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Mosquito FB Mk VI Emergency Procedures

Mosquito FB Mk VI Emergency Procedures - Full Reference

All 5 procedures with immediate action steps, in full.

Engine Fire

Immediate actions · 7 steps

1
Throttle (affected engine)CLOSE
2
PropellerFEATHER (hold pushbutton until it stays in)
3
Fuel cut-out handle (affected engine)PULL OUT
4
Radiator shutter (affected engine)CLOSED
5
Ignition (affected engine)OFF
6
Fire extinguisher pushbuttonPRESS
7
MAYDAYDECLARE; land as soon as possible

Engine Failure in Flight

Immediate actions · 7 steps

1
IdentifyDEAD FOOT, DEAD ENGINE
2
Throttle (dead engine)CLOSE
3
Propeller (dead engine)FEATHER immediately
4
Radiator shutterDEAD ENGINE CLOSED, LIVE ENGINE OPEN
5
Bank2-3 DEG TOWARD LIVE ENGINE (raise the dead)
6
SpeedMAINTAIN 160-170 MPH (never turn into the dead engine)
7
MAYDAYDECLARE; height holds to ~12,000 ft on one engine at full load

Single-Engine Landing

Immediate actions · 5 steps

1
Dead engine propellerCONFIRM FEATHERED
2
Speed clean160-170 MPH until circuit established
3
Gear downALLOW ~30 SECONDS (one hydraulic pump only)
4
Flaps15 DEG initially; do not go below 155 mph until field is made
5
Go-aroundONLY above 155 mph and before 15 deg flap; +9 psi / 2,850 RPM, gear up first

Coolant Overheat

Immediate actions · 6 steps

1
Radiator shutter (affected engine)OPEN
2
Throttle and RPMREDUCE
3
AirspeedINCREASE (shallow climb or slight descent)
4
MixtureCONFIRM RICH
5
TemperaturesCHECK EVERY 30 SECONDS
6
Land as soon as practicable; feather if coolant exceeds 135 C

Forced Landing

Immediate actions · 6 steps

1
Best glide140 MPH (both engines out)
2
MAYDAYDECLARE
3
FieldSELECT INTO WIND
4
Drop tanks and storesJETTISON
5
GearDOWN only if the field is assured (high drag once lowering)
6
FlapsAS REQUIRED below 150 mph; escape door JETTISON before touchdown

Stanley Devon (RAF official photographer), Imperial War Museums (CH 12415), via Wikimedia CommonsPublic Domain

FighterWWII

AIRCRAFT BRIEF

The de Havilland DH.98 Mosquito was a British twin-engine combat aircraft built almost entirely of wood, earning it the nickname 'The Wooden Wonder'. Conceived as an unarmed fast bomber that would rely on speed alone for protection, it first flew in November 1940 and by 1941 was one of the fastest operational aircraft in the world, comfortably outrunning the Spitfire Mk II. The FB Mk VI, which first flew in 1942 and entered service in 1943, became the most-produced and most versatile variant, a fighter-bomber armed with four 20mm Hispano cannon and four .303 machine guns that could also carry bombs, rockets and drop tanks. It served with distinction in strike, intruder, anti-shipping and pathfinder roles, including the famous low-level raids on Amiens prison and the Gestapo headquarters in Oslo and Copenhagen.

Startup Walkthrough

SPECIFICATIONS

manufacturer: de Havilland Aircraft Company
first Flight: 1940 (prototype); 1942 (FB Mk VI)
role: Fighter-bomber / strike / intruder
crew: 2 (pilot and navigator)
engines: 2x Rolls-Royce Merlin 25 (1,635 hp each)
max Speed: 378 mph (608 km/h) at 13,200 ft
range: 1,500+ miles (2,400 km) with drop tanks
ceiling: 33,000 ft
weight: 20,500 lb (9,300 kg) MTOW

Sources: De Havilland Mosquito - Wikipedia, Chuck's Guide - DCS DH98 Mosquito FB Mk VI, De Havilland Mosquito - de Havilland Aircraft Museum