AC 91-89

Advisory circular · Mitsubishi MU-2B Training Program

Approved
July 22, 2016
Last reviewed
August 5, 2024
Family
AC 91-89 · 1 version
14 CFR parts
61, 91, 135, 141, 142

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed August 14, 2026.

Show pages 104–115
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Appendix А Figure C-12a

GEAR AND FLAP EXTEND SCHEDULE (F+ AND G+ ARE MODIFIED BY S/R10) GEAR B, D, F, F+: 160 KCAS G, G+: 170 KCAS FLAPS 5° 20° 40° G: NOT MODIFIED BY S/R10 146 KCAS 146 KCAS 120 KCAS G+: MODIFIED BY S/R10 175 KCAS 146 KCAS 120 KCAS F: NOT MODIFIED BY S/R10 140 KCAS 140 KCAS 120 KCAS F+: MODIFIED BY S/R10 175 KCAS 140 KCAS 120 KCAS B, D 140 KCAS 140 KCAS 120 KCAS A-110

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Appendix A Figure C-13 MU-2B B, D (-10), F (-20), G (-30)

EMERGENCY DESCENT (HIGH SPEED) *CLEAR AREA, CRUISE POWER LEVERS F/I. NOTE

CONFIGURATION START CONDITION LEVERS T/O DECREASE INDICATED AT ASSIGNED ALTITUDE. AND LAND SYNC OFF. AIRSPEED BY 5 KCAS A/S 150 KCAS MIN. BELOW 250 KCAS, FOR EACH 1,000 FT ABOVE 21,300 FT

SIMULATE EXPLOSIVE

DECOMPRESSION AT DECLARE EMERGENCY ASSIGNED ALTITUDE. OXYGEN MASKS ON. ESTABLISH DESCENT IN A 30° BANK, ACCELERATING TO Vmo (250 KCAS). INITIAL 15-20° NOSE DOWN, REDUCING TO APPROX. 8° NOSE DOWN AS A/S APPROACHES Vmo (250 KCAS).

CHECK 1000 FT *WHILE CLEARING THE AREA, AFTER ESTABLISHING DESCENT, KEEP WINGS ABOVE LEVEL

COORDINATE WITH AIR TRAFFIC CONTROL LEVEL, CONTINUE DESCENT ON STEADY HEADING OFF ALTITUDE TO CLEAR TRAFFIC AT LOWER ALTITUDES. OR AS REQUIRED BY ATC 700 FT ABOVE, START

LEVEL OFF COMPLETE EXERCISE AT ASSIGNED ALTITUDE.

REDUCE SPEED TO 200 KCAS A-111

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Appendix A Figure C-14 MU-2B B, D (-10), F (-20), G (-30)

UNUSUAL ATTITUDE RECOVERY (NOSE HIGH) UNLOAD AND INITIATE ROLL TOWARD 60° BANK

USING SPOILER AND RUDDER AND ALLOW NOSE TO

FALL THROUGH THE HORIZON

CAUTION

DO NOT G LOAD WINGS DURING BANKING MANEUVER TO PREVENT AN ACCELERATED STALL.

*IF ATOR NEAR STALL BEFORE RECOVERY, DO NOT USE RUDDER TO INITIATE ROLL.

UPON RECOGNITION OF ANOSE

HIGH UNUSUAL ATTITUDE, WHEN NOSE LOW, ROLL WINGS

POWER TO TAKEOFF LEVEL, REDUCE POWER TO

FLIGHT IDLE, AND COMMENCE A

WINGS LEVEL PULL UP TO A LEVEL FLIGHT ATTITUDE.

*CLEAR AREA

ONCE LEVEL, ADD POWER

TO MAINTAIN LEVEL FLIGHT *WHILE CLEARING THE AREA, COORDINATE

WITH AIR TRAFFIC CONTROL TO CLEAR TRAFFIC BOTH ABOVE AND BELOW YOUR ALTITUDE.

INSTRUCTOR NOTE

THE INSTRUCTOR SHOULD INITIATE THE UNUSUAL ATTITUDE NOT TO EXCEED 30° OF PITCH AND/OR 60° OF BANK AND USE POSITIVE

CONTROL TO TRANSFER CONTROL TO THE

STUDENT FOR RECOVERY A-112

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Appendix A Figure C-15 MU-2B B, D (-10), F (-20), G (-30)

UNUSUAL ATTITUDE RECOVERY (NOSE LOW)

UPON RECOGNITION OF ANOSE LOW

UNUSUAL ATTITUDE, REDUCE POWER

TO FLIGHT IDLE, INITIATE A ROLL

TOWARD WINGS LEVEL IF IN A BANK, *CLEAR AREA AND MAINTAIN NOSE LOW PITCH

ATTITUDE WHILE LEVELING WINGS

ONCE WINGS ARE LEVEL IN NOSE LOW

ATTITUDE, COMMENCE A WINGS LEVEL PULL UP TO A LEVEL FLIGHT ATTITUDE.

