HAL’s HTT-40 Trainer Program Faces Delay Amid Engine Supply Issues

Hindustan Aeronautics Limited (HAL)’s HTT-40 basic trainer aircraft program has encountered a schedule setback, with the first delivery to the Indian Air Force (IAF) postponed from September 2025 to January 2026. The delay stems from supply chain constraints tied to fresh engine deliveries from the US-based manufacturer Honeywell, which is providing the TPE331-12B engine that powers the
Hindustan Aeronautics Limited (HAL)’s HTT-40 basic trainer aircraft program has encountered a schedule setback, with the first delivery to the Indian Air Force (IAF) postponed from September 2025 to January 2026. The delay stems from supply chain constraints tied to fresh engine deliveries from the US-based manufacturer Honeywell, which is providing the TPE331-12B engine that powers the
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