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AJS-37 Viggen Quick Reference

V-SPEEDS

Speed	Value	Description
Rotate	~250-270 km/h	Rotation with AB
Approach	~280-320 km/h	Weight dependent
Gear Limit	400 km/h	Max gear extended
Thrust Reverser	Below 150 km/h	Continue reverse braking
Vmax	2,231 km/h (Mach 2.1)	Never exceed

POWER SETTINGS

Phase	Setting
Takeoff	FULL MIL then AB (3 stages)
Climb	AB reducing to MIL
Cruise	70-80% MIL
Low Level Attack	MIL or AB as required
Landing	Reduce smoothly to idle + reverser

FLAP SCHEDULE

Setting	Max Speed	Use
UP	Any	Cruise
AUTO CANARD	Any	Normal flight (automatic)
LAND	< 400 km/h	Landing

ENGINE LIMITS

Parameter	Value
Max EGT (Takeoff)	710 C
Max EGT (Continuous)	670 C
Idle N1	65-68%
Oil Pressure	Normal (auto managed)

KEY NUMBERS

Parameter	Value
Internal Fuel	6,180 kg
Max G	+7.0 / -3.0
Gun Rounds	150 (Akan m/75 30mm)
STOL Field Roll	~400-500 m with AB
Thrust Reverser	Reduces landing roll by 50%
Road Strip Width	Minimum 9 m

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FighterCold War

AIRCRAFT BRIEF

The Saab AJS-37 Viggen (Thunderbolt) is one of the most impressive aircraft of the Cold War era - a Swedish all-weather multi-role combat aircraft designed to operate from dispersed road bases across Sweden. First flying in 1967 and entering service in 1971, it featured a distinctive canard-delta configuration, a thrust reverser for short-field landing, and an advanced digital computer for its era. The AJS-37 is an upgraded attack/reconnaissance/anti-shipping variant that remained in service until 2005.

RANGE VISUALIZER

Startup Walkthrough

SPECIFICATIONS

manufacturer: Saab AB
first Flight: 1967
role: Multi-role attack / reconnaissance / anti-shipping
crew: 1 pilot
engines: 1x Volvo RM8B (28,110 lbf with AB)
max Speed: 2,231 km/h (Mach 2.1)
range: 2,000 km (1,080 nmi)
ceiling: 60,000 ft
weight: 20,500 kg (MTOW)

Sources: Saab 37 Viggen - Wikipedia, Chuck's Guide - DCS AJS-37 Viggen, Viggen - Swedish Armed Forces