1932-38 Imperial Airways covers all delayed by incidents en route with covers from Tanganyika, Kenya (4) or Nyasaland to G.B, South West Africa to Germany, G.B or Germany to Kenya, incidents include delays due to weather or engine troubles, the "City of Arundel" losing its propeller in a sandstorm, the "Horsa" clipping another aircraft when taking off, the "Ceres" striking a floating dock, the "Canopus" diverted from Southampton to Candebec due to fog, and a four day delay at Alexandria due to no connecting aircraft being available. (9).

Boadicea. 1936 (Sep 25) Cover from London to Mauritius, the stamp washed off, repaired with several French Officially Sealed labels, both sides handstamped red "SERVICE POSTAL FRANCAIS / Correspondance retardee par suite / du naufrage d'un Avion / Reconstitue par la Service Francais / NE PAS TAXER", with black boxed "FOUND IN THIS CONDITION" applied upon arrival in Mauritius. Backstamped at Mombasa (Nov 9) and Mauritius (Dec 4). The London to Paris plane disappeared while crossing the Channel and was never found; three mailbags were recovered, this cover being from the first bag which was washed up on the beach at Cucq one month after the plane disappeared. A rare crash, almost certainly unique to Mauritius, the boxed cachet unrecorded by Nierinck. Photo on Page 15. (Image1)

Challenger. 1939 (Apr 25) Cover from Berlin to Cape Town franked 60pf, a little stained, with violet bilingual "FLYING BOAT CORRESPONDENCE DAMAGED BY SEAWATER". From the Imperial Airways flying boat "Challenger" which crashed upon landing in Mozambique killing the three crew.

1939-41 Covers to South Africa, the first from Madras franked 1/2a, a further stamp washed off, recovered from the flying boat "Challenger" which crashed upon landing in Mozambique, with violet bilingual "FLYING BOAT CORRESPONDENCE DAMAGED BY SEAWATER" and an Officially Sealed label tied by Durban c.d.s; and 1941 (Mar 23) cover from Leopoldville via Luanda showing signs of water and fire damage, apparently from a crash on the Sabena service to Johannesburg with boxed "RETURNED LETTER / OFFICE / G.P.O. CAPE TOWN" backstamp and ambulance envelope, unrecorded by Nierinck. (2).

1941 (Nov 17) Cover franked Sudan 5m, posted in Khartoum and addressed locally to the A/Secretary O.E.T.A, apparently dispatched to the main O.E.T.A office in Nairobi, soiled and burnt with violet "DAMAGED IN AIRCRAFT FIRE" applied to both sides, backstamped at F.P.O 214 (Nov 18). Unrecorded by Nierinck.

1943 Cover from Teheran to New York bearing four Iran stamps, British and Iranian censor seals and Russian censor cachet, transit datestamps of Baghdad (June 23) and "Egypt Postage Prepaid 102", handstamped violet "SALVAGED MAIL / FROM", from the B.O.A.C crash at Khartoum on June 30th, which killed all 16 people on board.

1943 (July 22) Cover from Freetown to London bearing five Sierra Leone 3d stamps, a little singed at one corner, backstamped violet "DAMAGED BY FIRE IN TRANSIT" with 18 Aug recipients cachet. From the B.O.A.C flying boat from Lisbon that crashed into Mount Brandon in Ireland in dense fog on July 28 killing ten people and destroying most of the mail. A scarce Irish crash, with ambulance envelope, unusual from Sierra Leone. Photo on Page 17. (Image1)

B.S.A.A "Star Leader". 1946 (Sep 4) Cover from London to Jamaica franked 3d, two other stamps washed off, from the B.S.A.A plane "Star Leader" which crashed into the sea shortly after taking off from Bathurst. Scarce, most of the mail having been lost, only mails to Balboa and Jamaica having been recovered. Photo on Page 17. (Image1)

Agnar Viking. 1948 (July 3) Cover from Stockholm to Mombasa, singed on all sides, with G.P.O explanatory slip "The attached mail matter is forwarded with this Departments regret at its condition, which was due to the mail plane having crashed and burnt out", and an explanatory letter from the Mombasa Postmaster "The attached envelope was salvaged from the aeroplane which crashed at Northolt, Middlesex, on the 4th July, 1948". The Swedish aircraft "Agnar Viking" collided with an R.A.F plane in mid air, 39 people being killed. The Mombasa Postmaster letter is very scarce.