# Lun-class ekranoplan MD-160 (Project 903)

> What are the dimensions of the Lun-class ekranoplan (MD-160)?

- Category: Ground-effect craft › Soviet and Russian ekranoplans (large)
- Kind: Modern device
- Basis: Secondary source: Wikipedia, GlobalSecurity.org, Old Machine Press (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/lun-class-ekranoplan-md-160/ · JSON: https://xemstudio.com/api/geometry?object=lun-class-ekranoplan-md-160 · Plain text: https://xemstudio.com/objects/lun-class-ekranoplan-md-160/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 73800 | 44000 | 19200 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- MD-160 is the only completed Lun-class missile ekranoplan; it served with the Caspian Flotilla from 1987 and is being restored as an exhibit at Patriot Park, Derbent.
- The file is a 73.8 × 44.0 × 19.2 m box; Wikipedia, GlobalSecurity and Old Machine Press agree on these three sizes. Empty weight differs between sources (286 t vs 243 t).
- No manufacturer drawing is public, so the entry is marked secondary.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Length | 73.8 m (242 ft 2 in) |
| Wingspan | 44.0 m (144 ft 4 in) |
| Height | 19.2 m (63 ft 0 in) |
| Wing area | 550 m² |
| Draught | 2.5 m (8 ft 2 in) |
| Empty weight | 286,000 kg (Wikipedia); 243,000 kg (Old Machine Press) |
| Maximum take-off weight | 380,000 kg (GlobalSecurity: 400 t take-off weight) |
| Powerplant | 8 × Kuznetsov NK-87 turbofans, 127.4 kN (28,600 lbf) each, on the forward canard pylon |
| Maximum speed | 550 km/h |
| Cruise speed | 450 km/h at 2.5 m |
| Range | 2,000 km |
| Ground-effect flying height | 1–5 m (GlobalSecurity, Old Machine Press) |
| Armament | 6 × P-270 Moskit anti-ship missile launchers; 4 × 23 mm PI-23 cannon in two twin turrets |
| Crew | 15 (6 officers, 9 enlisted) |

## Where the files are

- Wikipedia: [Lun-class ekranoplan](https://en.wikipedia.org/wiki/Lun-class_ekranoplan) — web — Publisher's page; dimensions are facts
- GlobalSecurity.org: [Project 903 Lun – specifications](https://www.globalsecurity.org/military/world/russia/903-specs.htm) — web — Publisher's page; dimensions are facts
- Old Machine Press: [Lun-class and Spasatel ekranoplans](https://oldmachinepress.com/2019/12/05/lun-class-spasatel-ekranoplans) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/lun-class-ekranoplan-md-160/index.json

- lun-class-ekranoplan-md-160-envelope: [STEP](https://xemstudio.com/files/hardware/lun-class-ekranoplan-md-160/lun-class-ekranoplan-md-160-envelope.step) · [STL](https://xemstudio.com/files/hardware/lun-class-ekranoplan-md-160/lun-class-ekranoplan-md-160-envelope.stl) — Envelope 73800 × 44000 × 19200 mm (Real craft: overall length × wingspan × overall height as published)

## Questions

**How big is the Lun ekranoplan?**

73.8 m long, 44.0 m wingspan and 19.2 m high.

**What engines does the Lun use?**

Eight Kuznetsov NK-87 turbofans of 127.4 kN thrust each, mounted on the forward pylon.

## Fits with

- [Alexeyev KM 'Caspian Sea Monster' ekranoplan (1966)](https://xemstudio.com/objects/alexeyev-km-caspian-sea-monster/)
- [A-90 Orlyonok ekranoplan (Project 904)](https://xemstudio.com/objects/a-90-orlyonok-ekranoplan/)