Libyan Arab Airlines Flight 1103 was a Boeing 727-2L5 with 10 crew members — 5 of them relief crew — and 147 passengers on board that collided with a LARAF Mikoyan-Gurevich MiG-23UB on 22 December 1992. All 157 people on board flight 1103 were killed, while the pilot and instructor of the MiG-23 ejected and survived. It was the deadliest aviation disaster to occur in Libya at the time.

The first aircraft involved was a Boeing 727-2L5, MSN 21050, registered as 5A-DIA, that was manufactured by Boeing Commercial Airplanes in 1975. It was equipped with three Pratt & Whitney JT8D-15 engines.

The second aircraft involved was a Mikoyan-Gurevich MiG-23UB, registered as 8428.

On 22 December 1992, Flight 1103 took off from Benina International Airport near Benghazi on a domestic flight to Tripoli International Airport under the command of 41-year-old Captain Ali al-Feqi, who had accumulated 10,933 flight hours, 9,223 of them on the Boeing 727; the first officer, 32-year-old Mahmoud Eissa, with a total of 1,820 flight hours, 478 of them on the Boeing 727; and 36-year-old Flight Engineer Salem Abu-Sitta, with 2,399 flight hours, all of which were on the Boeing 727.

At an altitude of 3,161 ft (960 m) above sea level, during the Boeing 727's approach to Tripoli airport, the aircraft's tail collided with a Mikoyan-Gurevich MiG-23's right wing and disintegrated, resulting in the deaths of all 157 passengers and crew. The two crew members of the MiG-23, Major Abdul-Majid al-Tayari (38); and Lieutenant Colonel Ahmed Abu-Sneina (32), ejected before impact and survived.

The official explanation and air accident investigation report both blamed a collision with a Libyan Air Force MiG-23; the pilot and instructor of the MiG were imprisoned.

After the crash, a spokesman for the Libyan Civil Authority stated he had been forbidden from releasing any information about the crash, including which planes had been involved. A mass grave was prepared for the victims outside of Tripoli with poor international relations denying the bodies of international victims being returned to their families.

Twenty years later, after the fall and death of Muammar Gaddafi, Major al-Tayari, the instructor in the MiG-23 aircraft, challenged the official version of events, claiming that Flight 1103 was deliberately destroyed, because he saw its tail falling before his aircraft suffered a strong impact (from either the shockwave of the explosion that destroyed the Boeing 727 or a piece of wreckage) and he was forced to eject from his aircraft along with his trainee, Lieutenant Colonel Abu-Sneina. In a statement, al-Tayari claimed there was no air collision, but conceded that the planes were too close to one another.

Ali Aujali, who served as a Libyan diplomat both under Gaddafi and under the subsequent National Transitional Council, claims that Gaddafi ordered that the Boeing 727, whose flight was assigned the number 1103, be shot down exactly four years to the day after the bombing of Pan Am Flight 103 in order to demonstrate the negative effects of international sanctions imposed on Libya. According to Aujali, the dictator originally ordered a bomb with a timer to be in the aircraft, but when this failed to explode, he "ordered the [aircraft] to be knocked out of the sky". The widow of one British victim has claimed Libyan families of victims had asked if she had tested her husband's passports for explosive residue.

The first memorial for the crash was held near Tripoli, Libya in 2012. The ceremony was attended by families and friends of the victims, and politicians.

• Hughes Airwest Flight 706
• All Nippon Airways Flight 58
• Gol Transportes Aéreos Flight 1907
• 1983 Negev mid-air collision
• Iran Air Flight 655
• 1993 Tehran mid-air collision
• 1997 Israeli helicopter disaster

• "Boeing 727 Crashes in Libya". Flight International, 6–12 January 1993. p. 8.

• Al-Jazeera documentary on Flight 1103 on YouTube