FAA’s Rotorcraft Monthly Accident Briefing for July
USHST,
Attached is the FAA’s Rotorcraft Monthly Accident Briefing for July 2021 (tenth month of FY21).
Monthly Summary
Totals: 10 accidents, 2 fatal accidents, 3 fatalities
-With 6 aerial application accidents and 3 personal/private accidents, together the two industry sectors accounted for 90% of the month’s accidents.
-Total accidents in July (10) were 47% lower than July 2020 (19)
Cumulative FY21 Summary (Oct – Jul)
FY21, Totals: 80 accidents, 14 fatal accidents, 26 fatalities
Accidents:
- For Oct – Jul, the estimated accident rate remained constant at 3.32 per 100K hours.
- The cumulative accident count of 80 for Oct – Jul was the lowest for those 10 months for the 39 years on record, slightly better than the 81 accidents for the same time period in FY20.
- Through 10 months of the FY, 52% of the accidents have occurred in two industry categories: Personal/Private (36%) and Aerial Application (16%). No other industry category accounted for more than 8%.
Fatal Accidents:
- For Oct – Jul, the estimated fatal accident rate was 0.58 per 100K hours, a slight increase from Oct – Jun (0.56).
- Among the 39 years on record, FY21 is tied with 3 other years for the third lowest count of fatal accidents from Oct – Jul.
- Through 10 months, 18% of the accidents in the FY have had a fatality, a slight increase from Oct – Jun and slightly above the long term historical average (17%).
- Preliminary evidence of wire strike for 4 out of the last 6 fatal accidents. All are still under investigation by the NTSB and probable cause has not been assigned.
- Of the 14 fatal accidents in the FY, 50% have occurred in either Aerial Application (4) or Personal/Private (3).
Fatalities:
- For Oct – Jul, the estimated fatality rate remained constant at 1.08 per 100K hours.
U.S. Helicopter Safety Team (USHST) Calendar Year Metrics
- Goal: Reduce the 5 year average fatal accident rate to 0.55 per 100K hours by 2025. The USHST uses the fatal accident rate from CYs 2014-2018 (5 year average of 0.62 per 100K hours) as their baseline for measurement.
- The CY 2017-2021 5 year average fatal accident rate remained unchanged at 0.72 per 100K hours.
- For the years that will be included in the USHST’s final measurement in 2025 (CY 2020-2021), the average fatal accident rate remained unchanged at 0.70 per 100K hours.
Lee Roskop
Fleet Safety Section, AIR-723
Operational Safety Branch, Compliance & Airworthiness Division
817-222-5337
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