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MEMORABLENESS MOMENTS OF DHC-7 IN HISTORY (Hasan)

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MEMORABLENESS MOMENTS OF DHC-7 IN HISTORY (Hasan)

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The DHC-7 Dash-7, manufactured by De Havilland Aircraft Company of Canada in Downsview, Toronto, was part of a line of aircraft designed primarily for use in the harsh Canadian wilderness and capable of withstanding a wide range of weather conditions.

It began operations in Colorado before expanding to Yellowknife and other northern cities. The Dash 7 is used by the CANADIAN COAST GUARD to monitor offshore pollution and the 200-mile limit.

The model was available as a regional airliner.With the introduction of new noise regulations in the 1970s, much thought was given to the use of larger propellers, which were designed to reduce rotation speeds without reducing thrust.

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Individual Contribution:

Transportation and Connectivity: The Dash 7 played a crucial role in connecting remote and underserved communities in Canada. It was particularly valuable for those living in regions with challenging terrain or limited infrastructure. For individuals in these areas, the Dash 7 provided reliable air transportation, making travel more accessible, convenient, and efficient.

Local Contribution:

Regional Accessibility: The Dash 7 was used to serve remote and northern communities, providing a lifeline for these areas by offering reliable transportation for people, goods, and medical services. This enhanced the quality of life for local residents and strengthened the social fabric of these communities.

National Contribution:The DHC-7 Dash 7 was manufactured in Canada by de Havilland Canada. Its production and operation were part of the broader growth of the Canadian aerospace industry. This had implications for the nation's technological capabilities, job creation, and export potential, contributing to Canada's economic development.

Global contribution: The Dash 7 also contributed to Canada's reputation as a manufacturer of rugged, reliable, and innovative aircraft. It enhanced Canada's standing in the global aerospace industry.

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1. Civilian Operations: Regional airlines have been using the DHC-7 for short-haul flights, particularly in places with difficult terrain or inadequate infrastructure. Because of its STOL capabilities, it can service airports with shorter runways.

2. Commercial Operations: Airlines that operate feeder and commuter routes have used these aircraft to link outlying communities with major hubs. It is ideal for routes like these because it can operate in and out of airports with constrained infrastructure and shorter runways.

The DHC-7 has been used to transport cargo, delivering goods to locations where runway constraints might prevent larger aircraft from operating. Its adaptability enables it to perform a range of cargo functions.

3. Military Operations: governments and military organizations have employed the DHC-7 for various purposes, including transport and surveillance.

Some DHC-7 airplanes have been adjusted for search and rescue missions. The STOL capacities are helpful for getting to remote and challenging territory during rescue missions.

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the Dash-7 had some political impact, without very big significance in the global political arena, most of the political impact was centralized back home in Canada, where it was produced and operated.

In July 1970, after DHC’s parent company expressed its disinterest in the aircraft, the Canadian government provided funding that advanced the project to the development stage. On Oct. 6, 1972, the federal government announced that two DHC-7 prototypes would be built and that a decision on production would be contingent on the type receiving full certification.

The Dash 7 was initially aimed at the U.S. airline industry, particularly after the Airline Deregulation Act of 1978. With airlines now free to expand their routes, DHC targeted carriers operating less fuel-efficient aircraft on short routes. The rising crude oil prices during 1978-1980 provided an opportunity for DHC to promote the fuel-efficient Dash 7 as an alternative to the less economical Boeing 737s and McDonnell Douglas DC-9s. By 1980, the U.S.-based Dash 7 fleet demonstrated efficiency with an average stage length of 140 miles and an impressive dispatch reliability of 99.1 percent.

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DHC-7: REVITALIZING A CLASSIC AIRCRAFT (Tarik)

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DHC-7: REVITALIZING A CLASSIC AIRCRAFT (Tarik)

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DHC-7

Manufacturer: The de Havilland Canada division of Bombardier Aerospace.

First Flight: March 27, 1975.

Production Years: from 1975 to 1988.

Primary Role: short takeoff and landing (STOL) aircraft, made for regional and short-haul routes.

Capacity: 50 passengers (four-across seating)

Powerplant: Four Pratt & Whitney PT6A-50 turboprop engines.

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Power Plant: four Pratt & Whitney Canada PT6A-50, 1,120 hp, turboprop engines

Maximum speed: 231 kn (266 mph, 428 km/h)

Range: 690 nmi (790 mi, 1,280 km) (with 50 passengers and baggage)

Service ceiling: 21,000 ft (6,400 m) with passengers , 25,000 ft (7,620 m) without passengers

Rate of climb: 1,120 ft/min (5.7 m/s) (en-route, flaps and landing gear up)

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De Havilland Canada DASH-7:

1. www.airvectors.net/avdash7.html

2. https://skiesmag.com/features/the-quiet-stol-multi-tasker-story-of-the-dhc-7/

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_ It was a model for fuel economy.

_ It was the bridge connecting places previously considered impossible

_ It was the genesis of an idea aimed at revolutionizing urban-centric air travel.

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Crew: 2 (pilots)

Capacity: 50–54 passengers

Length: 80 ft 7.75 in (24.5809 m)

Wingspan: 93 ft 0 in (28.35 m)

Height: 26 ft 2 in (7.98 m)

Wing area: 860 sq ft (80 m²)

Airfoil: root: NACA 63A418 mod; tip: NACA 63A415

Empty weight: 27,690 lb (12,560 kg)

Max takeoff weight: 44,000 lb (19,958 kg)

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_ The four engine

_An advanced electrical system

_Ability to carry a large number of passengers and even more

_ Improved propeller

_....

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-Founded: 1928

-Location: Downsview, Toronto, Ontario

-The aircraft company was created in 1928 by the British de Havilland aircraft company to build Moth aircraft for the training of Canadian airmen, and after second world war, designed and produced indigenous designs.

-In 1980s, The Government of Canada privatized the company, and in 1986, sold DHC to Boeing.

-In 1992, DHC was acquired by Bombardier Aerospace (Montreal).

-By 2006, Viking air from British Columbia, purchased the type certificates for the original out-of-production DHC-7 design