Mil MI-8 vs Sikorsky S-61N

The Mil Mi-8/Mi-17 and Sikorsky S-61 are heavy twin-turbine utility helicopters — both large-capacity transport/utility workhorses.

Live Market Snapshot

Current asking-price market, aggregated across multiple marketplaces · refreshed daily

Mil MI-8
For sale now
1
Listed on 2+ marketplaces
1
Source marketplaces
1
Model years available
2011–2011
Sikorsky S-61N

No active listings right now.

Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.

Safety Record

Absolute counts scale with fleet size — the most-produced types log more events without being less safe. Compare the % fatal.

NTSB (1982–now)MIL MI-8Sikorsky S-61N
All events16
Serious01
Fatal12
Fatalities1313
% Fatal100%33%

Full Specs Comparison

Swipe to see all specs
Spec / Model MIL MI-8 Sikorsky S-61N
View 1 listings →
Price Range
Category
Model Specifications
Seats 2 30
Cruise Speed 32 kts (59 km/h)
Range 267 nm (494 km)
Max Gross Weight 28,660 lbs (13,000 kg)
Engines 1 x Turboshaft 2 x Turboprop

Which Should You Buy: MIL MI-8 or Sikorsky S-61N?

Bottom line: Choose either by support/registration feasibility and component-life status — both are heavy haulers. The Mi-8 offers huge capacity at low acquisition cost (Russian-systems support is the key factor); the S-61 has Western support. Mi-8 = capacity/value; S-61 = Western-support.

Pick the MI-8 if…

Pick the S-61N if…

  • More seats — 30 vs 2.

Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.

Frequently Asked Questions

Which is better, MIL MI-8 or Sikorsky S-61N?
It depends on your mission and budget. The MI-8 cruises at 32 kts with 267 nm range. Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between MIL MI-8 and Sikorsky S-61N?
S-61N engine: General Electric CT58-140. Seats: 2 vs 30.
Which is cheaper to operate per hour?
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
MI-8: 2 seats. S-61N: 30 seats. Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data