Key numbers

070 Operational ProceduresChapter 6

Approach minima

CAT	DH	RVR
I	200 ft	550 m
II	100 ft	300 m
IIIA	100 ft or none	200 m
IIIB	50 ft or none	75 m
LVTO	—	under 400 m RVR

Facility	Lowest DH/MDH
ILS/MLS/GLS	200 ft
GNSS LNAV	250 ft
VOR	300 ft
NDB	350 ft

Aircraft categories (VAT = 1.3 Vso)

Cat	VAT	MDH	Vis (m)	Max circling
A	under 91 kts	400 ft	1,500	100 kts
B	91–120	500 ft	1,600	135 kts
C	121–140	600 ft	2,400	180 kts
D	141–165	700 ft	3,600	205 kts

Alternates and fuel

Item	Value
Take-off alt (2 eng)	1 hr OEI
Take-off alt (3–4 eng)	2 hr OEI
Min IFR visual approach RVR	800 m
NPA threshold RVR	over 750 m
Final reserve (jet)	30 min at 1,500 ft hold
Final reserve (recip)	45 min
Isolated aerodrome (jet)	2 hr cruise + final reserve
No alternate allowed	FT under 6 hr, 2 runways, vis 5 km+, ceiling 2,000 ft AAL

ETOPS

Class	OEI limit
A (≥ 20 seats or ≥ 45,360 kg)	60 min
A (under thresholds)	120 min
B & C (non-ETOPS)	120 min or 300 nm

Oxygen

Item	Value
Quick-don masks	above FL250
One pilot on O₂	above FL410
Masks carried	110% seating above FL250
Cabin altitude warning	10,000 ft
Pax drop-out masks	15,000 ft cabin
Pure O₂ (diluter-demand)	above FL320
First aid O₂ required	above FL250 or cabin 8,000–15,000 ft
First aid O₂ supply	2% pax (min 1)
PBE duration	15 min
Crew efficiency limit	8,000 ft
Performance degradation	above 6,000 ft

Equipment thresholds

Equipment	Requirement
Megaphones (61–99 seats)	1
Megaphones (100+ seats)	2
Crash axe	MCTOM over 5,700 kg or MOPSC over 9
Extra crash axe	MOPSC over 200 (rearmost galley)
PA system	MOPSC over 19
Emergency lighting	MOPSC over 19, lasts 10 min
ELT battery	48 hr
FDR recording	25 hr
CVR recording	30 min or 2 hr
FDR retention after accident	60 days
Tech log retention	36 months

Fire extinguishers (MOPSC)

Seats	Extinguishers
7–30	1
31–60	2
61–200	3
201–300	4
301–400	5
401–500	6
501–600	7
601+	8

Plus 1 in flight deck when asked for total.

First aid kits

Seats	Kits
0–100	1
101–200	2
201–300	3
301–400	4
401–500	5
501+	6

Crew and training

Item	Validity
Line check	12 months
LPC	12 months
OPC	6 months
Dangerous goods	24 months
Cabin crew ratio	1 per 50 seats
Min cabin crew age	18 years
Senior cabin crew experience	12 months
Recent experience	3 T/O & LND in 90 days
IFR recency	5 IFR flights, 3 approaches in 90 days

RVSM and MNPS

Item	Value
RVSM levels	FL290–FL410
RVSM pre-flight check	± 75 ft
In-flight altimeter check	± 200 ft
Level-off rate	under 1,500 fpm
Level tolerance	± 150 ft
MNPS airspace	FL285–FL420, 27°N–90°N
MNPS lateral separation	60 nm
NAT clearance	40 min before entry
NAT squawk	2000 after 30 min in NAT
ETA revision report	3 min or more
Air-to-air VHF (out of range)	123.45 MHz

Wake turbulence

Category	Mass
Heavy	over 136,000 kg
Medium	7,001–135,999 kg
Light	up to 7,000 kg

Time separation: 2 min (3 min light behind heavy/medium at intermediate point).

Runway and hydroplaning

Item	Value
Contaminated	over 25% surface, over 3 mm depth
Hydroplaning (T/O, PSI)	9 × √P
Hydroplaning (LDG, PSI)	7.7 × √P
Fuel jettison time	within 15 min
Fuel jettison altitude	preferably above FL060
Evacuation time	90 sec (50% exits)

Duty limits

Limit	Value
Duty (7 days)	60 hr
Duty (14 days)	110 hr
Duty (28 days)	190 hr
Flight time (28 days)	100 hr
Flight time (year)	900 hr
Rest (home base)	12 hr
Rest (away)	10 hr
WOCL	0200–0559

Key fact

VAT = 1.3 × Vso. Approach continuation below 1,000 ft AAL only if above minima. Squawk 7500/7600/7700 for hijack/radio failure/emergency. Life rafts required over 120 min or 400 nm (lesser) from land; life jackets over 50 nm from shore.