Sortie Report (Form 541)
- Time over target
- 0315 hrs
21 SQUADRON S.A.A.F. OPREP NO. 959. DATE 10th March '45.RAID ON ZALOG M/Y pp D 460190 Map Ref. YUGOSLAVIA 1:100,000 Sheet 11TTAKE OFF 1230 hrs. OPERATION NUMBER 164/21S/MHv 513 Maj. Smith Watermeyer Hatswell Stubbs Brink WildingG 550 Lt. Kriel Pretorius Gildenhuys Dinn Richardson SandelandsJ 572 Lt. Reyneke Wells Naude Hennessy Cleete TennantB 561 Lt. Hussey Quaife Wells Boast Pienaar KennedyP 575 Lt. Cloete Callaghan Masters Paxton Venter GreijbeV 583 Lt. Collender Gillam Deane Benson Suter GeronieT 539 Lt. Francis van Heldt Albertyn Andrews Rennie LairdYY 537 Lt. Granger Stuart Bailey Adams Wood KrugerWIND SHIPU 557 Lt. Batley Long Adams Benade Gilbank Butler Eave.TIME: 3.15 Wind-Ship 3.05Handwritten Marginalia / Stamps:
Folio Number: 162 (Handwritten, Top Right).
Marginalia: A handwritten "T" appears above the words "TAKE OFF".
Marginalia: Underneath the crew for aircraft V 583, the name "Geronie" is handwritten.
Strike-throughs: In the crew list for J 572, the name "Wells" is struck through and replaced with "Naude" handwritten above it.
Strike-throughs: In the crew list for B 561, the name "Wells" is struck through and replaced with "Boast" handwritten above it.
Tick Marks: Administrative check marks (✓) are present above most crew positions and aircraft designations throughout the document.
Reference Stamp:
Transcriber's Notes
- OPREP
- Operational Report. OPREP No. 959 represents the formal summary submitted following the conclusion of Operation 164/21S/M.
- WIND SHIP
- A specialized lead or auxiliary aircraft tasked with providing accurate wind speed and direction data to the following formation to ensure precise bomb aiming over the target. Operational Context Target File 271-3_112 documents a 9-aircraft formation strike on March 10, 1945, directed against the Zalog Marshalling Yards in Ljubljana. This target was a primary logistical artery for German forces attempting to maintain a defensive posture in the Adriatic and Balkan theaters while under immense pressure from both the Western Allies and Soviet forces. The strategic emphasis on interdicting rail hubs like Zalog in early 1945 was part of Operation Bingo, the systematic aerial campaign to isolate German Heeresgruppe C in Northern Italy. This methodology evolved from the tactical principles established earlier in the campaign. In November 1943, for instance, 21 Squadron SAAF executed high-intensity strikes on bottlenecks like location H055630 to paralyze Axis movement toward the Bernhardt and Gustav Lines. By March 1945, the objective had broadened from tactical front-line support to the total strategic paralysis of the enemy’s transport networks. The mission was led by senior leadership, with Major Smith in aircraft Hv 513. Notably, aircraft U 557, piloted by Lt. Batley, was designated as the "Wind Ship," a critical role for ensuring high-altitude bombing accuracy. This raid occurred during a period of intense psychological warfare, with MAAF units simultaneously disseminating "Nickel" propaganda leaflets to inform isolated German troops of the collapse of the Reich’s industrial heart and home front. 113 Phase 1: Verification & Extraction Identity Check: 11th March 1945
MC/GP (Medium Capacity / General Purpose): Standard high-explosive ordnance (typically 250 lb or 500 lb) carried by Baltimore crews for the interdiction of logistical and rail infrastructure.