METRO III – ICAO ANNEX 8 PART B – STANDARD REFERENCE DATA CONTENTS ITEM
PAGE
Flyover Noise Levels ...........................................................................................................................4B-1 Fuel Venting and Exhaust Emissions .................................................................................................4B-1 Wind Component Chart.......................................................................................................................4B-2 Compressibility and Position Error Correction to Indicated OAT (IOAT) ............................................ 4B-3 Relationship of Outside Air Temperature to ISA Temperature ........................................................... 4B-4 Airspeed Calibration – Normal System Gear Up, Flaps Up .....................................................................................................................4B-5 Gear Up, Flaps 1/4 .....................................................................................................................4B-6 Gear Down, Flaps 1/4 ................................................................................................................4B-7 Gear Down, Flaps 1/2 ................................................................................................................4B-8 Gear Down, Flaps Down ............................................................................................................4B-9 Ground Operation, Gear Down, Flaps 1/4 ............................................................................... 4B-10 Altimeter Correction – Normal System Gear Up or Down, Flaps Up ..................................................................................................... 4B-11 Gear Up or Down, Flaps 1/4 .................................................................................................... 4B-11 Gear Down, Flaps 1/2 ..............................................................................................................4B-11 Gear Down, Flaps Down ..........................................................................................................4B-11 Airspeed Calibration – Alternate System Gear Up, Flaps Up ................................................................................................................... 4B-12 Gear Down, Flaps 1/2 or Down ................................................................................................ 4B-13 Altimeter Correction – Alternate System Gear Up, Flaps Up ................................................................................................................... 4B-14 Gear Down, Flaps 1/2 ..............................................................................................................4B-15 Gear Down, Flaps Down ..........................................................................................................4B-15 Zero Thrust Stall Speeds ..................................................................................................................4B-16 Tire Limitation Chart ..........................................................................................................................4B-17
FAA APPROVED: MAY 22/89 REVISED: MAR 18/92
PERFORMANCE
4B-i 8AC
METRO III – ICAO ANNEX 8
THIS PAGE LEFT BLANK INTENTIONALLY
4B-ii 8AC
PERFORMANCE
MANUFACTURER'S DATA ISSUED: MAY 22/89
METRO III – ICAO ANNEX 8 FLYOVER NOISE LEVELS Flyover noise level measured in accordance with Appendix F to FAR 36 is 78.2 dB(A). NOTE No determination has been made by the Federal Aviation Administration that the noise levels of this aircraft are or should be acceptable for operation at, into, or out of any airport.
FUEL VENTING AND EXHAUST EMISSIONS This airplane complies with SFAR 27, "Fuel Venting and Exhaust Emissions Requirements for Turbine Engine Powered Airplanes," which is equivlent to FAR Part 34, effective September 10, 1990.
FAA APPROVED: MAY 22/89 REVISED: MAR 18/92
PERFORMANCE
4B-1 8AC
METRO III – ICAO ANNEX 8 WIND COMPONENT CHART EXAMPLE: GIVEN:
WIND VELOCITY = 25 KNOTS AT 40o OFF RUNWAY HEADING OBTAIN: HEADWIND COMPONENT = 19 KNOTS CROSSWIND COMPONENT = 16 KNOTS
30 o
35
20 o
10 o
NOTE DEMONSTRATED CROSSWIND COMPONENT IS 20 KNOTS.
30
35
25
o 50
30
20
E GL AY N A NW ) D IN RU ES W M RE O G FR (DE
25
o 60
20
15
o 70
15
HEADWIND COMPONENT (KNOTS)
D IN D W EE TS) SP NO (K
o 40
10
10
5
0 0
80o
5
5
10 15 20 25 CROSSWIND COMPONENT (KNOTS)
30
35
FIGURE 4B-1 4B-2 8AC
PERFORMANCE
FAA APPROVED: MAY 22/89
METRO III -LAO COMPRESSIBILITY AND POSITION ERROR CORRECTION OUTSIDE AIR TEMPERATURE (IOAT) TEMPERATURE PROBE RECOVERY FACTOR ASSUMES ZERO TEMPERATURE INDICATOR
TO INDICATED
.65 ERROR
EXAMPLE: INDICATED AIRSPEED = 181 KIAS PRESSURE ALTITUDE = 15,000 FEET IOAT = - 10% OBTAIN: AT = - 4.5% OAT = IOAT + AT =-lO+(-4.5) = - 14.5%
ANNEX 8
NOTE IS SHOWN FOR STANDARD DAY AMBIENT TEMPERATURES. FOR AMBIENT TEMPERATURES WITHIN rt40°C OF STANDARD, THE TEMPERATURE RISE MAY VARY BY AS MUCH AS i2.5% FROM THAT SHOWN.
