acc. date	type	reg.	operator	fat.	location		dmg
1 Jan 1931	Boeing 40B-4	NC743K	Pacific Air Transport	0	Crescent Lake, OR		w/o
2 Jan 1931	Avro 504K	G-AARV	Sydenham Armstrong Payn (Junior)	0	Bekesbourne Aerodrome, Canterbury, Kent		w/o
4 Jan 1931	Consolidated PT-3A	29-49	United States Army Air Corps (USAAC)		200 yds W of Hensley Field, TX		w/o
4 Jan 1931	Curtiss O-11 Falcon	27-21	United States Army Air Corps (USAAC)		8 mi S of Ocala, FL		w/o
5 Jan 1931	Curtiss A-3B	30-273	United States Army Air Corps (USAAC)		Waipahu, Oahu, HI		w/o
5 Jan 1931	Fairey IIIF Mk IV	J9137	207 Sqn RAF	0	Heacham, Norfolk		w/o
5 Jan 1931	Westland Wapiti		84 Sqn RAF	1	RAF Shaibah		w/o
6 Jan 1931	Keystone B-6A	32-168	United States Army Air Corps (USAAC)	0	2 mi E of Jacksonville, FL		w/o
6 Jan 1931	Savoia Marchetti S-55 TA	I-RECA	Regia Aeronautica	1	Bolama		w/o
6 Jan 1931	Savoia Marchetti S-55 TA	I-BOER	Regia Aeronautica	4	Bolama		w/o
7 Jan 1931	Lockheed Vega 5B	NC537M	Wedell-Williams Air Services	3	Marshall, TX		w/o
7 Jan 1931	Avro 616 Sports Avian IVA	G-ABCF	Guy Lambton Menzies	0	Hari Hari, West Coast		sub
7 Jan 1931	Boeing PW-9C	26-445	United States Army Air Corps (USAAC)		San Angelo, TX		w/o
8 Jan 1931	Fokker/Sabca F.VIIb/3m	OO-AIL (1)	Sabena	2	Melle, near Ghent, East Flanders		w/o
8 Jan 1931	Douglas O-2H	28-145	United States Army Air Corps (USAAC)		14 mi NE of Encinal, TX		w/o
8 Jan 1931	Martin T3M-2	A-7296	US Navy	1	Pearl Harbor, Oahu, HI		w/o
9 Jan 1931	Bristol Bulldog Mk IIA	K1095	54 Sqn RAF	0	RAF Hornchurch, Essex, England		w/o
9 Jan 1931	Stinson SM-8A	NC235W		3	Miami FL		w/o
10 Jan 1931	Avia/Sabca BH*21	T-8	2ème gr Chasse - Aéronautique Militaire Belge	1	Braine-le-Château, Walloon Brabant		w/o
10 Jan 1931	Armstrong Whitworth Atlas Mk I	J9476	3 FTS RAF	0	Welby, South Kesteven, Lincolnshire, England		w/o
10 Jan 1931	Westland Wapiti IIA	J9380	39 Sqn RAF	2	Risalpur		w/o
10 Jan 1931	Savoia-Marchetti S.55 TA	I-BAIS	Regia Aeronautica	0	Fernando de Noronha		w/o
11 Jan 1931	Curtiss A-3B	30-232	United States Army Air Corps (USAAC)	2	Gulf of Mexico offshore of Freeport, TX		w/o
11 Jan 1931	Thomas-Morse O-19C	31-286	United States Army Air Corps (USAAC)		El Volcan, PAN		w/o
12 Jan 1931	Blackburn L.1C Bluebird IV	G-AAUT	North Sea Aerial & General Transport Ltd	0	North Sea, Harwich Harbour, off Felixstowe, Suffolk		w/o
12 Jan 1931	Armstrong Whitworth Siskin Mk IIIA	J8946	29 Sqn RAF	1	RAF North Weald, Essex, England		w/o
12 Jan 1931	Vickers Vimy	F9178	2 FTS RAF	3	Westwoodside, Isle of Axholme, 1 mile E of Haxey, Lincolnshire		w/o
13 Jan 1931	Douglas BT-1	29-211	United States Army Air Corps (USAAC)		7 mi SE of Brooks Field, TX		w/o
13 Jan 1931	Stearman C3R ?	4-E-. ?	Cuerpo Aeronáutico del Perú (CAP)	2	Atocongo		w/o
14 Jan 1931	Douglas DT-2 (M.F.)	F. ..	Marinens Flyvevåpen	1	Byfjord/Bergen		w/o
15 Jan 1931	Armstrong-Whitworth Wolf	G-EBHI	Sir W.G. Armstrong-Whitworth Aircraft Ltd	0	Wyken, near Worfield, Shropshire		w/o
16 Jan 1931	Westland Wapiti Mk IIA	A5-24	Royal Australian Air Force (RAAF)		Exeter, NSW		w/o
16 Jan 1931	Westland Wapiti Mk IIA	A5-28	Royal Australian Air Force (RAAF)		Gunbower, VIC		w/o
