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N711R H 350 Cockerell
Howard 350

The Howard Super Ventura was re-christened and re-worked to become the Howard 350 therefore becoming a more easily identifiable part of the Howard Aero range. It is a difficult aircraft to "get a handle on" as the name seems to have only been used as a marketing name for certain Howard Super Ventura conversions of which some 55+ were constructed. Some 'planes are referred to as both Howard 350 and Howard Super Ventura in official FAA documentation. One can spot a Howard 350 by it's extended nose, picture windows and beefy Hamilton Standard Type 24E60 props however as far as I am aware there is NO definitive version of the Howard 350 as with so many Lodestar/Ventura conversions.

Production in the late 1950s and early 1960s was at a rate of one conversion per month, Howard Aero employed over 800 people on this and other projects. First production Howard 350 flew on 1st April 1962 according to Janes 1967/1968, however I have FAA evidence that Howard 350s were in the air as early as 1957. Some Howard 350s went on to become the basis of the Howard 500 - the last and perhaps ultimate Howard aircraft.

The Howard 350 was very popular with the drug-smuggling community due to its power and convenient size. Numerous types of these aircraft found themselves on the wrong side of the law such as N730EG (5274) which crashed, killing the crew in Mexico in April 1975. N507H(5331) was used for counter drugs operations, perhaps for some form of sting or entrapment, in an all-black colour scheme by the DEA in the early 1970s, the aircraft has since disappeared with the DEA and FAA unable to explain where...

  • Accommodation:10/14 pax
  • Power Plant: 2 x 2500 hp P&W R-2800. It seems that the bulk of Howard 350s actually had R-2800-83AM10s with 3 blades rated at 2000hp. However a few examples had -CB16 or 17s with 4 blade props delivering 2500hp
  • Range: 2100 miles (3,380 km)
  • Span: 68ft 3in (20.81m)
  • Length: 58ft 5.5in (17.82m)
  • Cruise Speed: 300mph (483kmh)
  • Known Howard 350 a/c:
    C/n	Reg		Date of conv.	Notes
    4385	N200JW		Early 1960s		a)
    5267	N9211R		Early 1960s
    5274	N3031		11.57			b)
    5275	N361MC		1963
    5331	N507H		4.66				
    5336	N234P		7.58				
    5371	N175S		1963				
    5489	N4900		Circa 1957		c)
    5494	N711R		2.65
    5591	N191N		4.62
    5598	N16777		?			d)
    5696	N9221R		Early 1960s		
    5700	N350S		6.63				
    5705	N685		Early 1960s. 		e)
    5891	N511U		Late 1961			
    5892	N510R		3.65			f)
    5894	N236R		Late 1950s			
    5988	N350K		4.62				
    ????	N757N		?			g)
    Notes
    a) Photo as Super Ventura N200JW.
    b) To N730EG.
    c) Also reported as a Super Ventura.
    d) Referred to as a Howard 350 5.70 but it's an Eldorado 700.
    e) Seems to be more likely that this is a Super Ventura.
    f) Photo N350Q.
    g) I have a b&w photo of this aircraft, never been able to get details.


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