Let L-410NG — Overview & Key Specifications
A modernised evolution of the proven L-410 Turbolet: a twin-turboprop STOL commuter built for short, unpaved and hot-and-high operations, now with a new engine, propeller, wing, fuel capacity and a Garmin glass cockpit.
General Information
| Manufacturer | Let Aircraft Industries (LET Kunovice, Czech Republic) |
| Role | Twin-turboprop commuter / utility / cargo / special mission |
| Lineage | L-410 Turbolet (first flew 1969); NG first flew 2015 |
| Crew | 2 pilots |
| Capacity | 17- or 19-passenger versions (19 / 21 occupants incl. crew), or cargo / combi layouts |
| MTOW | ≈ 7,000 kg |
| Certification | EASA approved; VFR/IFR day and night; icing per 14 CFR Part 25 App. C |
Powerplant & Avionics
| Engines | 2 × GE Aviation Czech H85-200 turboprop (≈ 850 shp each), evolved from the GE H80 family (formerly Walter M601) |
| Propellers | Avia Propeller 5-blade composite, constant-speed, reversible, fully feathering |
| Avionics | Garmin G3000 integrated flight deck |
| Autopilot | Garmin GFC 700 digital AFCS |
| Safety aids | TAWS-B, TCAS I/II option, weather radar, ADS-B |
Note: the 5-blade Avia Propeller used on the NG is commonly cited as the AV-725 series; the V510 designation belongs to the earlier propeller line.
L-410NG vs. Classic L-410 UVP-E20
| Parameter | Classic L-410 UVP-E20 | L-410NG |
|---|---|---|
| Engine | GE/Walter H80-200 (≈ 750 shp) | GE H85-200 (≈ 850 shp) |
| Propeller | Avia V510 5-blade | Avia 5-blade composite (AV-725) |
| Max take-off weight | ≈ 6,600 kg | ≈ 7,000 kg |
| Fuel | Wing tanks | Larger, wet-wing integral tanks → longer range |
| Cockpit | Analogue / early glass | Garmin G3000 touchscreen glass |
| Wing / airframe | Original | Redesigned wing, wet-wing tanks, wingtip winglets* |
*Classic L-410 column and NG vs. classic differences are general type knowledge, not from the L410 wiki. NG figures in the other tables come from the AFM/AMM digests.
Dimensions
| Length | 15.07 m |
| Wingspan | 19.48 m (19.98 m with tip tanks) |
| Height (on ground) | 5.97 m |
| Wing area | 34.86 m² (without tips) |
| Landing-gear track | 3.65 m |
| Wheelbase | 3.67 m |
| Cabin pressure | Unpressurised |
Weights
| Max ramp | 7,020 kg |
| MTOW | 7,000 kg |
| Max landing weight | 6,800 kg |
| Max zero fuel | 6,600 kg (6,660 kg with tip tanks) |
| Usable fuel, wing | 1,159 L per side (927 kg) |
| Usable fuel, tip tank | 243.5 L per side (195 kg) |
Operating Envelope
| VMO | 210 KIAS (to 14,000 ft) |
| Max alt, with passengers | 14,000 ft (4,250 m) |
| Max alt, cargo/special | 20,000 ft (6,100 m) |
| Max airport alt | 13,000 ft (4,000 m) |
| Temperature | −50 °C to +50 °C |
| Take-off / landing performance | See AFM Section 5 |
Cabin & Configurations
Up to 19 seats with a 1+2 layout, a central aisle and a rear baggage compartment.
Seats removed; large rear door and reinforced floor with tie-down rails.
Mixed passenger and cargo with a movable bulkhead or net.
Medevac, skydiving, aerial survey, surveillance and VIP conversions.
Why it matters operationally
High-wing, rugged gear and large flaps allow short and unpaved runway operations.
Flat-rated H85-200 maintains power at high temperature and altitude.
Passenger, cargo, combi, skydiving, medevac, and surveillance conversions.
Aircraft Systems & Architecture
Tap a region on the schematic or open the cards below. Content is compiled from AFM Section 7 (Airplane Systems) and Section 2 (Limitations) via the L410 wiki system pages. Schematic is simplified.
Cockpit & Garmin G3000 Avionics
Tap a unit on the flight-deck schematic or open the cards below. Content is compiled from the G3000 Cockpit Reference Guide (190-02255-00 Rev. A, system software 2433.18 or later) and AFM Section 7 via the L410 wiki. The AFM always takes precedence.
Operating Limitations
Consolidated from AFM Section 2 (Do-L410NG-1210.2) as printed in the L410 wiki digest. For study only: the current approved AFM, its amendments for your serial number, and operator procedures always take precedence.
Key numbers
Emergency & Abnormal Procedures
Digest of AFM Section 3 (Emergency) and Section 3A (Abnormal), Do-L410NG-1210.2, via the L410 wiki. Steps marked ★ are memory items: act immediately, then confirm with the checklist.
Key speeds & definitions
Site and flight duration at pilot's discretion. Extended flight beyond the nearest approved landing area is not recommended.
Land without delay at the nearest suitable area (for example an open field) where a safe approach and landing is assured.