GZINA

R.A.F. Form 441 A. SORTIE REPORT 44 (Part A.) NIGHT OPERATION.

No. One Oprep. Ref. No. 172 Date. 18 JAN 43 Squadron. 21 SAAF. Type of Aircraft. Baltimore Mk. 3. Captain Lt/Col. Coppen Aircraft No. 940 Crew. Lt. Farrant Aircraft Letter. V F/Sgt. Bradfield F/Sgt. Herbst Up. 1851 hrs. Down. 2200 hrs. Aerodrome or L.G. GZINA Time. 3 hrs. 09 mins. Type of Cloud. -- Map or Chart Amount of Cloud. -- Reference. Base of Cloud. -- LIBYA 1 : 500,000 Visibility. Fair Sheet 2. TRIPOLI. General Weather. Good. Task or Duty. Bombing MT on road WEST of TARHUNA. Height. Place. Narrative. GZINA Airborne and set course 310 deg. M. Climbing.

3000 SIRTE Track made good. 6000 Made landfall RAS AHRAR A/C 284 deg. M. 6000 TARHUNA to port. A/C 300 deg. M. 3000 Turning left on to road CASTEL BENITO - TARHUNA. 2000 Dropping 4 lb. incendiaries on road RL 6221 and further EAST. 3000 Bombing on incendiaries. -- Straffing on track SOUTH of Main Road. RL 6514-7508. 115 2000 S/C for GZINA. Climbing. 132 deg. M. 2000 SIRTE A/C for GZINA. 130 deg. M. GZINA Landed. PART B (on reverse) to be completed according to relevant pro-forma in H.Q. R.A.F. M.E. Instruction 34. PMEJ - 200.000 - 3/42 P.T.O. PART "B"

BA MT on road TARHUNA - CASTEL BENITO. BB 2030 hrs. - 2050 hrs. BC Medium level bombing and straffing attack. 6 x 250 lb. G.P. 43 Det. (Rods) 4000 rounds .300 ammunition. 20 x 4 lb. incendiaries. BD Crew started to search for badly dispersed MT WEST from RL 6320 and dropped incendiaries on MT at various points. The A/C then returned and dropped bombs where MT could be seen drawn off the road, where the Wadi begins. MT on a small track SOUTH of the Main Road was ground-straffed from 300 to 30 ft. and a small fire was started. MT were fairly well dispersed. BE Slight Breda fire from road. Inaccurate. BF Nil. BG Nil. BH In square RQ 88 eight lights in two rows appeared suddenly and remained on for five minutes. OXYGEN None available. (Handwritten Signature: [Illegible]) Capt. S.I.O. 21 SQUADRON, S.A.A.F.

1943-01-23 GZINA

R.A.F. Form 441 A. SORTIE REPORT 44 (Part A.) NIGHT OPERATION. No. One Oprep. Ref. No. 172 Date. 18 JAN 43 Squadron. 21 SAAF. Type of Aircraft. Baltimore Mk. 3. Captain Lt/Col. Coppen Aircraft No. 940 Crew. Lt. Farrant Ai…

