India B773 near Ulaanbaatar on Nov 3rd 2025, technical issue

Last Update: November 3, 2025 / 16:31:25 GMT/Zulu time

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Incident Facts

Date of incident
Nov 3, 2025

Classification
Incident

Airline
Air India

Flight number
AI-174

Destination
Kolkata, India

Aircraft Registration
VT-AEH

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

An Air India Boeing 777-300, registration VT-AEH performing flight AI-174 (dep Nov 2nd) from San Francisco,CA (USA) to Kolkata (India), was enroute at 10700 meters (about FL351) about 190nm northnorthwest of Ulanbaatar (Mongolia) when the crew decided to turn south and divert to Ulanbaatar initially maintaining 10,700 meters. The aircraft landed safely on Ulanbaatar's runway 29 about 45 minutes later.

The airline reported the aircraft made a precautionary landing in Ulaanbaatar after the flight crew suspected a technical issue. The aircraft is being checked.

The aircraft is still on the ground in Ulanbaatar about 5 hours after landing.
Incident Facts

Date of incident
Nov 3, 2025

Classification
Incident

Airline
Air India

Flight number
AI-174

Destination
Kolkata, India

Aircraft Registration
VT-AEH

Aircraft Type
Boeing 777-300

ICAO Type Designator
B773

This article is published under license from Avherald.com. © of text by Avherald.com.
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