acc. date	type	reg.	operator	fat.	location		dmg
4 May 1921	Curtiss MF 1920 Seagull	G-CADL	Laurentide Company Ltd	0	Grand Piles, QC		w/o
5 May 1921	de Havilland DH-4B	176	US Air Mail Services	1	Rock Springs, WY		w/o
8 May 1921	Breguet-Latécoère 14.A2	F-ALHE	Cie Générale d'Entreprises Aéronautiques (CGEA)	1	ca 10 km NE of Alicante		w/o
9 May 1921	Caudron G-3		Ejército Venezolano	0	Campo de Aviación Maracay		min
10 May 1921	de Havilland DH-4B	AS-62980			1 mi from Fort Sheridan, IL		w/o
10 May 1921	Dorand AR.1		Hellenic Army Air Service	2	Mikra Thessaloniki		w/o
11 May 1921	de Havilland DH-4M	AS-63566			Elgin Tanks, Fort Sill Reservation, OK		w/o
11 May 1921	Curtiss JN-4H	AS-38126	US Army Air Service	2	Carlstrom Field, Arcadia, FL		w/o
13 May 1921	de Havilland DH.18	G-EAUF	Instone Air Line	0	Argueil, near Rouen, France.		w/o
14 May 1921	de Havilland DH-4B	AS-68002			Prince Frederick, MD		w/o
15 May 1921	Airplane		Private	1	Grand Island, NE		w/o
16 May 1921	Caudron G-3		Ejército Venezolano	0	Campo de Aviación Maracay		min
16 May 1921	Avro 504L	H2988	New Zealand Flying School		Onerahi, Northland		sub
18 May 1921	Fokker F.III	H-NABK	KLM Royal Dutch Airlines	0	Hamburg		sub
20 May 1921	Parnall Panther	N7433	205 Sqn RAF		Fort Rowner, Gosport, Hampshire		w/o
21 May 1921	Fokker F.III	H-NABL	KLM Royal Dutch Airlines	0	Hekelingen, Zuid-Holland		sub
21 May 1921	Handley Page O/400	AS-62451			Morgantown, MD		w/o
21 May 1921	de Havilland DH.9	D1296	Fuerza Aérea de Chile	0	San Luis		w/o
23 May 1921	Breguet 14 A2	6 ?	Aeronáutica Militar	2	Elvas		w/o
24 May 1921	Rumpler C IV	O-BRIS	SNETA		Woluwe-Saint-Lambert, Brussels		w/o
25 May 1921	Bristol F.2b	G-EAWZ	Aircraft Disposal Co Ltd	2	Hamble-le-Rice, Hampshire		w/o
26 May 1921	de Havilland DH.9	H-	LA-KNIL	0	Soekamiskin, Bandung, West Java		sub
27 May 1921	Caudron G-3		Ejército Venezolano	0	Campo de Aviación Maracay		sub
28 May 1921	Curtiss Eagle	AS-64243	United States Army Air Service USAAS	7	Morgantown, MD		w/o
30 May 1921	Martinsyde Type A Mk 1	G-CADG			Chicoutimi, QB		w/o
31 May 1921	Airco DH.4	G-CYBW	Canadian Military		High River, AB		w/o
31 May 1921	Avro 504K	G-CYBZ	Canadian Military	0	Camp Borden, ON		w/o
5 Jun 1921	Airplane		Private	2+1	Huntington Beach, CA		w/o
5 Jun 1921	Curtiss JN-4 Canuck		Private	1	Mitchell Field, LI, NY		w/o
7 Jun 1921	de Havilland DH-4B	AS-63676			Langley Field, VA		w/o
8 Jun 1921	Blériot Spad 27	F-CMAV	Compagnie des Messageries Aériennes	0	near Dieppe, Seine-Maritime		w/o
9 Jun 1921	de Havilland (Dayton-Wright) DH-4A	3410	US Marine Corps	1	Colonial Beach, VA		w/o