GIVEN:
l
IOAT NOTED WHEN PARKED OR TAXIING MAY NOT BE ACCURATE.
0
-1
-2
3
4
-5
-6
-7
-8
-9
100
120
FAA APPROVED: MAY 22l89
140
160 180 200 220 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR)
FIGURE 4B-2 PERFORMANCE
240
260
4B-3 8AC
METRO III – ICAO ANNEX 8 RELATIONSHIP OF OUTSIDE AIR TEMPERATURE TO ISA TEMPERATURE 50
120
EXAMPLE: OAT = 15oC PRESSURE ALTITUDE = 10,000 FEET OBTAIN: CONDITION = ISA +20oC GIVEN:
40
110 100 90
30 80 70
20
60 50
10 IS
30
0o C
A
20
+2
A
+1
oC 0
IS
–10
+3
OAT (oF)
A
40 +4
0o C
IS
0
IS
OAT (oC)
A
10
0o C
A
IS
0
A
IS
–20
A
IS
oC 0
–1
–10 –20
oC 0 –2
A IS
–30
–3 A
IS
oC 0
–30
–4
–40
oC 0
A
IS
–40
–5 oC 0
A IS oC 0
–6
–50
–50 –60
MINIMUM OPERATING TEMPERATURE –60 S.L.
–70
5 10 15 20 25 PRESSURE ALTITUDE (THOUSANDS OF FEET)
30
FIGURE 4B-3 4B-4 8AC
PERFORMANCE
FAA APPROVED: MAY 22/89
METRO III -ICAO AIRSPEED CALIBRATION GEAR UP, FLAPS UP
- NORMAL
ANNEX 8
SYSTEM
EXAMPLE: GIVEN: OBTAIN:
INDICATED AIRSPEED = 125 KIAS GROSS \WEIGHT = 16,000 POUNDS (7260 kg) CALIBRATED AIRSPEED = 126 KCAS
260
240
180
160
140
120
100
80 8
FIGURE FAA APPROVED:
MAY 22l89
4B-4
PERFORMANCE
4B-5 8AC
METRO Ill -ICAO ANNEX 8 AIRSPEED CALIBRATION GEAR UP, FLAPS l/4
- NORMAL SYSTEM
100
80
48-6 8AC
80
100
120 140 160 180 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR)
FIGURE 4B-5 PERFORMANCE
200
220
FAA APPROVED: MAY 22189
METRO III -lCAO AIRSPEED CALIBRATION GEAR DOWN, FLAPS l/4
- NORMAL
ANNEX 8
SYSTEM
EXAMPLE: GIVEN: OBTAIN:
INDICATED AIRSPEED = 158 KIAS GROSS WEIGHT = ALL WEIGHTS CALIBRATED AIRSPEED = 159 KCAS
180
160
100
80 80
100
120 140 160 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR)
FIGURE FAA APPROVED:
MAY 22/89
180
4B-6
PERFORMANCE
4B-7 8AC
METRO III -ICAO ANNEX 8 AIRSPEED CALIBRATION GEAR DOWN, FLAPS l/2
- NORMAL SYSTEM EXAMPLE: GIVEN:
INDICATED AIRSPEED= 120 KIAS GROSS WEIGHT = 16,000 POUNDS (7260 kg) OBTAIN: CALIBRATED AIRSPEED = 120 KCAS‘ KCAS -’
180
11111111”“““““‘~““““~
160
80
60
t
80
100 120 140 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR)
160
180
FIGURE 4B-7 4B-8 8AC
PERFORMANCE
FAA APPROVED: MAY 22l89
METRO III -LAO AIRSPEED CALIBRATION - NORMAL GEAR DOWN, FLAPS DOWN
ANNEX 8
SYSTEM
EXAMPLE: GIVEN: OBTAIN:
INDICATED AIRSPEED = 108 KIAS GROSS WEIGHT = 10,000 POUNDS (4540 CALIBRATED AIRSPEED = 106 KCAS
kg)
180
160
80
60
f 60
80
100 120 140 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR)
160
180
FIGURE 48-8 FAA APPROVED:
MAY 22189
PERFORMANCE
4B-9 8AC
METRO III -LAO AIRSPEED
CALIBRATION
- FOR GROUND
OPERATION
ANNEX 8 - NORMAL
SYSTEM
GEAR DOWN, FLAPS l/4 EXAMPLE: GIVEN:
