175 LIMITATIONS Flashcards
MAX RAMP WEIGHT?
ERJ 175 (76) 85870 ERJ 175 (70) 85450
MAX TAKE OFF WEIGHT?
ERJ 175 (76) 85517 ERJ 175 (70) 85098
MAX LANDING WEIGHT?
ERJ 175 (76) 74957 ERJ 175 (70) 74957
MAX ZERO FUEL WIGHTS?
ERJ 175 (76) 69886 ERJ 175 (70) 69467
FUEL LOAD FOR A LONG FLIGHT WITH STRONG HEAD WIND DECIDE ADD MORE FUEL. WAHT IS MAX FUEL WEIGHT?
20935
WING SPAN
93’ 11”
LENGTH
103’ 11”
DURING TAXIN IN DEN, WE ARE INSTRUCTED TO TAXI UNDER THE PAX BRIDGE. THE SIGN SAYS IT HAS 43 FEET OF CLEARANCE, CAN WE TAXI UNDER SAFELY?
YES
175 TAIL IS 32’ 4”
A TAXIWAY IS NOTAMD CLOSED TO AIRCRAFT WITH WINGSPAN OVER 100” CAN WE USE THIS TAXIWAY WITH THE ERJ 175
YES SINCE ERJ 175 WING SPAN
93’ 11”
MIN RUNWAY WITH
MAXIMUM RUNWAY SLOPE?
MAXIMUM TAILWIND SPEED FOR T/O AND LDG
100”
+/- 2%
15 KTS
MAX OPERATIONAL ALT
MAX T/O ALT
MAX LANDING ALT
41,000 FT
10000 FT
10000 ft
MAX TEMP FOR T/O
MAX TEMP LDG
ISA + 35C (52C)
ISA + 35C (52C)
MIN TEMP T/O
MIN TEMP LDG
- 40C
- 40C
WHAT IS REQUIRED IF A LANDING OCCURS BELOW -40C?
THE AIRPLANE MAY NOT TAKEOFF WITHOUT FURTHER MX INSPECTION
MAX SINGLE PACK OPERATIONAL ALT?
31,000
ATC ASKS IF YOU CAN TAKE 42000 FOR TRAFFIC. CAN YOU?
NO, MAX ALT 41000.
MAX OPERATING SPEED LIMITS KIAS?
SL - 8000 FT.
10,000 MACH TRANSITION
VMO = 300 KIAS
VMO = 320 KIAS
MAX OPERATING SPEED LIMIT IN MACH
MMO = 0.82
HOW DO MAX OPERATING SPEED LIMITS CHANGE WITH ALT?
SL - 8000 STAYS CONS AT 300 KIAS
8000 - 10000 INCREASES TO 320 KIAS
10000 - 290000 STAYS 320 KIAS
29,000 - 41,000 DECREASES FROM 320 DOWN TO 243 KIAS / MMO .82M
VA
240 KIAS
MANEUVERING FLIGHT LOAD FACTOR LIMITS?
POSITIVE FLAPS UP FLAPS DOWN
NEGATIVE FLAPS UP FLAPS DOWN
POSITIVE FLAPS UP = 2.5 G FLAPS DOWN = 2.0 G
NEGATIVE FLAPS UP = 1.0 G FLAPS DOWN = 0 G
WHAT ARE THE MAX GUST INTENSITY / TURB PENETRATION SPEED?
LESS THAN 10,000 VB = 250 KIAS
EQUAL AND GREATER VB LOWEST OF 270 KIAS OR .
0.76 MACH
IS TURB PENETRATION SPEED A TARGET OR A MAXIMUM SPEED?
TARGET SPEED
MAXIMUM RAM AIR TURBINE DEPLOYMENT SPEED?
V RAT DEPLOY MAX = VMO/MMO
MAX WIPER OPERATION SPEED?
SKYWEST 250 KIAS
MANUFACTURER 253 KIAS
MAX SPEED TO OPEN DV WINDOW?
160 KIAS
MAX LANDING GEAR RETRACTION SPEED?
MAX LANDING GEAR EXTENSION SPEED?
VLO RETRACTION = 250
VLO EXTENSION = 250
MAX LANDING GEAR OPERATION SPEED?
VLE = 250 KIAS
VLE IS THE MAX SPEED AT WHICH THE AIRPLANE CAN BE SAFELY FLOWN WITH THE GEAR EXTENDED AND LOCKED.
MAXIMUM TIRE GROUND SPEED?
V TIRE = 195KT. OR 225 MPH
COULD BE AN ISSUE AT HOT AND HIGH ALT AIRPORTS WITH SLAP FAIL SCENARIO.
FLAP LIMITATION SPEEDS VFE 1 VFE 2 VFE 3 VFE 4 VFE 5 FULL
VFE 1 230 VFE 2 215 VFE 3 200 VFE 4 180 VFE 5 180 FULL 165 RECOMMENDED TO NOT EXTEND OR FLY WITH THE FLAPS EXTENDED AT SPEED GREATER VFE -10 KTS
MAX TAIL WIND T/O AND LANDING
MAX DEM XWIND FOR DRY RUNWAY
15KT
38KT
MAX DEM XWIND FOR DRY RUNWAY
MAX DEM XWIND FOR WET RUNWAY
38KT
31KT
MAX DEM CROSS WIND FOR COMP SNOW?
MAX DEM CROS WIND FOR STAND WATER/ SLUSH/ WET SNOW/ DRY SNOW
20KT
18KT
MAX DEM XWIND FOR RWY ICE?