10 Jun 1921	Curtiss JN-6H	AS-44846			Carlstrom Field, Arcadia, FL		w/o
12 Jun 1921	Curtiss JN-4	C-CAAH	McCall Aero Corp	2	Bowness Park, Calgary, AB		w/o
12 Jun 1921	Avro 504K	G-EAIX	New Zealand Aerial Transport Co	0	Hastings, Hawke's Bay		w/o
12 Jun 1921	Ansaldo SVA		Aero-Club Brasileiro	1	Campo de Afonsos, RJ		w/o
14 Jun 1921	airplane			3	Buenos Aires, BA		w/o
15 Jun 1921	Avro 539B	G-EAXM	A.V. Roe & Co Ltd	0	Hamble Airfield, Hamble-le-Rice, Hampshire		w/o
16 Jun 1921	Parnall Panther	N7449	205 Sqn RAF		At Sea		w/o
17 Jun 1921	de Havilland DH-4B	AS-63145			Landed in bay off Langley Field, VA		w/o
17 Jun 1921	de Havilland DH-4B	AS-63916			6 mi from USCG Station, Virginia Beach, VA		w/o
17 Jun 1921	Spijker V.2	47	LVA	0	Soesterberg AFB, Utrecht		w/o
21 Jun 1921	Curtiss JN-6H	AS-44889	US Army Air Service	1	1.5 mi E & ¼ mi S of main field, March Field, CA		w/o
21 Jun 1921	Sopwith 7F.1 Snipe	E8220	CFS RAF	1	Enford, 10 miles SE of Devizes, Wiltshire		w/o
21 Jun 1921	Curtiss F-5L	n/a	Cuerpo de Aviadores Navales	0	Ancón		w/o
22 Jun 1921	Curtiss JN-2	G-CAEC			Hampstead, QC		w/o
22 Jun 1921	Royal Aircraft Factory S.E.5	AS-6115			near Langley Field, VA		w/o
22 Jun 1921	Royal Aircraft Factory S.E.5	AS-6140			near Langley Field, VA		w/o
22 Jun 1921	Royal Aircraft Factory S.E.5A	AS-8143			Nuttsville, VA		w/o
22 Jun 1921	Beardmore Rigid Airship R-36	G-FAAF	Air Ministry	0	Pulham, Norfolk		w/o
23 Jun 1921	Blériot Spad 27	F-CMAY	Compagnie des Messageries Aériennes	0	Bekesbourne, South East of Canterbury, Kent, England		w/o
24 Jun 1921	Sopwith 7F.1 Snipe	E6156	25 Sqn RAF	1	RAF Hawkinge, Folkestone, Kent, England		w/o
25 Jun 1921	Curtiss JN-6H	AS-41717			Logan Field, Dundalk Junction, MD		w/o
26 Jun 1921	LVG C.VI	D-18	DLR Deutsche Luft-Reederei	0	Dortmund		w/o
26 Jun 1921	SPAD			1	San Isidro		w/o
27 Jun 1921	de Havilland DH-4B		US Army Air Service	2	Visalia, CA		w/o
28 Jun 1921	Curtiss JN-4W	AS-38323			Carlstrom Field, Arcadia, FL		w/o
28 Jun 1921	Breguet		Hellenic Army Air Force	0	near Afyon Karahissar		w/o
29 Jun 1921	Parnall Panther	N7452	205 Sqn RAF		HMS Argus, at sea		sub
30 Jun 1921	de Havilland DH.9		Hellenic Naval Aviation	0	Afion Karahissar		w/o
30 Jun 1921	airplane		Aviação Naval	0	Ilha Grande		sub
1 Jul 1921	de Havilland DH-4B	AS-63915			Indian Point, Rappahannock, VA		w/o
1 Jul 1921	Curtiss JN-4	G-CADE			Magog, QC		w/o
4 Jul 1921	Van Berkel WA	W64	MLD	0	Veere, Zeeland		w/o
5 Jul 1921	Van Berkel WA	W53	MLD	0	Zandvoort, Noord-Holland		sub
