US Helicopter Safety Team (USHST)
Monthly Safety Report
March 2025
USHST Vision: A civil registered helicopter community without fatal accidents
Days since last Fatal helicopter accident: 7 Days : 21 Hours : 7 Minutes : 56 Seconds
US Helicopter Safety Team (USHST) Calendar Year Metrics
– The USHST began tracking its new goals for the CY2025-2029 (5 year) timeframe. The goals are by 14 CFR Operating Part, tracking the 5 year average fatal accident rates per 100K hours.
| 14 CFR Part | Baseline, CY2018-2022 (per 100K hours) | Goal, CY2025-2029 (per 100K hours) | Progress, CY2021-2025 (per 100K hours) |
| 91 | 0.81 | 0.73 (10% reduction) | 0.6 |
| 133 | 1.73 | 1.56 (10% reduction) | 0.42 |
| 135 | 0.33 | 0.17 (50% reduction) | 0.34 |
| 137 | 1.11 | 1.00 (10% reduction) | 1.46 |
USHST uses the following as conditions for the fatal accidents included in rate calculations: U.S. registered aircraft, Operating in the U.S./U.S. territories (includes offshore), Not operating as Public Aircraft (public use).
Helicopter – Safety Enhancement (H-SE) Details
H-SE 23-01: Professional Preflight Planning & Go/No-Go Aeronautical Decision Making (P3-GADM)
The primary objective of this safety enhancement is to help prevent fatal helicopter accidents that can be directly or indirectly linked to preflight judgment errors, decision-making errors, and inadequate mission planning. The H-SE team led by the HAI Safety Working Group will develop and deliver sources that will likely include policies, procedures, practices, tools, and other resources/tools that when implemented correctly, can prevent future fatal rotorcraft accidents attributable to flawed, inappropriate, and unauthorized preflight GO/NO-GO decisions. To frame the objective in a more positive manner, the team seeks to make it easier for flight planners to make well-informed GO/NO-GO decisions that are correct, appropriate, authorized before every flight, and independent from potential internal or external pressures, influences, or other factors.
Helicopter Safety OUTREACH events:
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Please refer to USHST.org to view this entire safety report.
For any questions regarding the information within this notice please contact Clarke Pleasants, Assistant Professor of Aerospace, MTSU, at 615-898-2054 or email at clarke.pleasants@mtsu.edu
No Mesoscale Discussions are in effect as of Tue May 6 15:15:09 UTC 2025.
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