2024 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2023 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2022 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2021 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2020 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2019 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2016 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)

2015 14 CFR 135.605 – Helicopter terrain awareness and warning system (HTAWS)