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Form 541

MAP

Transcriber's Notes

Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms: * R.A.F. Form 441 A.: Royal Air Force Sortie Report form, the standardized document used to record the narrative and technical data for individual aircraft missions. * Oprep. Ref. No. 172: Operational Report Reference Number 172, the administrative serial for the mission conducted on the night of 18 January 1943. * 21 SAAF: No. 21 Squadron of the South African Air Force. * Baltimore Mk. 3.: The Martin Baltimore Mark III, a twin-engine light bomber provided via Lend-Lease, utilized for tactical interdiction. * L.G. / GZINA: Landing Ground. Gzina served as a forward operational base in Tripolitania for No. 3 SAAF Wing. * MT: Mechanical Transport. Refers specifically to German and Italian supply and troop vehicle convoys. * deg. M.: Degrees Magnetic, indicating navigational headings. * A/C: Altered Course. * 4 lb. incendiaries: Small magnesium or thermite-filled bombs used to illuminate targets or ignite combustible materials such as fuel stores and vehicles. * Straffing: Low-altitude machine-gun attacks on ground targets (archaic spelling of 'strafing'). * S/C: Set Course. Operational Context: This Sortie Report documents a nocturnal interdiction mission led by the Officer Commanding 21 Squadron, Lieutenant Colonel Coppen, on 18 January 1943. Strategically, this period marks the final phase of the Allied advance on Tripoli. The Mediterranean Allied Air Forces (MAAF) focused heavily on the Tarhuna-Tripoli axis, a vital defensive sector where Axis forces attempted to establish a delaying line. The tactical objective for aircraft 940 (V) was the disruption of Mechanical Transport (MT) on the Castel Benito - Tarhuna road. The mission utilized a specialized nocturnal profile: after making landfall at Ras Ahrar, the aircraft descended from 6,000 to 2,000 feet to drop 4 lb incendiaries at grid RL 6221. This provided self-illumination for the subsequent bombing run at 3,000 feet. Following the bombing, the crew conducted aggressive "straffing" against vehicle tracks south of the main road between grids RL 6514 and RL 7508. This relentless 24-hour pressure on Axis logistics, documented here and in the associated Intelligence Postagram (OPREP 172), was instrumental in shattering the Homs-Tarhuna line, leading to the liberation of Tripoli only five days later. This document, archived as Folio 44, serves as primary evidence of the SAAF's sophisticated use of leadership and technology to maintain tactical superiority during the definitive Axis collapse in Libya. 54 Phase 1: Verification & Extraction Identity Check: 18 JAN 43. (Note: While the literal 'Date' column is found on the reverse side/Part A, this Part B corresponds to the operational entry for 18 January 1943). Phase 2: Technical Expansion (The "Transcriber's Notes") Glossary of Terms: * MT: Mechanical Transport. Refers specifically to German and Italian supply and troop vehicle convoys targeted along the vital coastal and inland road networks. * ft.: Feet, the unit of measurement for the aggressive low-level strafing run conducted between 300 and 30 feet. * 250 lb. G.P. 43 Det. (Rods): 250-pound General Purpose high-explosive bombs utilizing No. 43 tail pistols and nose extension rods. Known colloquially as "daisy cutters," these rods triggered detonation just above the desert floor to maximize the lateral fragmentation blast against soft targets such as trucks and personnel. * .300 ammunition: The caliber for the Martin Baltimore’s offensive machine guns, used here in a high-volume expenditure of 4,000 rounds. * 4 lb. incendiaries: Small magnesium or thermite-filled bombs utilized for target illumination and to ignite combustible materials like fuel and vehicles. * A/C: Aircraft. * RL 6320 / RQ 88: Specific grid coordinates on the 1:500,000 Tripoli map sheet used for precision targeting and reporting. * Breda fire: Anti-aircraft fire from Italian-made Breda machine guns or light cannons. * S.I.O.: Senior Intelligence Officer. * S.A.A.F.: South African Air Force. Operational Context: This Sortie Report (Part B) details a high-intensity nocturnal interdiction mission conducted by No. 21 Squadron S.A.A.F. on 18 January 1943. Strategically, this mission targeted the Tarhuna-Castel Benito axis, a vital defensive sector and evacuation route for Axis forces during the definitive Allied advance on Tripoli. By mid-January 1943, the Mediterranean Allied Air Forces (MAAF) were focused on a "fully offensive" campaign to maintain 24-hour pressure on the retreating Afrika Korps. Tactically, the mission utilized a sophisticated "search and destroy" profile. The crew first identified "badly dispersed MT" west of grid RL 6320 and utilized 4 lb incendiaries to provide self-illumination. This allowed for precision bombing of vehicles drawn off the road into wadis using General Purpose bombs with "daisy cutter" rods to maximize the blast radius. The most aggressive phase of the engagement involved a "ground-straffing" attack where the Baltimore descended to an altitude of 30 feet—dangerously low for a twin-engine bomber at night—expending 4,000 rounds of .300 ammunition to initiate fires among vehicle tracks south of the main road. Despite encountering "inaccurate" Breda fire, the mission successfully harassed Axis logistics during their final collapse in Libya. The continued absence of oxygen, noted as "none available" due to missions being undertaken at short notice, underscores the improvised and high-tempo nature of air operations during the liberation of Tripoli. This document, archived as Folio 44, serves as primary evidence of the S.A.A.F.'s lethal tactical persistence during the North African campaign. 55 Phase 1: Verification & Extraction Identity Check: 18 JAN 43.