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 75–86
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Appendix A Figure B-16 MU-2B J (-35), K (-25), L (-36), M(-26) 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.

APPROXIMATELY THEN REVERSE AND BRAKES AS REQUIRED.

1500 FT AGL THRESHOLD (10%-20% TORQUE) Vref PARALLEL TO RUNWAY MAINTAIN TRACK FINAL CHECK. FLAPS 20°or 40°.

A/S SLOWING TO Vref.

CHECK SINK RATE 500-600 FPM

COMPLETE DESCENT AND

APPROACH CHECKLIST A/S 120 KCAS MIN DESCENT. 500-600 FPM (25%-30% TORQUE) A/S 150 KCAS MIN. APPROACH BY STABILIZED (20%-25% TORQUE) LANDING APPROACH SPEEDS Vref 500'agl J. K. L. M FLAPS 20° (1.3 Vs1) FLAPS 40° (1.5 Vs1) WEIGHT K M L K M FLAPS 5° iS SEC 7,000 93 96 96 7,500 96 100 93 99 100 100

8.000 100 103 96 103 103 103 LANDING ASSURED, GEAR DOWN, 8,500 9,000 103 106 106 109 100 103 99 99 109 106 106 109 106 109 105 108 A/S 140 KCAS (J, L, M, K+) MIN, 9,435 108 112 130 KCAS (K) MIN, 9,500 112 106 103 112 112 111 COMPLETE LANDING CHECKLIST 9,955 115 115 10,000 109 105 115 114 FLAPS 20°, 10,260 110 117 A/S 120-130 KCAS. 500 FPM SINK RATE 10,500 11.000 108 110 117 119 (APPROX 25% TORQUE)

11.025 110 119 A-81

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Appendix A Figure B-17 MU-2B J (-35), K (-25), L (-36), M(-26)

GO AROUND - REJECTED LANDING

AFTER GEAR IS FULLY RETRACTED, IF FLAPS 20° RETRACT FLAPS TO 5°.

INCREASE PITCH TO APPROX. 10°, ACCELERATE TO 130 KCAS (K, NOT MOD SR10), DESIRED CLIMB SPEED 140 KCAS (K MOD SR10) (J, L, M)

COMPLETE AFTER T/O

AND CLIMB CHECKLIST A/S 140 KCAS FLAPS UP.

WHEN LANDING REJECTED, APPLY MAX POWER, PITCH 8° UP AND SELECT FLAPS 20° IF 40°

PREVIOUSLY SELECTED

POSITIVE RATE, GEAR UP. IF FLAPS NORMAL 20°, 113 KCAS MIN APPROACH, IF 5° FLAPS STABILIZED AND 120 KCAS (J, L) MIN CONFIGURED FOR 125 KCAS (K, M) MIN

LANDING A-82

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Appendix A Figure B-18 CAUTION MU-2B J (-35), K (-25), L (-36), M(-26)

DO NOT SELECT REVERSE UNTIL NO FLAP OR 5° FLAP LANDING (ABNORMAL PROCEDURE) BELOW 90 KCAS

WITH NOSE WHEEL ON GROUND CHECK BOTH PROPS BETA. BRAKES AND NOTE REVERSE AS REQUIRED. NOTE: BETA MAY NOT BE AVAILABLE UNTIL BELOW 90 KCAS LANDING DISTANCE WILL INCREASE

APPROXIMATELY APPROXIMATELY 1500 FT AGL TOUCHDOWN - POWER 30%

LEVERS SLOWLY RETARD TO

FLIGHT IDLE, THEN START (GROUND IDLE).

THRESHOLD (10%-20% TORQUE).

PARALLEL TO RUNWAY MAINTAIN TRACK NO FLAP Vref 1.25 Vs1, BUT NOT BELOW 115 KCAS (SEE CHART) COMPLETE DESCENT FINAL CHECK. A/S

AND APPROACH SLOWING TO NO FLAP CHECKLISTS Vref. (SEE CHART) A/S 150 KCAS MIN.