CAUTION *WHILE CLEARING THE AREA, COORDINATE WITH

AIR TRAFFIC CONTROL THE CLEAR TRAFFIC BOTH ABOVE AND BELOW YOUR ALTITUDE.

DO NOT G LOAD AIRCRAFT UNTIL WINGS

ARE LEVEL TO PREVENT AN ACCELERATED STALL. AND UNEVEN G LOADING ON WING IF AIRSPEED IS ATOR NEAR Vmo, DO NOT

USE ABRUPT CONTROL MOVEMENTS DURING RECOVERY.

ONCE LEVEL, ADD POWER

TO MAINTAIN LEVEL FLIGHT

INSTRUCTOR NOTE

THE INSTRUCTOR SHOULD INITIATE THE UNUSUAL ATTITUDE NOT TO EXCEED 30° OF PITCH AND/OR 60° OF BANK AND USE POSITIVE

CONTROL TO TRANSFER CONTROL TO THE

STUDENT FOR RECOVERY A-113

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Appendix A Figure C-16 MU-2B B, D (-10), F (-20), G (-30) NORMAL LANDING (20°or 40° FLAPS) TOUCHDOWN. POWER LEVERS RETARD TO FLIGHT IDLE STOP. THEN RETARD BOTH POWER LEVERS TO START (GROUND IDLE). CHECK BOTH PROPS BETA.

THEN REVERSE AND BRAKES AS REQUIRED.

THRESHOLD (10%-20% TORQUE, 10 -13 PSI) PARALLEL TO RUNWAY MAINTAIN TRACK Vref FINAL CHECK. FLAPS 20° or 40°.

A/S SLOWING TO Vref.

CHECK SINK RATE 500-600 FPM

COMPLETE DESCENT AND APPROACH CHECKLISTS A/S 120 KCAS MIN DESCENT. 500-600 FPM (20%-25% TORQUE, 13-16 PSI) (25-30% TORQUE, 16-20 PSI) A/S 150 KCAS MINIMUM. APPROACH BY STABILIZED FLAPS 5° (IF FLAPS 5° INSTALLED), 130 KCAS 500'agl (B,D,F, NOT MOD S/R 10), 140 KCAS (F MOD S/R 10, G) MINIMUM (40-50% TORQUE, 25-32 PSI) LANDING APPROACH SPEEDS Vref B, B+, D, F, G FLAPS 20° (1.3 VS1) FLAPS 40° (1.5 Vs1) WEIGHT B+.D B+. D G 7,000 92 92 93 94 94 7,500 8,000 95 98 95 98 100 96 101 98 101 98 103 99 100 103 LANDING ASSURED, FLAPS 20°, A/S 120-130 KCAS 8,500 101 103 100 104 106 106 GEAR DOWN, 500 FPM SINK RATE 8,490 101 104 COMPLETE LANDING (APPROX 25% TORQUE, 16 PSI) 8,930 103 107 CHECKLIST 9,000 106 103 109 109 9,435 108 112 9,500 105 112

10.000 108 115 10,260 109 117 A-114

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Appendix A Figure C-17 MU-2B B, D (-10), F (-20), G (-30)

GO AROUND - REJECTED LANDING

AFTER GEAR IS FULLY RETRACTED, IF ACCELERATE TO FLAPS 20° RETRACT FLAPS TO 5°. DESIRED CLIMB SPEED INCREASE PITCH TO APPROX. 10°, A/S 130 MOD S/R10), 130 KCAS (B, D), 140 KCAS (G) KCAS (F, NOT MOD S/R10), 140 KCAS (F, COMPLETE AFTER T/O AND CLIMB CHECKLIST UP AND SELECT FLAPS 20° IF 40° APPLY MAX POWER, PITCH 8° WHEN LANDING REJECTED, A/S 140 KCAS. FLAPS UP.

PREVIOUSLY SELECTED

POSITIVE RATE GEAR UP, IF FLAPS 20°A/S 113 KCAS MIN NORMAL IF 5° FLAPS APPROACH, 120 KCAS (G) MIN.

STABILIZED AND 125 KCAS (B, D, F) MIN.

CONFIGURED FOR

LANDING A-115

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Appendix A Figure C-18 MU-2B B, D (-10), F (-20), G (-30) NO FLAP OR 5° FLAP LANDING (ABNORMAL PROCEDURE)

CAUTION DO NOT SELECT REVERSE AS REQUIRED. CHECK BOTH PROPS BETA. BRAKES AND NOTE: BETA MAY NOTE REVERSE UNTIL NOT BE AVAILABLE UNTIL BELOW 90 KCAS LANDING DISTANCE BELOW 90 KCAS WILL INCREASE

WITH NOSE APPROXIMATELY

WHEEL ON TOUCHDOWN - POWER

GROUND LEVERS SLOWLY RETARD TO FLIGHT IDLE. THEN START (GROUND IDLE).

