ARGENTINE LOSSES:
Casualties and aircraft losses
Human losses:
6 Army aviation
4 Naval aviation
55 Argentine Air Force members (28)
29 pilots
12 air crew (6 on C-130H shot down June 1, 4 on Learjet LJ-35A shot down June 7 and 2 Canberra navigators)
14 Ground crew
Aircraft Lost in the Air: no suffix: Air Force
Argentine strike aircraft did not carry air-to-air missiles, with the exception of 8th Air Brigade Mirage IIIEA fighters and 6th Air Brigade Daggers on May 1. All retained a secondary armament of either 20 mm or 30 mm cannon.
11 IAI Dagger A 9 by Sea Harrier[29] , 1 Sea Wolf HMS Broadsword[30], 1SAM Rapier [31]
10 A-4B Skyhawk 3[32] by Sea Harrier, 3[33] Sea Wolf HMS Brilliant, 1[34] Sea Dart, 1[35] AAA HMS Fearless, 1[36] 20mm cannon Fire from HMS Antelope and 1[37] friendly fire
7 A-4C Skyhawk 2[38] by Sea Harrier, 3[39] Sea Dart, 1[40] Sea Cat from HMS Yarmouth, 1[41] combination Sea Cat/Rapier/Blowpipe/
3 FMA IA 58 Pucará 1[42] by Sea Harrier, 1 SAM Stinger, 1 small arms fire 2nd PARA
3 A-4Q Skyhawk Navy 3[43] by Sea Harrier. (3rd damaged by 30 mm cannon fire, attempted to land at Port Stanley but the undercarriage was inoperative and the pilot elected to eject.)
2 Mirage IIIEA 1[44] by Sea Harrier, 1[45] friendly fire
2 B.Mk62 Canberra 1[46] by Sea Harrier, 1[47] Sea Dart
1 C-130E Hercules 1[48] by Sea Harrier
1 Aermacchi MB.339A Navy 1[49] by Blowpipe
1 Learjet 35A 1[50] by SAM Sea Dart
3 Puma SA330L Army 1 gun fire, 1 by SAM Sea Dart, 1 FIM-92 Stinger.[51]
1 Puma SA330L Army Royal Marines gun fire in South Georgia, April 3
Destroyed on the ground
9 FMA IA 58 Pucará
1 Agusta A109 Army
1 Boeing Ch-47C Chinook Army
2 Aérospatiale Puma SA330L Army
4 Beechcraft T-34 Mentor Navy
2 Skyvan 3-M Coast Guard
2 Bell UH-1H Iroquois Army [52]
Captured after the war
11 FMA IA 58 Pucará
2 Agusta A109 Army
7 Bell UH-1H Iroquois Army
1 Boeing CH-47C Chinook Army
1 Aérospatiale Puma SA330L Coast Guard
3 Aermacchi MB.339A Navy
2 Bell 212
Lost with ARA General Belgrano
1 Aérospatiale Alouette AI03 Navy
Flying accident in the war zone
1[53] Westland Lynx HAS.Mk.23 Navy — 2 May, hit ARA Santísima Trinidad
2 FMA IA 58 Pucará — 28 May[54], hit ground, recovered in 1986, 24 May[55][56].
1 Aermacchi MB.339A Navy — 3 May, bad weather crash
2[57] McDonnell Douglas A-4C Skyhawk — 9 May, South Jason Island
Total
75 fixed wing aircraft and 25 helicopters.
http://en.wikipedia.org/wiki/Argentine_air_forces_in_the_Falklands_War
BRITISH LOSSES:
Casualties and aircraft losses
Human losses:
2 Army Air Corps[9]
4 3 Commando Brigade Air Squadron Royal Marines
17 Fleet Air Arm
Passengers
1 Royal Air Force[10]
18 Special Air Service (Army)[10]
3 Royal Corps of Signals (Army)[9][10]
Aircraft Lost in the Air:, no suffix: Fleet Air Arm
2 Sea Harrier FRS.1 (hit by ground fire during 4 May attack on Goose Green and by Roland missile during 1 June attack on Port Stanley)[11]
3 Westland Gazelle AH.1 Army and Royal Marines[9][12]
3 Harrier GR.3 RAF (hit by ground fire attacking Port Stanley on 21 May, 27 May, and 30 May)[11]
1 Scout AH.1 Royal Marines (shot down by Pucara at Goose Green on 28 May)[11]
Flying accidents in the war zone
2 Westland Wessex HU.5 (crashed on in bad weather on Fortune Glacier 22 April)[11]
2 Westland Sea King HC.4[10] (1 lost operational accident 23 April)[11]
4 Sea Harrier FRS.1 (two 801 Sqn CAP collided over the task force on 6 May - one 800 Sqn crashed during takeoff from Hermes on 24 May - one 801 Sqn slid off deck in bad weather on 29 May)[11]
2 Westland Sea King HAS.5 (ditched on 12 May & 17 May)[11]
1 Harrier GR.3 RAF (landing accident on 8 June)[11]
Lost onboard a ship
3 Westland Lynx HAS.2 (aboard Ardent on 21 May and aboard Coventry and Atlantic Conveyor on 25 May)[11]
3 Chinook HC.1 RAF[13]
6 Westland Wessex HU.5[13]
1 Westland Wessex HAS.3 (when Glamorgan hit by Exocet on 12 June)[11]
Self-destruct in Chile
1 Westland Sea King HC.4 (on 20 May)[11]
http://en.wikipedia.org/wiki/British_air_services_in_the_Falklands_War
Much obliged.