Fokker F27

The two-engined Fokker F27 Friendship, other than as a reliable civil and military transport airplane has also been used as maritime patrol, satisfying the requests of many coastal agencies around the world, requiring an airplane with a good cost/efficiency ratio, to be used in coastal overseeing, fishing protection, search and rescue, environmental control and other similar assignments; the studies for this variation began in 1975 and the first F27MPA (Maritime Patrol Aircraft) demonstrator, a modified civil aircraft, had its maiden flight in the February 1976. The proposed models for this task were based upon the F27 Maritime, in an unarmed version for assignments at coastal overseeing, search and rescue and environmental control, with Litton radar APS 504 (V) 2 in a ventral radome and a crew of six, ordered by the Peruvian Navy (2) and Thailandese Navy(3), (equipped for the transport of armament) and from the Aviations of Angola (1), Filippine (3), Nigeria (2), Netherlands (2) and Spain (3), and the Maritime Enforcer, for armed overseeing, antiship and antisom warfare, with enhanced avionic, sonar, active and passive sonobuoys, MAD and other mission devices, and predisposition for the transport of subwing loads (choosen by the buyer).

Other special F27 variants offered by Fokker were the Sentinel, for overseeing and distant recognition with side scanning radar (SLAR) APS-135 (V) under the fuselage and the Kingbird, a proposal of an AEW aircraft with a AWG 9 radar in ventral retractile radome. When the production of F27 ended, in 1996, the Fokker offered 50 similar versions of the new Maritime Enforcer Mk 2, a version of F27 with updated struts and fittings, Sentinel Mk 2 with an APS-136 (V) o an APS 134 (V).

4 Maritime Enforcer have been ordered from the aviation of Singapore.

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Variants:

F27-100 - was the first production model;
F27-200 - uses the Dart Mk 532 engine;
F27-300 Combiplane - Civil passenger/cargo aircraft;
F27-300M Troopship - Military transport version for Royal Netherlands Air Force ;
F27-400 - "Combi" passenger/cargo aircraft, with two Rolls-Royce Dart 7 turboprop engines and large cargo door;
F27-400M - Military version;
F27-500 - The most ubiquitous Fokker F27 model the -500, had a 1.5 m (4 ft 11 in) longer fuselage , a return back to the Dart Mk 528 engine, and accommodation for up to 52 passengers. It first flew in November 1967 ;
F27-500M - Military version;
F27-500F - A version of the -500 for Australia with smaller front and rear doors;
F27-600 - Cargo version of -200;
F27-700 - A F27-100 with a large cargo door;
F27 Maritime - Unarmed maritime reconnaissance version;
F27 Maritime Enforcer - Armed maritime reconnaissance version; and
FH227 - Fairchild-Hiller stretched version.

Fokker Maritime Enforcer Mk 2
Characteristics
Type: two-engined for maritime patrol, antiship antisomi
Armament: two attacks (max load 900 kgs) in fuselage to three (inside from 295 kgs, central from 680 kg, external from 250 kgs) under every semiwing, for torpedos or depth bombs, air-surface or antiship missiles or reservoirs
Engines: 2 turboprops Pratt & Whitney Canada PW125B from 1864kW (2533 CVs) on the axle
Performances: normal cruise speed 480 kmhs, search speed277 kmhs; ceiling 7620m; maximum autonomy, without reserves 6820 kms
Weights: empty operational 14796 kgs; maximum to the take-off 21545 kgs
Dimensions: wing span 29,00 m; total length 25,247m; wing surface 70,00 sqm

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November 16, 2006 11:33 AM