NO FLAP Vref 1.25 Vs1 (BUT NOT BELOW 115 KCAS) USE FOR LAP UP OR 5° (25%-30% TORQUE) APPROACH BY STABILIZED 500 agl FLAPS UP FLAPS 5° 1.5 MILES MINMUM

WEIGHT K M M 7,500 115 115

8.000 115 115 115 115 115 115 CHECK

8.500 117 118 118 115 115 115 LANDING ASSURED, GEAR DOWN SINK RATE

9.000 119 122 117 120 115 115 115 115 A/S 140 KCAS MIN.

9,435 124 117 COMPLETE LANDING CHECKLIST

9.500 123 120 124 115 115 117

9.955 127 119

10.000 10.260 125 128 123 118 115 A/S 140KCAS MIN. FLAPS 0° OR 5º.

10.500 127 118 (APPROX 25%-30% TORQUE) 500-600 FPM SINK RATE.

11,000 129 124

11.025 129 124 A-83

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Appendix A Figure B-19 MU-2B J (-35), K (-25), L (-36), M(-26)

CAUTION ONE ENGINE INOPERATIVE LANDING

ANTICIPATE

SWERVE TOWARD WHILE MAINTAINING TRACK WITH TOUCHDOWN, CAUTION WARNING

OPERATING ENGINE RUDDER, MOVE OPERATING ENGINE OPERATING ENGINE

WHEN ENTERING BETA IDLE), CHECK PROP BETA, REVERSE POWER LEVER START (GROUND POWER LEVER SLOWLY RETARD TO FLIGHT IDLE DO NOT USE SINGLE ENGINE REVERSE DO NOT ATTEMPT A GO-AROUND WITH AND BRAKES AS REQUIRED. STOP SIMULATED FAILED THRUST WITH THE GEAR DOWN BELOW 400' AGL OR AFTER APPROXIMATELY ENGINE POWER LEVER 20° FLAPS ARE 1500 FT AGL ABOVE FLIGHT IDLE SELECTED THRESHOLD, (10%-20% TORQUE). Vref.

PARALLEL TO RUNWAY MAINTAIN TRACK A/S 110 KCAS (J, L), 105 KCAS (K, M) CHECK SINK RATE 300-600 FPM FINAL CHECK. FLAPS 20P.

A/S Vyse MIN. (SEE CHART)

COMPLETE DESCENT AND COMPLETE LANDING CHECKLIST,

APPROACH CHECKLISTS AND RUDDER TRIM CENTERED, HOLD

REVIEW SINGLE ENGINE LANDING BALL IN CENTER WITH RUDDER

CHECKLIST A/S 150 KCAS 140 KCAS MIN (J, L), 135 KCAS MIN APPROACH BY STABILIZED (K, M). (APPROX 60%-70% TORQUE) AS REQUIRED 500'agi

J, K, L, M FLAP SETTING UP Vxse (KCAS) 140 / 135 * Vyse (KCAS) 150 / 150 * FLAPS 5ª A/S 140 KCAS (130 KCAS MIN) SINK RATE 500 - 600 CHECK 20° 5° 125 / 125 * 130 / 130 * 140 / 140 * 135 / 130 * FEET PER MINUTE *K, M LANDING ASSURED CHECK GLIDE PATH. GEAR DOWN.

(APPROX 45%-55% TORQUE) A-84

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Appendix А Figure B-20 MU-2B J (-35), K (-25), L (-36), M(-26)

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-85

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Appendix A Figure B-21 MU-2B J (-35), K (-25), L (-36), M(-26)

ILS, LPV, RNP, LNAV/NAV APPROACH COMPLETE DESCENT AND APPROACH CHECKLISTS. A/S A/S 140 KCAS MIN. (20%-25% TORQUE), 150 KCAS, 140KCAS (J, L, M, K+) MIN, 130 KCAS (K) MIN, DESCEND 500 FPM TO PROCEDURE REVIEW APPROACH PLATE. RADIOS: TUNE & IDENTIFY. TURN OR OTHER APPROACH SEGMENT

CHECK FINAL APPROACH FIX ALTITUDE, MARKER ALTITUDE BEACON RECEIVER "ON® FLAPS 5°, 140 KCAS MIN (25%-30% TORQUE) LANDING APPROACH SPEEDS Vref

J, K, L, M FLAPS 20° (1.3 V81) FLAPS 40° (1.5 V$1)

WEIGHT K 7,000 A/S 140 KCAS MIN.