17 Jan 1931	Junkers W.34b	VH-UJD	Guinea Airways	0	Wampit River, Morobe		w/o
17 Jan 1931	Bleriod-Spad 56/3	F-AIEE	Cie Air Union	0	Genas, near Lyon-Bron Airfield, Rhône 69		w/o
17 Jan 1931	de Havilland DH-4M	22-1142	United States Army Air Corps (USAAC)		Matagorda, TX		w/o
19 Jan 1931	Kalinin K-4	CCCP-202	Ukrvozdukhput		Russia		unk
19 Jan 1931	Vickers Virginia Mk X	J8241	7 Sqn RAF	3	RAF Worthy Down, South Wonston, near Winchester, Hampshire		w/o
20 Jan 1931	BFW M.23 b	D-1889	Bayerischer Leichflugklub	2	Oberwiesenfeld		w/o
20 Jan 1931	Bristol Bulldog (J 7)	202	Swedish Air Force	0	F3 Malmen (Östergötland) (Ljungbyhed?)		w/o
21 Jan 1931	airplane		Fuerza Aérea Mexicana (FAM)	1	near Balbuena		w/o
22 Jan 1931	Boeing 40B-4	NC741K	Pacific Air Transport	1	Bluff Mountain WA		w/o
25 Jan 1931	Avro 504K	G-AACW	Home Counties Aircraft Service Ltd	3	Horley, Surrey, 1/4 mile from Gatwick		w/o
26 Jan 1931	Junkers A20	303	Türk Hava Kuvvetleri	1	Diyarbakir		w/o
26 Jan 1931	Loring R-III	14-27	Aeronáutica Militar Española (AME)	0	San Lorenzo/Gijón		unk
26 Jan 1931	Vought O2U-3 Corsair	A-8251	US Navy	1	Guantánamo Bay, near Caimanera		w/o
27 Jan 1931	Curtiss A-3B	30-22	United States Army Air Corps (USAAC)	0	Fort Crockett, TX		w/o
27 Jan 1931	de Havilland DH.60 Moth	VH-UPP	W Rhodes & J W Paulden	2	Belmont Commons Airport, Geelong, VIC		w/o
27 Jan 1931	Svenska Aero 14 Jaktfalk, J6	5206	Flygvapnet (Swedish Air Force)	1	Malmen, Linköping		w/o
27 Jan 1931	Blackburn L.1C Bluebird IV	G-AAOH	Sidney Hargreaves	2	Bushey Park, Teddington, Middlesex		w/o
27 Jan 1931	Ford 5-AT-B Tri-Motor	NC9647	Transcontinental & Western Air - TWA	0	Harrisburg, PA		w/o
28 Jan 1931	Heinkel HD 24W	D-1313	Terra de Fuego Expedition	2	near Perito-Moreno-Glacier		w/o
28 Jan 1931	airplane	D-....		1	Warnemünde		unk
29 Jan 1931	de Havilland DH-4M	AC-23683	United States Army Air Corps (USAAC)		Fort Crockett, Galveston, TX		w/o
30 Jan 1931	Dornier B Ral Komet III	CCCP-210	Ukrvozdukhput		Russia		w/o
1 Feb 1931	Douglas O-2H	29-159	United States Army Air Corps (USAAC)		4.5 mi SW of Kansas City, MO		w/o
1 Feb 1931	De Havilland DH.60M Moth	CF-ADJ	Southern Alberta Airlines Ltd	2	3rd Avenue/Stafford Drive North, Lethbridge, Alberta		w/o
2 Feb 1931	Avro 504K	G-EBYE	Brooklands School of Flying	0	Gresham Road, Brixton, South London		w/o
2 Feb 1931	Curtiss O-11 Falcon	27-103	United States Army Air Corps (USAAC)		14 mi SW of Crowell, TX		w/o
2 Feb 1931	Bristol 110A	G-AAFG	Bristol Aeroplane Co Ltd	0	Filton Aerdrome, Filton, Bristol, Gloucestershire		w/o
2 Feb 1931	de Havilland DH.60G Moth	G-AADX	Howard Clive Mayers	0	near A13 Ripple Road, Dagenham Marshes, Essex		w/o
3 Feb 1931	Douglas O-2H	28-143	United States Army Air Corps (USAAC)		9 mi SE of Big Springs, TX		w/o
3 Feb 1931	Fairchild FC-2W2	NC8026	Pan American Grace Airways (Panagra)	0	near La Caleta		unk
4 Feb 1931	Curtiss A-3 Falcon	28-115	United States Army Air Corps (USAAC)		60 mi SE of Roswell, NM		w/o
4 Feb 1931	Blackburn Iris III	N238	209 Sqn RAF	9	Batten Bay, off Mount Batten, Plymouth Sound, Devon		w/o
