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Historic Flight Plan

BOAC 1940 Horseshoe Route West


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BOAC was formed from the merger of Imperial Airways and British Airways Ltd to become the British state airline. From 1940, BOAC aircraft kept wartime Britain connected with its colonies and the allied world. It inherited Imperial Airways' flying boat services to British colonies in Africa and Asia, but with the wartime loss of the route over Italy and France to Cairo these were replaced by the 'Horseshoe Route', with Cairo as a hub, and Sydney and Durban as termini.
The Empire routes had contained landplane sectors, but the replacements for the Handley Page HP.42 'Heracles' biplanes had proved disappointing, leaving the Short Empire flying boats as the backbone of the wartime fleet. BOAC's flying-boat base for Britain was shifted from Southampton to Poole, Dorset, to reduce the threat from enemy bombers. For security reasons you will not find a timetable on our usual source - of Björn Larsson and David Zekria. The information that follows owes a great deal to the publications of Poole Flying Boats Celebration at
This information has been adjusted to conform to the FSX flight planning process by using FSX airport labels, rather than the names given by BOAC crew in their 1940 logs, and also by ensuring that the aircraft could land and take off from water where FSX believes there is water!
Recommended device: Short Empire 'C'-class S23 "Canopus" File: (FS2004) or - Author: Jens B. Kristensen at et al. 
GPS recommended in addition to radio navigation VOR / DME & ADF / NDB, especially as the 'alighting points' listed below are, of course, close to, but not part of the airports.
Some participants may want to create water runways using software such as Airport Design Editor, either as additions to existing airports or as standalones.

Durban FADN  (Durban Intl - VOR/DME High altitude: DVN 112.500 MHz)
Alighting point:  S29° 52' 24.48",E31° 1' 21.88"
Maputo FQMA (VOR/DME High altitude: VMA 112.700 MHz) /262 nm 
Alighting point:  S25° 59' 17.04",E32° 35' 1.33"
Beira FQBR (VOR/DME High altitude: VBR 113.700 MHz) /393 nm
Alighting point:  S19° 50' 43.49",E34° 48' 48.30"
Lumbo FQLU /442 nm
Alighting point:  S15° 1' 5.83",E40° 41' 6.32"
Lindi HTLI /317 nm
Alighting point:  S9° 51' 44.09",E39° 48' 6.46" 
Dar-es-Salam HTDA(Dar-es-Salam Intl  – VOR/DME High altitude: DV 112.700 MHz – ADF/NDB: DR 361.0 kHz) /188 nm
Alighting point:  S6° 52' 8.40",E39° 17' 22.67"
Mombasa HKMO(Moi  – VOR/DME High altitude: MOV 112.30 MHz – ADF/NDB: MO 267 kHz) /174 nm
Alighting point:  S4° 2' 52.94",E39° 37' 23.42"
Kisumu HKKI (VOR/DME High altitude: KIV 114.10 – ADF/NDB: KI 347.0 kHz) /377 nm
Alighting point:  S0° 6' 32.03",E34° 43' 57.89"
Port Bell (ADF/NDB: H 270.0 kHz - N0° 1' 24.42",E32° 26' 26.46") /152 nm
Alighting point:  N0° 13' 51.54",E32° 38' 23.85"
Laropi HU0A(Adjumani  - N3° 20' 21.24",E31° 45' 52.99") /217 nm
Alighting point:  N3° 19' 58.43",E31° 34' 51.42"
Juba HSSJ ( VOR/DME High altitude : JUB 113.300 MHz) /93 nm
Alighting point:  N4° 51' 13.64",E31° 37' 6.87"
Malakal HSSM (ADF/NDB : MLK 373.0 kHz) /282 nm
Alighting point:  N9° 33' 35.16",E31° 38' 31.98"
Khartoum HSSS (VOR/DME High altitude : KTM 112.100 MHz – ADF/NDB : KIN 335.0 kHz) /368 nm
Alighting point:  N15° 34' 31.10",E32° 35' 13.99"
Wadi Halfa HSSW (N21° 48' 10.07",E31° 31' 19.14") /403 nm
Alighting point:  N21° 55' 26.79",E31° 19' 26.76"
Luxor HELX(Luxor Intl  - VOR/DME : LXR 114.400 MHz – ADF/NDB : LO 364.0 kHz) /246 nm
Alighting point:  N25° 41' 54.81",E32° 38' 7.10"
Cairo HECA(Cairo Intl- VOR/DME : CAI 112.500 MHz – ADF/NDB : OL 361.0 kHz) /287 nm
Alighting point:  N30° 6' 49.70",E31° 14' 14.40"