INDICATED AIRSPEED = 80 KIAS GROSS WEIGHT = ALL WEIGHTS OBTAIN: CALIBRATED AIRSPEED = 79 KCAS
140
130
120
110
100
80
60
50
60
70
80INDICATE:AIRSP: (ASSUMES
4B-10 8AC
NO INSTRUMENT
FIGURE 4B-9 PERFORMANCE
(KNOT:)’
120
130
140
ERROR)
FAA APPROVED: MAY 22l89
METRO I’ll -ICAO ANNEX 8 ALTIMETER
CORRECTION
- NORMAL SYSTEM
GEAR UP OR DOWN, FLAPS UP The altimeter correction is less than minus 30 feet throughout the normal operating range of airspeeds and altitudes. GEAR UP OR DOWN, FLAPS l/4 The altimeter correction is less than minus 30 feet throughout the normal operating range of airspeeds and for altitudes from sea level to 20,000 feet. GEAR DOWN, FLAPS l/2 The altimeter correction is less than minus 30 feet throughout the normal operating range of airspeeds and for altitudes from sea level to 10,000 feet. GEAR DOWN, FLAPS DOWN EXAMPLE: GIVEN: OBTAIN:
-60
INDICATED AIRSPEED = 124 KNOTS INDICATED ALTITUDE = 5,000 FEET GROSS WEIGHT = 12,000 POUNDS CORRECTED ALTITUDE = (5,000 -29) = 4,971 FEET
70
80 (INDICATED
FAA APPROVED: MAY 22l09
90 ALTITUDE
100
(5440
kg)
110
120
130
INDICATED AIRSPEED (KNOTS) AND AIRSPEED ASSUME NO INSTRUMENT
FIGURE 4B-10 PERFORMANCE
140
150
160
ERROR)
4B-11 8AC
METRO III -LAO AIRSPEED CALIBRATION GEAR UP, FLAPS UP
- ALTERNATE
ANNEX 8
SYSTEM
EXAMPLE: GIVEN: OBTAIN:
INDICATED CALIBRATED
AIRSPEED AIRSPEED
= 172 KIAS = 170 KCAS
l
l
DO
NOT
DUMP
THE
AIRSPEED
PRESSURIZATION
CORRECTION
WHEN
GIVEN
IS
USING
NOT
VALID
THE
IF
NOTE THE NOT
COPILOTS CONNECTED
STATIC PRESSURE TO THE ALTERNATE
INSTRUMENTS ARE STATIC SOURCE. I
240
220
180
160
120
100
80 810
100
120
140 160 180 200 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR) FIGURE
48-l 2 8AC
220
240
260
4B-11
PERFORMANCE
FAA APPROVED:
MAY 22189
METRO III -ICAO AIRSPEED CALIBRATION - ALTERNATE GEAR DOWN, FLAPS l/2 OR DOWN
ANNEX 8
SYSTEM
EXAMPLE: GIVEN: OBTAIN:
l
l
INDICATED CALIBRATED
DO
NOT
DUMP
THE
AIRSPEED
AIRSPEED AIRSPEED
PRESSURIZATION
CORRECTION
WHEN
GIVEN
INOTE/ THE NOT
COPILOT3 CONNECTED
= 114 KIAS = 116 KCAS
STATIC PRESSURE TO THE ALTERNATE
IS
USING
NOT
VALID
THE
IF
INSTRUMENTS ARE STATIC SOURCE.
180
180
80
80
60
80
100 120 140 INDICATED AIRSPEED (KNOTS) (ASSUMES NO INSTRUMENT ERROR) FIGURE
FAA APPROVED:
MAY 22f89
160
180
48-12
PERFORMANCE
48-13 8AC
ALTtMETER
CORRECTtON
- ALTERNATE
SYSTEM
GEAR UP, FLAPS UP EXAMPLE: GIVEN:
INDiCATED AIRSPEED = 165 KNOTS INDICATED ALTITUDE = 20.000 FEET OBTAIN: CORRECTED ALTITUDE = (20,000 - 120) = 19,660 FEET
-1 l
l
CAUTION 1 DO NOT DUMP PRESSURIZATION THE ALTERNATE STATIC SOURCE.
