· ICAO24 87cc37· last seen May 2026

78-1206 is a Boeing KC-135R Stratotanker, a four-engine jet. SkyMeter has tracked 50 flights totalling 44 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is RJOH to RJOC. Service window in our records spans 351 days. Of those flights, 2 (4.0%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Boeing KC-135R Stratotanker has a maximum takeoff weight of 322,500 lb, heavy wake category.

About the Boeing KC-135R Stratotanker

The Boeing KC-135 Stratotanker is the backbone of U.S. Air Force aerial refueling operations and one of the longest-serving military aircraft in history, having entered service in 1957. Derived from the Boeing 367-80 prototype that also spawned the 707 airliner, the KC-135 was purpose-built for strategic air refueling during the Cold War, enabling bombers and fighters to extend their range indefinitely.

The R-model designation indicates re-engining with modern CFM56 turbofans in the 1980s and 1990s, replacing the original Pratt & Whitney J57 turbojets and dramatically improving fuel efficiency, thrust, and operational capability. With a maximum takeoff weight of 322,500 pounds and the ability to offload roughly 200,000 pounds of fuel per mission, the KC-135R can operate at altitudes up to 50,000 feet and cruise near Mach 0.90, making it one of the fastest tankers in service. The type has supported every major U.S.

military operation for over six decades, from Vietnam to the Gulf Wars to ongoing global power projection missions. Despite its age, the Stratotanker remains irreplaceable in the USAF inventory, with no full replacement expected until the 2040s as the KC-46 Pegasus gradually assumes more of the tanker fleet's workload. The aircraft's distinctive flying boom refueling system, operated by a boom operator lying prone in the tail, can transfer fuel at up to 1,000 gallons per minute.

SkyMeter has tracked flights across airframes and operators, covering routes.

✈
FLIGHTS
50
all time
⏱
FLOWN HOURS
44
tracked time
📍
AIRPORTS VISITED
10
unique
📡
CALLSIGNS
2
13 routes
📅
SERVICE PERIOD
6/5/2025 → 5/22/2026
first → last
⚠
INCIDENT RATE
4.0%
2 flagged

Top routes

By flight count

3
3
1
1

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Boeing KC-135R Stratotanker

Engines
Quad Jet
Vref (approach)
145 kt
Vmo
425 kt
MTOW
322,500 lb
Wake category
H

Recent flights

Newest 32 operations of 78-1206

32
5/22/2026
2h 5m
No alerts
1/7/2026
35m
No alerts
1/7/2026
35m
No alerts
1/7/2026
35m
No alerts
1/6/2026
33m
No alerts
1/6/2026
33m
No alerts
1/6/2026
33m
No alerts
9/11/2025
1h 52m
No alerts
7/20/2025
43m
No alerts
7/20/2025
1h 0m
No alerts
7/19/2025
13m
No alerts
7/19/2025
9m
No alerts
7/19/2025
2h 52m
No alerts
6/16/2025
1h 20m
No alerts
6/16/2025
49m
No alerts
6/12/2025
19m
No alerts
6/12/2025
19m
No alerts
6/12/2025
21m
No alerts
6/12/2025
41m
No alerts
6/10/2025
38m
No alerts
6/9/2025
44m
No alerts
6/9/2025
47m
△ Low approach-stability score
6/9/2025
18m
No alerts
6/9/2025
59m
No alerts
6/6/2025
25m
No alerts
6/6/2025
25m
No alerts
6/6/2025
1h 55m
No alerts
6/5/2025
35m
No alerts
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