6 Jul 1921	Avro 548	G-CACN	McCall-Hanrahan Air Service		Ardmore, AB		w/o
6 Jul 1921	FVM S.18	992	Armén, Swedish Army	2	Lagerlunda, Malmslätt (Östergötland)		w/o
6 Jul 1921	FVM Phönix C.1 Dront Ö4	116	Armén, Swedish Army	0+2	Lagerlunda, Malmslätt (Östergötland)		sub
6 Jul 1921	de Havilland DH-4B		US Army Air Service	0	Visalia, CA		w/o
7 Jul 1921	Goodyear/Goodrich C-class	C-3	United States Navy (USN)		NAS Hampton Roads, Virginia, VA		w/o
9 Jul 1921	Curtiss JN-4	G-CADO					w/o
9 Jul 1921	Curtiss JN-4	G-CACF					w/o
10 Jul 1921	Martin NBS-1		United States Army Air Service (USAAS)	0+6	Moundsville, WV		w/o
11 Jul 1921	Caudron G-3		Ejército Venezolano	0	Campo de Aviación Maracay		sub
11 Jul 1921	de Havilland DH-4B	AS-63690			New Point Comfort, VA		w/o
12 Jul 1921	Nieuport Goshawk	G-EASK	Nieuport and General Aircraft Co. Ltd	1	Burnt Oak, near Hendon, Middlesex		w/o
12 Jul 1921	DUAL ENTRY	78	ERROR	0			unk
13 Jul 1921	de Havilland DH-4B	AS-63525			Ford Island, Oahu, HI		w/o
13 Jul 1921	Thomas-Morse MB-2	AS-64207			10 mi offshore of Langley Field, VA		w/o
14 Jul 1921	Jacuzzi J-7		Jacuzzi	4	Modesta, CA		w/o
15 Jul 1921	Royal Aircraft Factory S.E.5A	AS-8176			6 mi S of Cape Charles City, VA		w/o
16 Jul 1921	Spad		Hellenic Army Air Force	0	Bursa Airfield		w/o
16 Jul 1921	Fokker F.VI (PW-5)		Fokker	1	Veere, Zeeland		w/o
16 Jul 1921	de Havilland DH-4K	222	US Air Mail Services	1	Marina Field, San Francisco, CA		w/o
17 Jul 1921	Airplane		Private	2	Elko, NV		w/o
19 Jul 1921	Spijker V.2	58	LVA	0	Ede, Gelderland		w/o
22 Jul 1921	de Havilland DH-4B	AS-62965			Post Field, Fort Sill, OK		w/o
23 Jul 1921	de Havilland DH-4B	AS-63868			Edenton, NC		w/o
24 Jul 1921	Brandenburg B I	N-17	Norsk Flyvebyrå A/S				w/o
25 Jul 1921	Royal Aircraft Factory S.E.5A	AS-8191			Langley Field, VA		w/o
25 Jul 1921	de Havilland DH-4B	AS-63891			Swamp 4 mi from Langley Field, VA		w/o
27 Jul 1921	de Havilland DH-4B	AS-63131			Buckroe Beach, VA		w/o
28 Jul 1921	de Havilland DH-4A	AS-23190			Kewalo Basin, Oahu, HI		w/o
30 Jul 1921	Airplane		Private	2	Denver, CO		w/o
31 Jul 1921	Curtiss JN-4	G-CAAP	Winnipeg Airco Ltd	0	Winnipeg, MB		w/o
1 Aug 1921	Airco DH.4	G-CYBV	Canadian Military	1	High River, AB		w/o
1 Aug 1921	de Havilland DH-4B	AS-64594	US Army Air Service	2	Post Field near Elgin Tank, OK		w/o
2 Aug 1921	Phönix D.II (J1)	951	Swedish Air Force	1	200 m V vägen till hangarerna, Lagerlunda, Malmslätt (Östergötland)		w/o
3 Aug 1921	Curtiss JN-4	G-CABA			Cheneville, QC		w/o
3 Aug 1921	de Havilland DH.9	NAY 82	Hellenic Naval Aviation	0	Esme village, Geive Region		w/o