Westland WS55 Whirlwind powered by Alvis Leonides Major engine and a 3 degree droop of the tail boom for increased main rotor clearance. 120 built for Royal Navy and some used as Commando transports for Royal Marines.
Early individuals of the HAS.7 were plagued by engine problems, principally with the centrifugal clutch mechanism of the Alvis Leonides Major Mk.155 engine. Failure rates became so high that the type was withdrawn from service for several months while intense work was put into solving the problem. In the meantime the type was grounded between Apr and Nov 1959 and some Units reequipped with the older HAR.3 until they could be replaced with rectified HAS.7s.
List of Operators of Westland Whirlwind HAS.7  
From  Organisation with model Whirlwind HAS.7  
1952 
 
1953 
 
1957 
 
1980 

Construction Numbers on database of Whirlwind HAS.7  

Construction Numbers  Help Us  
C/N  Year  History  
wa281  1959  XN301 : Westland Whirlwind HAS.7, c/n WA281, ff: 06Nov59; del R+  
wa282  1959  XN302 : Westland Whirlwind HAS.7, c/n WA282, ff: 28Nov59; del R+ to AES Lee (A2654) by Apr 1975, still Mar 1978; to fire+ to HMS Royal Arthur (A2654) in Jul 1987 and reallocate+ to RAF Finningley as 9037M by May 1990, on dump by Jan + XN302 : Noted at Hanningfield Metals Feb 1996  
wa283  1959  XN303 : Westland Whirlwind HAS.7, c/n WA283, ff: 15Dec59; del R+ HAS.7 824Sqn/333R Feb 1960, replacing XL849 on unit st+  
wa284  1959  XN304 : Westland Whirlwind HAS.7, c/n WA284, ff: 11Dec59; del R+ 848 Sq/WB by Jan 1960; 705 Sq/522 by Dec 1964, 705 Sq/+ RMCS Shrivenham by Nov 1975 RN: Whirlwind HAR.9 noted in storage at RAF Wroughton 2+ Wroughton by Apr 1978; Henlow ATC by Aug 1979; RAE Bedf+ XN304 : To Norfolk and Suffolk Aviation Museum 19 Jul 1982. Dis+  
wa285  1959  XN305 : Westland Whirlwind HAS.7, c/n WA285, ff: 09Dec59; del R+ AES Lee, still as /516PO (A2606) by Mar 1978  
wa286  1960  XN306 : har9 Westland Whirlwind HAS.7, c/n WA286, f/f: 05Jan60; del + Brawdy SAR Flight /15 by Aug 1968 RN: Whirlwind HAR.9 noted in storage at RAF Wroughton 2+  
wa287  1960  XN307 : Westland Whirlwind HAS.7, c/n WA287, ff: 16Jan60; del R+ 814Sq / 286H by Apr 1960, ditched Gibraltar (harbour)+ to Lee (A2501) by Feb 1961 to HMS Ganges by Jul 1966, still there Dec 1968; scr. t+  
wa288  1960  XN308 : Westland Whirlwind HAS.7, c/n WA288, ff: 21Jan60; del R+ 814 Sq/287H by Apr 1960 to Sep 1961; 846 Sq/YA from + AES Arbroath as A2605 by Feb 1970; AES Lee by Oct 1970+  
wa289  1960  XN309 : har9 Westland Whirlwind HAS.7, c/n WA289, f/f: 25Jan60; del + 814Sq/288H by Apr 1960 to Sep 1961 846SqS/TA May 1962. Hit tail rotor while landing in cl+ 846Sq/VA by Jun 1963, Fleetlands by Jan 1964, to West+ har9 Culdrose SAR Flt/590CU by Jan 1968, Culdrose SAR Flt/5+ har9 RNEC Manadon by road Jul 1975 still as /590CU. To Wrou+ har9 From Wroughton during 1976; To GI A2663 at SAH Culdrose+ Pres. SWWAPS in Jul 1981, still wearing /590CU; to Cor+  
wa290  1960  XN310 : har9 Westland Whirlwind HAS.7, c/n WA290, f/f: 26Jan60; del + 814Sq/284H by Apr 1960 to Sep 1961, 846 Sq/QA from Ju+ har9 A&AEE Nov 1965, Hermes SAR Flt/335H by Jan 1966, RNAY +  
wa291  1960  XN311 : har9 Westland Whirlwind HAS.7, c/n WA291, f/f: 12Feb60; del + Brawdy SAR Flight /14 by Aug 1968  
wa292  1960  XN312 : Westland Whirlwind HAS.7, c/n WA292, ff: 18Feb60; del R+ 814Sq/281H by Apr 1960. Ditched and sank during approa+  
wa293  1960  XN313 : Westland Whirlwind HAS.7, c/n WA293, ff: 23Feb60; del R+ 814Sq/282H by Apr 1960, w/o Lough Foyle while operatin+  
wa294  1960  XN314 : Westland Whirlwind HAS.7, c/n WA294, ff: 25Feb60; del R+ HAS.7 719 NAS/625 May 1960 until unit disbanded on 5 Oc+ AES Lee (A2614) by Mar 1978 to Predannack by 1990  