PARALLEL TO RUNWAY MAINTAIN TRACK THRESHOLD: (20% TORQUE, 12 PS/) NO FLAP Vref. 1.25 Vs1 BUT NOT BELOW 110/115 KCAS (SEE CHART) FINAL CHECK. A/S

SLOWING TO NO FLAP COMPLETE DESCENT Vref. (SEE CHART)

AND APPROACH CHECKLISTS A/S 150 KCAS MINIMUM. APPROACH BY STABILIZED 500'agl (25%-30% TORQUE, 16-20 PSI) CHECK LANDING APPROACH SPEEDS NO FLAP OR 5° FLAP LANDING ASSURED, GEAR DOWN A/S 140 KCAS MIN SINK RATE

COMPLETE LANDING CHECKLIST

FOR LANDING APPROACH

SPEEDS SEE TABULAR CHART ON REVERSE SIDE OF FLAPS 0° OR 5º. A/S 130 KCAS MIN.

PROFILE. 500-600 FPM SINK RATE (APPROX 25%-30% TORQUE, 16-19 PSI) A-116

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Appendix A Figure C-18a NO FLAP Vref 1.25 Vs1 (BUT NOT BELOW 110 KCAS (B, B+, D, F) 115 KCAS (G)) USE FOR FLAP UP OR 5° B, B+, D, F, G FLAPS UP FLAPS 5° WEIGHT 7,500 110 110 110 110 110 110 110 110

8.000 113 113 113 114 115 110 110 115 8,490 117 110

8.500 117 117 11 18 117 110 110 110 115 8,930 119 119 110 110

9.000 122 119 114 115 9,435 124 117

9.500 115

10.000 118

10.260 128 120 A-117

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Appendix A Figure C-19 MU-2B B, D (-10), F (-20), G (-30)

CAUTION ONE ENGINE INOPERATIVE LANDING

SWERVE TOWARD ANTICIPATE RUDDER, MOVE OPERATING ENGINE WHILE MAINTAINING TRACK WITH OPERATING ENGINE TOUCHDOWN, CAUTION WARNING

OPERATING ENGINE POWER LEVER TO START (GROUND POWER LEVER SLOWLY DO NOT USE SINGLE DO NOT ATTEMPT A

WHEN ENTERING IDLE), CHECK PROP BETA, REVERSE RETARD TO FLIGHT IDLE ENGINE REVERSE GO-AROUND WITH BETA AND BRAKES AS REQUIRED. STOP THRUST WITH THE GEAR DOWN BELOW SIMULATED FAILED 400' AGL OR AFTER APPROXIMATELY ENGINE POWER LEVER 20° FLAPS ARE 1500 FT AGL ABOVE FLIGHT IDLE. SELECTED THRESHOLD: (10%-20% TORQUE 10-13 PSI). Vref. A/S 110 KCAS (G), 105 KCAS (F), 100 KCAS (B, D)

PARALLEL TO RUNWAY MANTAN TRACK CHECK SINK RATE 300-600 FPM FINAL CHECK. FLAPS 20°.

COMPLETE DESCENT AND A/S Vse MIN. (SEE CHART)

APPROACH CHECKLISTS AND COMPLETE LANDING CHECKLIST,

REVIEW SINGLE ENGINE LANDING RUDDER TRIM CENTERED, HOLD

CHECKLIST BALLIN CENTER WITH RUDDER A/S 150 KCAS, 140 KCAS MIN (G), 135 APPROACH BY STABILIZED (APPROX 60%-70% TORQUE, 32-38 PSI) KCAS MIN (F),130 KCAS MIN (B,D) - AS REQUIRED 500'agi CHECK

SINK RATE, 500 - 600

FEET PER

B, D/F/ G MINUTE

FLAPS SO IF FLAPS SPINSTALLED FLAP SETTING UP 130 / 135 / 140 Vxse (KCAS) 135 / 150 / 150 Vvse (KCAS) 130 KCAS MIN (F, NOT MOD A/S 130 KCAS MIN (B, D) 20° 5° 115 / 130 / 130 100 / 125 / 125 120 / 140 / 140 105 / 130 / 135 S/R10), 140 KCAS MIN (F, MOD S/R10), 140 KCAS MIN (G). LANDING ASSURED. CHECK GLIDE PATH, GEAR DOWN.