105 108 MISSED APPROACH: (25%-30% TORQUE) 10000000 CONTINUE WITH 105 103 112 MISSED APPROACH LANDING ASSURED, CHECK GEAR DOWN, 105 115 114 PROFILE A/S 140 KCAS (J, L, M, K+) 130 KCAS (K) 117 FLAPS 20° APPROACHING GLIDE SLOPE 117 119 (ONE DOT BELOW G/S), A/S 120 KCAS MIN.

COMPLETE LANDING CHECKLIST (APPROX 25% TORQUE) FINAL CHECK. FLAPS 20% (OR 40°) DH IF DESIRED, BELOW 120 KCAS) 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-86

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Appendix A Figure B-22 MU-2B J (-35), K (-25), L (-36), M(-26)

TWO ENGINE MISSED APPROACH

COMPLETE AFTER

TAKEOFF CHECKLIST

ACCELERATE TO

DESIRED CLIMB SPEED A/S 130 KCAS (K), 140 KCAS (J, L, M),

FLAPS UP AFTER GEAR IS FULLY RETRACTED, A/S 130 KCAS.

IF FLAPS 20° RETRACT FLAPS TO 5° (IF INSTALLED).

INCREASE PITCH TO APPROX. 10°, A/S130 KCAS (K), 140 KCAS (J, L, M) MISSED APPROACH GO- POSITIVE RATE, GEAR UP.

AROUND. MAX POWER. IF 20° FLAPS 113 KCAS MIN.

PITCH UP 8° AND SELECT IF 5° FLAPS 120 KCAS (J, L) MIN, FLAPS 20° IF 40° 125 KCAS (K, M) MIN

PREVIOUSLY SELECTED MAP A-87

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Appendix A Figure B-23 MU-2B J (-35), K (-25), L (-36), M(-26)

ONE ENGINE INOPERATIVE ILS, LPV, RNP, LNAV/NAV APPROACH A/S 140 KCAS (130 KCAS MIN.), (50%-60% TORQUE), FLAPS 5°.

DESCEND 500 FPM TO PROCEDURE TURN OR OTHER APPROACH

SEGMENT ALTITUDE

COMPLETE DESCENT AND APPROACH CHECKLISTS. A/S 150 KCAS, 140 KCAS MIN (J, L), 135 KCAS MIN (K,M). REVIEW APPROACH PLATE.

APPROACH FIX ALTITUDE, MARKER RECEIVER RADIOS: TUNE & IDENTIFY. CHECK FINAL FLAPS 5°, 140 KCAS (130 KCAS MIN) (50%-60% TORQUE) "ON° WARNING A/S 140 KCAS (130 KCAS DO NOT ATTEMPT A GO-AROUND WITH MIN.) (50%-60% TORQUE), FLAPS 5°.

GEAR DOWN BELOW MISSED APPROACH:

400' AGL OR AFTER CONTINUE WITH ENGINE OUT 20° FLAPS ARE MISSED APPROACH PROFILE LANDING ASSURED, CHECK GEAR SELECTED. DOWN APPROACHING GLIDE

SLOPE (ONE DOT BELOW G/S), A/S 140 KCAS (130 KCAS MIN).

CAUTION

DO NOT USE SINGLE

ENGINE REVERSE LANDING CHECK THRUST WITH THE DH (50%-55% TORQUE)

SIMULATED FAILED ENGINE POWER RUNWAY IN SIGHT, FINAL CHECK, FLAPS 20°, LEVER ABOVE FLIGHT SLOWING TO CROSS THRESHOLD 110 KCAS (J, L), 105 IDLE. KCAS (K, M). COMPLETE LANDING CHECKLIST. RUDDER TRIM CENTERED. HOLD BALL IN CENTER WITH RUDDER.

CHECK FINAL LANDING CONFIGURATION.

