Operation

21 SQUADRON S.A.A.F. OPREP NUMBER 963. DATE 14th MARCH 1945 RAID ON PONTEBBA M/Y pp C 471689 MAP REF. ITALY 1,100,000 SHEET NO 14. TAKE = OFF. OPERATION NUMBER 167/21S/M. ✓ ✓ ✓ ✓ ✓ ✓ P. 575. MAJOR. DIEU. PARSONSON van der PUTTE DURANT MITCHELL PECKITT. ✓ ✓ ✓ ✓ ✓ ✓ U. 557. LIEUT. GRANGER. ~~DORE~~ STUART BAILEY ADAMS KRUGER WOOD. ✓ ✓ ✓ ✓ ✓ ✓ R. 471. LIEUT. BACKE. MEYER JOHNSTONE HEALE GIDLOW Mc CAUSLAND. CERI... ✓ ✓ ✓ ✓ ✓ ✓ V. 583. LIEUT. CLOETE. CALLAGHAN WINN PAXTON VENTER GREIJBE. ✓ ✓ ✓ ✓ ✓ ✓ A. 429. LIEUT. NAPIER. Mc DONALD T.D. BENADE JORDAAN W. STUBBS MOIR ✓ ✓ ✓ ✓ ✓ ✓ B. 561. LIEUT. FRASER. ~~CANDRELL~~ du PLESSIS JENNER BARROW RICHARDSON . ✓ ✓ ✓ ✓ ✓ ✓ C. 550. F/O. HANNA. P/O GOBLE. DICKINSON OLDFIELD V.D. BERG. RAS. ✓ ✓ ✓ ✓ ✓ ✓ YY. 537. LIEUT. ACKERMAN. DORE STEENKAMP STEYN MALAN STEPHENS. ✓ ✓ ✓ ✓ ✓ ✓ J. 572. LIEUT. GOUGH. HORNE RYAN OVEREE SMITH T.R. MATHEW. ✓ ✓ ✓ ✓ ✓ ✓ T. 539. LIEUT. FRANCIS. ven HOLDT ALBERTYN ANDREWS LAIRD RENNIE. ANTI - FLAK. ✓ ✓ ✓ ✓ ✓ ✓ S. 566. LIEUT. QUAIL. LOUWRENS KROS DOUGLAS WILSON SOLOMON. ✓ ✓ ✓ ✓ ✓ ✓ G. 519. LIEUT. KRIEL. PRETORIUS GILDENHUYS DINN KING. SANDELANDS. TIMES :- 3.25 HOURS ALL A/C EXCEPT 'B' REMARKS. LT. FRASER A/C B561 2.45 HRS. Handwritten Marginalia / Stamps: * Folio Number: 165 (Handwritten, Top Right). * Marginalia: The name "DORE" is struck through and replaced with "STUART" handwritten above in the crew list for aircraft U. 557. * Marginalia: The name "CANDRELL" is struck through in the crew list for aircraft B. 561. * Marginalia: A handwritten notation, partially obscured, appears above "VENTER" in aircraft V. 583, possibly "CERI...". * Marginalia: Handwritten note in REMARKS: "LT. FRASER A/C B561 2.45 HRS.". * Tick Marks: Systematic check marks (✓) are placed over almost every crew position and aircraft letter, indicating administrative verification of the sortie. * Reference Stamp:

1945-03-14

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Form 541

MAP

Transcriber's Notes

Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms * AIR 27 / 271: The United Kingdom National Archives (TNA) classification for Air Ministry Operations Record Books (ORBs). Series 271 contains the historical operational files for 21 Squadron SAAF. * ANTI-FLAK: A tactical designation for aircraft assigned to suppress enemy anti-aircraft ground batteries during the bomb run. In this mission, aircraft S. 566 and G. 519 were tasked with this role. * BA-BH (Martin Baltimore): The primary twin-engine tactical medium bomber (Marks IV and V) operated by 21 Squadron SAAF. Though not explicitly written, the aircraft letters (P, U, R, V, A, B, C, YY, J, T, S, G) and numbers (575, 557, 471, etc.) denote specific Baltimore airframes. * M/Y (Marshalling Yards): Extensive railway hubs used for sorting rolling stock, a primary target for interdiction sorties. * MC/GP (Medium Capacity / General Purpose): Standard high-explosive ordnance (typically 250lb or 500lb) carried by Baltimore crews for the destruction of rail infrastructure. * MET (Meteorological Report): Critical weather data required by SAAF crews for navigating Alpine routes. * OPREP: Operational Report. OPREP No. 963 details the administrative and tactical outcome of Operation 167/21S/M. Operational Context This document catalogs a major 12-aircraft formation strike on March 14, 1945, targeting the Pontebba Marshalling Yards (coordinates C 471689). Located in the narrow Tagliamento valley, Pontebba was a vital bottleneck on the Tarvisio rail line—the primary logistical link between North-East Italy and the Austrian border. The strategic emphasis on Pontebba was part of Operation Bingo, the systematic aerial interdiction campaign to achieve total logistical paralysis of German Heeresgruppe C. This methodology evolved from tactical principles established earlier in the campaign. During November 1943, 21 Squadron SAAF conducted similar high-intensity strikes against bottlenecks like location H055630 to maintain pressure on the Bernhardt and Gustav Lines. By March 1945, the focus had shifted to isolating the entire theater to prevent a coherent German withdrawal toward the Reich. The mission was led by senior leadership, with Major Dieu in aircraft P. 575. The inclusion of two "ANTI-FLAK" aircraft (S. 566 and G. 519) indicates an anticipation of significant ground resistance in the confined Alpine valley. The Remarks section notes that aircraft B. 561 (Lt. Fraser) logged a shorter flight time of 2.45 hours compared to the 3.25 hours of the main formation, suggesting an early return or independent exit from the target area. This raid occurred amidst an intense psychological warfare environment, with MAAF "Nickel" sorties simultaneously informing German troops of the Reich's industrial collapse. 116 Phase 1: Verification & Extraction Identity Check: 16th March, 1945