (military designation: F108)

Engine

39.88 m

Wingspan

41.53 m

Length

2,419 km with maximum fuel transfer (varies with payload)

Range

858 km/h

Speed

Up to 83,000 lbs (37,600 kg) of fuel or max 37 passengers

Capacity

146,285 kg

MTOW

12.70 m

Height

22,000 lbf (98 kN) each (KC-135R variant)

Thrust

Approx 87-97 dB (ICAO Chapter 3/4 depending on mod)

Noise

Registration visible but verify if needed; tail markings indicate this is 100th ARW, RAF Mildenhall.