U-3A (HM2MY4)

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N 39° 7.011', W 75° 27.401'

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In the mid-1950s the USAF initiated a competition to purchase "off-the-shelf" twin-engine aircraft for light cargo and personnel transport duties. Cessna's new model 310 was selected and 160 aircraft were acquired and designated L-27A (L for liaison). In 1962 when all the U.S. military services re-aligned their aircraft identification system, the designation was changed to U-3A (U for utility).

From 1958 to 1971, the Military Air Transport Service (MATS) and later the Military Airlift Command (MAC) operated a fleet of 12 to 16 U-3 to transport high-priority passengers. The museum's aircraft is painted as a MATS U-3.

This aircraft was assigned to USAF Headquarters at Bolling AFB in Washington D.C. from 1958-1959 and then to various bases before being dropped from the Air Force inventory in 1972. It was transferred to the Air Force Aero Club program to serve as a twin-engine trainer and rental aircraft. It was retired from the Dover AFB Aero Club and transferred to the AMC Museum in 2009.


Manufacturer: Cessna Aircraft Company
Type: Light cargo and personnel transport
Powerplant: Two 240-hp Continental 0-470-B engines
Maximum Speed: 238 mph
Range: 850 mi.
Service Ceiling: 22,000 ft

Takeoff Weight:
5,500 lb
Crew: Pilot
Payload: Four passengers
Wing Span: 36 ft 11 in
Length: 27 ft 0 in
Height: 10 ft 8 in


Above: The U-3's civilian counterpart, the Cessna 310, became famous for its appearance as a star in the 1950s televeision Sky King. The plane was named Songbird.

All U-3s had a 50-gallon wingtip tanks permanently attached.

The U-3 got its nickname "Blue Canoe," because of its distinctive fuselage and blue color.

The first three models had a vertical tail. D-models and later have a swept tail.
HM NumberHM2MY4
Marker ConditionNo reports yet
Date Added Wednesday, November 13th, 2019 at 7:03pm PST -08:00
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Locationbig map
UTM (WGS84 Datum)18S E 460520 N 4329842
Decimal Degrees39.11685000, -75.45668333
Degrees and Decimal MinutesN 39° 7.011', W 75° 27.401'
Degrees, Minutes and Seconds39° 7' 0.66000000000001" N, 75° 27' 24.06" W
Driving DirectionsGoogle Maps
Which side of the road?Marker is on the right when traveling East
Closest Postal AddressAt or near , ,
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