(APPROX 40% TORQUE, 26 PSI) A-118

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Appendix A Figure C-20 MU-2B B, D (-10), F (-20), G (-30)

CROSSWIND LANDING

DEMONSTRATED

CROSSWIND

ALL MODELS TAKEOFF 22 KCAS LANDING 18 KCAS

• WIND WIND

AIRCRAFT WILL BE FLOWN DOWN AN EXTENSION OF

THE RUNWAY CENTER LINE WITH DRIFT CORRECTION

ESTABLISHED SUFFICIENTLY IN ADVANCE TO PERMIT

CENTER LINE TO BE FLOWN WITH ONLY MINOR

COORDINATED CORRECTIONS INCREASE Vref FOR CROSSWIND LANDING BY ONE-

HALF THE STEADY WIND SPEED PLUS ONE-HALF THE GUST SPEED NOT TO EXCEED Vref PLUS 10 KCAS.

• WIND

PRIOR TO TOUCHDOWN, THE UPWIND WING IS LOWERED AND SMOOTHLY MODULATED. OPPOSITE

RUDDER IS APPLIED SO THAT AIRCRAFT PATH CONTINUES DOWN RUNWAY CENTERLINE. THE

AIRCRAFT SHOULD NOT BE ALLOWED TO DEVELOP ANY TENDENCY TO DRIFT DOWNWIND.

NOTE: RUDDERS CENTERED BEFORE NOSE WHEEL TOUCHDOWN. SPOILERS INTO WIND AS NECESSARY

TO KEEP WINGS LEVEL WIND A-119

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Appendix A Figure C-21 MU-2B B, D (-10), F (-20), G (-30)

ILS, LPV, RNP, LNAV/NAV APPROACH IF FLAPS 5° INSTALLED. A/S 130 KCAS (B, D), COMPLETE DESCENT AND APPROACH 130 KCAS (F NOT MOD S/R10), 140 KCAS CHECKLISTS. A/S 150 KCAS (140 KCAS MIN) (F MOD S/R10), 140 KCAS (G) MIN) REVIEW APPROACH PLATE. RADIOS: TUNE (40-50% TORQUE, 25-32 PSI) & IDENTIFY. CHECK FINAL APPROACH FIX ALTITUDE MARKER BEACON RECEIVER "ON" A/S 140/130 KCAS, MIN. (20-25% TORQUE, 13-16 PS/) DESCEND 500 FPM TO PROCEDURE TURN OR OTHER APPROACH SEGMENT ALTITUDE.

A/S 140/130 KCAS.

(25%-30% TORQUE LANDING APPROACH SPEEDS VIe B. B+. D. F. C 16-20 PSI) FLAPS 20° (1.3 V$1) FLAPS 40° (1.5 V$1) WEIGHT 8880 B+, D L128 B+, D 7,000 94 7,500 94 95 LANDING ASSURED, GEAR DOWN, 8,000 100 97 101 101 FLAPS 20 APPROACHING 101 103 100 104 GLIDESLOPE (ONE DOT BELOW G/S) 101 104 103 107 A/S 120 KCAS MIN.

106 103 109 108 9,500 105 10,000 108 COMPLETE LANDING CHECKLIST

10.260 109 117 (APPROX 25% TORQUE, 16 PSI) MISSED APPROACH: CONTINUE WITH DH FINAL CHECK. FLAPS 20° (OR 40°) IF DESIRED, BELOW 120 KCAS)

MISSED APPROACH

PROFILE THRESHOLD: (10%-20% TORQUE, 10-13 PSI) Vref TOUCHDOWN: POWER LEVERS RETARD TO FLIGHT IDLE STOP. POWER LEVERS RETARD TO START (GROUND IDLE), CHECK BOTH PROPS BETA REVERSE AND BRAKES AS REQUIRED.

A-120

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Appendix A Figure C-22 MU-2B B, D (-10), F (-20), G (-30)

TWO ENGINE MISSED APPROACH

COMPLETE AFTER

TAKEOFF CHECKLIST

ACCELERATE TO

DESIRED CLIMB SPEED A/S130 KCAS (F, NOT MOD S/R10) 140 KCAS (F, MOD S/R10), 130 KCAS (B, D), 140 KCAS (G)

• FLAPS UP AFTER GEAR IS FULLY RETRACTED, IF FLAPS 20° RETRACT FLAPS TO 5° (IF INSTALLED).

INCREASE PITCH TO APPROX. 10°,

MISSED APPROACH GO- PITCH UP 8° AND SELECT AROUND. MAX POWER. FLAPS 20° IF 40° 20° FLAPS 113 KCAS MIN. IF 5° POSITIVE RATE, GEAR UP, IF FLAPS 120 KCAS MIN (G), PREVIOUSLY SELECTED 125 KCAS MIN (B, D, F) MAP A-121