WHEN USING
THE AIRSPEED CORRECTION GIVEN IS NOT VALID IF THE DUMP VALVE IS OPEN.
NOTE THE COPILOT’S STATIC PRESSURE INSTRUMENTS ARE NOT CONNECTED TO THE ALTERNATE STATIC SOURCE.
3
m -I a 0 -I
0 D 0 D z z m X 00
METRO Ill -ICAO ALTIMETER
CORRECTION
- ALTERNATE
ANNEX 8
SYSTEM CAUTION
l
l
DO NOT DUMP PRESSURIZATION ALTERNATE STATIC SOURCE. THE ALTIMETER CORRECTION DUMP VALVE IS OPEN.
WHEN
USING
THE
GIVEN IS NOT VALID IF THE
NOTE The copilot’s static pressure instruments are not connected to the alternate static source. GEAR DOWN, FLAPS l/2 The altimeter correction varies from plus 30 feet at 80 KIAS to minus 10 feet at 180 KIAS for altitudes from sea level to 10,000 feet. GEAR DOWN, FLAPS DOWN EXAMPLE: GIVEN:
INDICATED AIRSPEED = 142 KNOTS INDICATED ALTITUDE = 10,000 FEET OBTAIN: CORRECTED ALTITUDE = (10,000 - 35) = 9,965 FEET
60
70
80
100 130 140 150 110 120 INDICATED AIRSPEED (KNOTS) (INDICATED ALTITUDE AND AIRSPEED ASSUME NO INSTRUMENT ERROR)
FAA APPROVED: MAY 22/89
90
FIGURE 48-14 PERFORMANCE
160
4B-15 8AC
METRO III – ICAO ANNEX 8 ZERO THRUST STALL SPEEDS EXAMPLE:
NOTE • SPEEDS ARE BASED ON TESTS WITH BOTH PROPELLERS FEATHERED AND DEICE BOOTS DEFLATED.
GIVEN:
GROSS WEIGHT = 14,000 POUNDS (6350 kg) FLAPS = 1/4 BANK ANGLE = 20o OBTAIN: STALL SPEED = 96 KIAS
• SAS PUSHER IS SET AT FLIGHT IDLE POWER TO THE ZERO THRUST STALL SPEEDS WITH —0, +4 KIAS TOLERANCE. • THE CENTER OF GRAVITY IS THE MOST FORWARD ABLE AT EACH WEIGHT.
ALLOW-
• THE GEAR IS UP OR DOWN FOR FLAPS UP AND 1/4. • THE GEAR IS DOWN FOR FLAPS 1/2 AND DOWN. • MAXIMUM ALTITUDE LOSS DURING RECOVERY FROM FLIGHT IDLE POWER STALL PER FAR 23.201 IS APPROXIMATELY 800 FEET. • MAXIMUM NOSE DOWN PITCH ATTITUDE CHANGE AND ALTITUDE LOSS DURING RECOVERY FROM SINGLE ENGINE, POWER ON STALLS PER FAR 23.205 ARE APPROXIMATELY 10o AND 390 FEET, RESPECTIVELY.
GROSS WEIGHT (KILOGRAMS) 6500 6000 5500 5000
4500
REFERENCE LINE
7000
140
130
110
FLA
PS U
FLA
FLAP
100
P
PS 1
/4
S 1/2 S DO WN
FLAP
90
STALL SPEED (KIAS)
120
80
70
16,000
15,000
14,000 13,000 12,000 GROSS WEIGHT (POUNDS)
11,000
10,000
0
20 40 60 BANK ANGLE (DEGREES)
60
FIGURE 4B-15 4B-16 8AC
PERFORMANCE
FAA APPROVED: MAY 22/89
9 5:
0 w
FAA APPROVED:
2 E
F3 I--
5
F n
FIGURE
4B-16
METRO III -ICAO
MAY 22/89
PERFORMANCE
ANNEX 8
4B-17 8AC
METRO III – ICAO ANNEX 8
THIS PAGE LEFT BLANK INTENTIONALLY
4B-18 8AC
PERFORMANCE
FAA MANUFACTURER'S APPROVED: MAY DATA 22/89 ISSUED: MAY 22/89