- T/O
- Landing
MAX RECOMMENDED X WIND FOR STATIC T/O
- 12KT
- 8kt
25kt
CAT II LIMITATIONS WINDS
175 CAT II ILS DEMONSTRATED WINDS?
HEADWIND
CROSSWIND
TAILWIND
X WIND 12
TAIL WIND 15
HEADWIND 25
CROSS WIND 12
TAILWIND 10
MINIMUM SPOILER SPEED?
180KTS
MAX TAXI SPEEDS ON CONTAMINATED SURFACE?
STRAIGHT
TURN
STRAIGHT 10
TURN 5
WHAT INFO CAN THE GREEN DOT PROVIDE? 1 2 3 4 5 6
- 1.3G ABOVE SHAKER WITH 40 DEGREES BANK PROTECTION
- SINGLE ENGINE DRIFTDOWN SPEED
- FLAP EXTENSION SPEED
- GREEN DOT MAY BE USED AS AN APPROACH SPEED DURING AN EMERGENCY RETURN TO FIELD
- GREEN DOT + 10KNOTS IS USED TO RETRACT THE FLAPS IF “F-BUG” DISAPPEARS.
- BEST ENDURANCE (TIME IN FLIGHT: MINIMUM FUEL, EMERGENCY FUEL)
WHEN CAN THE APU BE STARTED DURING THE AIRPLANE POWER UP PHASE?
WAIT 30 SEC AFTER THE EiCAS IS ENERGIZED TO START THE APU
AFTER THE EiCAS IS POWERED, HOW LONG MUST WE WAIT BEFORE STARTING THE APU?
30 SEC
FOR HOW LONG CAN THE APU BE LEFT OPERATING WITOUT BEING ATTENDED?
5 MIN (SKYWEST LIMIT)
WHAT ARE THE APU STARTER DUTY CYCLE OPERATION LIMITS?
START ATTEMPT 1: 60 SEC OFF
START ATTEMPT 2: 60 SEC OFF
START ATTEMPT 3: 5 MIN OFF
UP TO WHAT ALTITUDE MAY THE APU BE STARTED?
30,000 FT.
APU MIN START AMBIENT TEMPERATURE?
MAXIMUM APU START AMBIENT TEMP?
-54 C
ISA + 35
APU MINIMUM OPERATIONAL TEMP?
MAXIMUM OPERATIONAL TEMP?
-54 C
ISA +35
APU MAXIMUM OPERATIONAL ALT?
33,000FT.
WHAT ALT MAY THE APU GEN BE USED TO?
WHAT ALT APU ENG START ASSIST?
33000 FT.
21000 FT.
WHAT ALT APU BLEED AIR BE USED?
15,000 FT.
AN IDG FAILS INFLIGHT. THE QRH INSTRUCTS TO START THE APU. WHAT PARAMETERS SHOULD BE VERIFIED BEFORE STARTING THE APU?
- MAX START ALT 30,000 DESCEND IF ABOVE THAT ALT.
- MINIMUM TEMP = -54 C
MAXIMUM = ISA +35 (CHECK FMS PROG PAGE 3 FOR CURRENT ISA) CHANGE ALT TO BE WITHIN APU TEMP RANG LIMITS
AFTER HAVING DESEND DOWN TO FL3000 TO START THE APU, TO SAVE FUEL, UP TO WHAT ALT CAN WE CLIMB THE ERJ 175 BACKUP TO?
FL 330
AUTO PILOT MIN ENGAGEMENT HEIGHT?
AFTER T/O, WHEN CAN THE AUTOPILOT BE ENGAGED?
400 FT.
400 FT. AGL
WHAT IS THE AUTOPILOT MINIMUM USE HEIGHT ON NON-PRECISION APPROACHES?
MDA
WHAT IS THE AUTOPILOT MINIMUM USE HEIGHT?
50FT.
WHAT IS THE BRAKE TEMP REQUIREMENT FOR T/O?
BRAKE TEMP INDICATION MUST BE IN THE GREEN RANGE FOR T/O
WHAT IS REQUIRED TO LAND ON A CONTAMINATED RUNWAY?
- AUTOBRAKES MEDIUM
2. MAX REVERSE
UP TO HOW MANY APPLICATIONS CAN THE EMERGENCY / PARKING ABLE TO PROVIDE?
6 FULL BRAKE APPLICATIONS.
MINIMUM BATTERY VOLTAGE REQUIREMENT?
22.5 V
MINIMUM VOLTAGE REQUIRED TO POWER UP AIRPLANE?
22.5 V
WHEN WOULD YOU NEED TO PERFORM THE SOPM CHARGING PROCEDURE?
WHEN BATTERY VOLTAGE FOR EITHER BATTERY IS BETWEEN 21.0 AND 22.4V < 21.0 V = CONTACT MAINTENANCE.
WHAT IS THE MINIMUM RAT START SPEED (QRH)?
150 KIAS
WHAT MAXIMUM SPEED CAN THE RAT BE DEPLOYED AT?
VMO / MMO
ONCE THE RAT HAS BEEN DEPLOYED, WHAT MINIMUM SPEED MUST BE MAINTAINED FOR IT TO OPERATE?
130 KIAS
EXPLAIN THE RAT AUTO DEPLOY OPERATION?
WHENEVER AC POWER SOURCE (IDG1/2,APU) ARE NOT POWERING AC BUSES 1 AND 2 INFLIGHT, THE RAT IS AUTOMATICALLY DEPLOYED.
AFTER 8 SECONDS, IT LATCHES AND SUPPLIES POWER TO THE: 1 AC ESS BUS
2. ACMP 3A
ONCE DEPLOYED IT WILL CREATE A VERY LOUD NOISE DUE TO THE HIGH ROTATION SPEED AND CANNOT BE STOWED BACK IN FLIGHT, EVEN IF NORMAL ELECTRICAL POWER IS REESTABLISHED
MAX ENGINE START ITT?
815 C