wa303  1960  XN357 : Westland Whirlwind HAS.7, c/n WA303, ff: 10Mar60; del R+ HAS.7 719 NAS/626 May 1960 until ditched and sank c 12n+  
wa304  1960  XN358 : Westland Whirlwind HAS.7, c/n WA304, ff: 18Mar60; del R+ HAS.7 825 NAS/311V Jul 1960, until Dec 1961 to 824Sqn. HAS.7 824Sqn/331 Dec 1961, replacing XN385 on unit stre+ to RN AMS Seafield Park Jun 1975, still Mar 1978 to Lee dump by Aug 1980 to Yeovilton dump by Sep 1981, still Jul 1982  
wa305  1960  XN359 : har9 Westland Whirlwind HAS.7, c/n WA305, f/f: 23Mar60; del + HAS.7 719 NAS/627 May 1960 until unit disbanded on 5 Oc+ RN: Whirlwind HAR.9 noted in storage at RAF Wroughton 2+  
wa306  1960  XN360 : Westland Whirlwind HAS.7, c/n WA306, ff: 26Mar60; del R+ 814Sq/285H by Jul 1960 (replacing XL882) until Sep 196+  
wa307  1960  XN361 : Westland Whirlwind HAS.7, c/n WA307, ff: 11Apr60; del R+ HAS.7 825 NAS/310V by Jul 1960 until ditched and sank +  
wa308  1960  XN362 : Westland Whirlwind HAS.7, c/n WA308, ff: 26Apr60; del R+ HAS.7 825 NAS/315V Jul 1960, until Dec 1961 to 824Sqn. HAS.7 824Sqn/335V from Dec 1961, ditched close to HMS +  
wa309  1960  XN379 : Westland Whirlwind HAS.7, c/n WA309, ff: 27Apr60; del R+ HAS.7 825 NAS/316V Dec 1960, until Dec 1961 to 824Sqn. HAS.7 824Sqn/336C Dec 1961, replacing XL884 on unit st+  
wa310  1960  XN380 : Westland WS55, c/n WA310, f/f:16May60; del Royal Navy + HAS.7 825 NAS/318V Jul 1960, until Dec 1961 to 824Sqn. HAS.7 824Sqn/338C Dec 1961, until May 1963. 12sep73 I flew this with 705Squadron at RNAS Culdrose + to Headcorn by May 1977, still as /67 to Lashenden Air Warfare Museum by Apr 1984, still Apr + RN type:HAS.7; from Oct01 preserved museum Manston. In +  
wa311  1960  XN381 : Westland Whirlwind HAS.7, c/n WA311, ff: 24May60; del R+ HAS.7 825 NAS/314V Jul 1960, until Dec 1961 to 824Sqn. HAS.7 824Sqn/334C Dec 1961, replacing XK940 on unit st+  
wa312  1960  XN382 : Westland Whirlwind HAS.7, c/n WA312, ff: 26May60; del R+ HAS.7 825 NAS/317V Jul 1960, until Dec 1961.  
wa313  1960  XN383 : Westland Whirlwind HAS.7, c/n WA313, ff: 10Jun60; del R+  
wa314  1960  XN384 : har9 Westland Whirlwind HAS.7, c/n WA314, f/f: 27Jun60; del + RN: Whirlwind HAR.9 noted in storage at RAF Wroughton 2+  
wa315  1960  XN385 : Westland Whirlwind HAS.7, c/n WA315, ff: 02Jul60; del R+ HAS.7 824Sqn/331C Sep 1960, replacing XL851 on unit st+ HAS.7 825 NAS/311V Dec 1961, replacing XN358 on unit s+ HAS.7 824Sqn/337 Jan 1963, replacing XL853 on unit stre+ to Hurn in Jan 1993. Still there Sep 1993. At Botany Bay boot sale site by Jun 2001 At Doug Hacking Motorcycles, Bolton; Gone by Sep 2005. Jul 2009 at Battlezone Paintball, Picton; still there F+  
wa316  1960  XN386 : har9 RN Whirlwind HAS.7 f/f 27Jun60 d/d 05Aug60; conv HAR.9 814Sq/282H by Oct 1960; (repl XN313) to Sep 1961; 846 + Fleetlands store by Sep 1966; 829 Sq/448ED Endurance F+ FAA, noted in storage at Wroughton 21Oct78 marked as 43+ XN386 : Waiting restoration at South Yorkshire Aircraft Museum,+  
wa317  1960  XN387 : har9 Westland Whirlwind HAS.7, c/n WA317, f/f: 25Jul60; del + HAS.7 719 NAS/626 Feb 1961, replacing XN357 on squadron+ to Odiham by Oct 1977 RN in 1983 8564M BDRT Odiham (UK) to Spadeadam Ranges by Jun 1993 Apr 2000, Sep 2001 still on ranges at Spadeadam  
wa326  1959  11900 : Westland Whirlwind HAS.7, c/n WA326, ff: 59; del Yugosl+  
wa327  1959  11901 : Westland Whirlwind HAS.7, c/n WA327, ff: 1959; del Yugo+  
wa334  1959  11902 : Westland Whirlwind HAS.7, c/n WA334, ff: 1959; del Yugo+  
wa335  1959  11903 : Westland Whirlwind HAS.7, c/n WA335, ff: 1959; del Yugo+  
wa340  1959  11904 : Westland Whirlwind HAS.7, c/n WA340, ff: 1959; del Yugo+  
wa341  1959  11905 : Westland Whirlwind HAS.7, c/n WA341, ff: 1959; del Yugo+ 
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