4 Feb 1931	Farman 195	1	Aviación Militar Venezolana	1	Barquisimeto		w/o
5 Feb 1931	Boeing P-12C	31-182	United States Army Air Corps (USAAC)	0	Back River near Langley Field, VA		w/o
5 Feb 1931	Albatros	D-....	Akademische Fliegerschaft Marcho-Silesia	0	Breslau-Gandau		w/o
7 Feb 1931	Sikorsky S-38B	NC306N	Pan American Grace Airways (Panagra)	0	near France Field, CZ		w/o
8 Feb 1931	Desoutter Mk II	ZK-ACA	Dominion Air Lines	3	North Clyde, Wairoa, Hawke's Bay		w/o
8 Feb 1931	Douglas BT-2B	31-37	United States Army Air Corps (USAAC)	0	Palm Springs Junction in San Jacinto Mts, CA		w/o
10 Feb 1931	Boeing PW-9C	26-444	United States Army Air Corps (USAAC)		El Paso Muni Airport, TX		w/o
10 Feb 1931	Douglas C-1C	27-210	United States Army Air Corps (USAAC)		Duncan Field, TX		w/o
13 Feb 1931	Armstrong Whitworth Atlas Trainer	K1187	RAF College Cranwell	2	RAF Cranwell, Cranwell, Sleaford, Lincolnshire, England		w/o
13 Feb 1931	de Havilland DH.60M Moth	66	Camp Borden Training School RCAF	2	Camp Borden, Ontario		w/o
14 Feb 1931	Fokker F.VIIb/3m	PK-AFC	KNILM	0	Kampong Langgam, South Sumatra		sub
17 Feb 1931	Fokker C.IV	559	LVA	0	Vriezenveen near Almelo, Overijssel		sub
17 Feb 1931	Hawker Horsley	S1444	36 Sqn RAF	2	Sea off Seletar		w/o
18 Feb 1931	airplane		Japanese Navy	3	Shizuo-ka		w/o
19 Feb 1931	Fokker F.VIIb/3m	PH-AFO	KLM (Royal Dutch Airlines)	0	Popelin		sub
20 Feb 1931	Fokker Universal F-14	C-FAIH	Western Canada Airways	2	Bagot, Manitoba		w/o
21 Feb 1931	de Havilland DH.60X Moth	A7-22	1 FTS RAAF	0	2 miles west of RAAF Laverton, Victoria		w/o
21 Feb 1931	Ford Tri-Motor		Pan American Grace Airways (Panagra)	0	Arequipa Airport (AQP)		non
23 Feb 1931	de Havilland DH.60M Moth	1560	NZPAF	0	14 miles from Geraldine, Canterbury		min
23 Feb 1931	de Havilland DH.60G Gipsy Moth	NZPAF 873	NZPAF (New Zealand Permanent Air Force)	0	near Silverton Homestead, 14 miles from Geraldine, Canterbury		sub
24 Feb 1931	Latécoère 32-3	F-AITX	Aéropostale	1	near Banyuls-sur-Mer		w/o
24 Feb 1931	Fokker C-7A	28-128	United States Army Air Corps (USAAC)		Hensley Field, Grand Prairie, TX		w/o
24 Feb 1931	Fokker C.Ve	Z18	MLD	0	Doggersvaart, Noord-Holland		w/o
24 Feb 1931	airplane	D-....		0	Clacy near Laon		sub
24 Feb 1931	Genairco	VH-UOG	Coleman Air Service	0	Bourke, NSW		sub
25 Feb 1931	SABCA De Havilland DH.50A	OO-AHV	SABENA	1	Bukuma		w/o
26 Feb 1931	Westland Wapiti IIA	A5-20	Royal Australian Air Force (RAAF)	2	Seymour Airfield, VIC		w/o
27 Feb 1931	Curtiss A-3 Falcon	28-105	United States Army Air Corps (USAAC)	0	Smithfield, NC		w/o
27 Feb 1931	airplane		Japanese Navy	2	carrier Akagi		w/o
xx Feb 1931	Fokker C.IV	CCCP-173	Dobrolet		Russia		unk
1 Mar 1931	de Havilland DH.60G Gipsy Moth	G-AACL	George D Mallinson	1	English Channel, off coast of Kent		mis
2 Mar 1931	Avro 504K	G-AAFT	Wight Aviation Ltd	0	Shanklin, Isle of Wight		w/o
3 Mar 1931	Dornier Do A Libelle II	VQ-FAB	Fiji Builders Ltd	0	Suva, Viti Levu		sub
4 Mar 1931	Avro 594 Avian III	G-CANN	Canadian Airways Ltd.	0	Winnipeg, Manitoba		w/o
4 Mar 1931	Fokker F.VIIb/3m	G-CASC	Canadian Airways	0	Winnipeg, MB		w/o