OPERATING ENGINE POWER TOUCHDOWN, OPERATING ENGINE POWER LEVER

LEVER START (GROUND SLOWLY RETARD TO FLIGHT REVERSE AND BRAKES AS IDLE), CHECK PROP BETA, IDLE STOP.

REQUIRED.

A-88

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Appendix A Figure B-24 MU-2B J (-35), K (-25), L (-36), M(-26)

ONE ENGINE INOPERATIVE MISSED APPROACH J, K, L, M AFTER TAKEOFF CHECKLIST A/S 150 KCAS, COMPLETE FLAP SETTING Vxse (KCAS) Vyse (KCAS) UP 140 / 135 * 150 / 150 * 5° 130 / 130 * 140 / 140 * A/S 130 KCAS (K), 20° 125 / 125 * 135 / 130 * 140 KCAS (J, L, M),

FLAPS UP *K, M

AFTER GEAR IS FULLY RETRACTED AND OBSTRUCTINS ARE CLEARED, IF FLAPS 20°, ADJUST PITCH TO ACCELERATE TO Vyse, IF FLAPS 5° INSTALLED, RETRACT FLAPS TO 5°. INCREASE PITCH TO APPROX. 10°, A/S130 KCAS (K), 140 KCAS (J, L, M) PITCH TO MAINTAIN Vse MIN, APPROX 8° PITCH, FLAPS 20° APPROX 10-130 PITCH FLAPS 50 F 20PFLAPS 113 KCAS MIN. IF 50 FLAPS 120 KCAS (J, L) MIN. 125 KCAS (K, M) MIN.

COMMENCING MISSED APPROACH, SET MAX POWER. MAINTAIN DIRECTIONAL

CONTROL, RUDDER AND SPOILER AS NECESSARY. GEAR UP.

MAP

WARNING

UNDER CERTAIN COMBINATIONS OF WEIGHT, *IF TRANSITIONING FROM A DESCENT, TEMERATURE AND PRESSURE ALTITUDE, WITH LANDING MAINTAIN PITCH TO MAINTAIN 140 KCAS, GEAR DOWN AND FLAPS 209, SINGLE ENGINE GO RAISE GEAR, THEN 10° PITCH. SOME AROUND MAY NOT BE POSSIBLE AT ALTITUDES OF LESS ALTITUDE LOSS IS TO BE EXPECTED. THAN 400 FEET AGL. (SEE PAGE B-24a) A-89

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Appendix A Figure B-25 NOTE MU-2B J (-35), K (-25), L (-36), M(-26)

EITHER THIS PROCEDURE, OR ALTERNATELY PROFILE B-25a NONPRECISION STRAIGHT-IN APPROACH MUST BE DEMONSTRATED.

COMPLETE DESCENT AND APPROACH CHECKLISTS. (20%-25% TORQUE), DESCEND 500 FPM A/S 140 KCAS (130 KCAS MIN).

A/S 150 KCAS 140KCAS (J, L, M, K+), 130 KCAS (K) MIN. REVIEW APPROACH PLATE. RADIOS: TUNE & TO PROCEDURE TURN OR OTHER APPROACH SEGMENT ALTITUDE IDENTIFY. CHECK FINAL APPROACH FIX CROSSING ALTITUDE.

FLAPS 5°, A/S 140 KCAS MIN.

LANDING APPROACH SPEEDS Vref (25%-30% TORQUE)

J,K, L, M FLAPS 20° (1.3 VS1) FLAPS 40° (1.5 V$1) MIL 96 100 103 93 96 103 189 193 100 106 100 99 106 106 109 103 99 109 109 109 A/S 140 KCAS MIN.

108 112 (25%-30% TORQUE) 112 106 103 112 112

9.955 115 115 10,000 109 105 115 10,260 110 117 LANDING ASSURED, CHECK GEAR 10,500 108 DOWN, FLAPS 20° APPROACHING 11,000 11.025 110 110 FIX INBOUND, LANDING CHECKLIST MAP COMPLETE A/S 120 KCAS MIN.

MDA A/S 120 KCAS MIN, (25%-30% TORQUE), MISSED APPROACH: 800-1000 FPM DESCENT POWER, PITCH TO 8° GO-AROUND, MAX *VDP A/S 120 KCAS MIN.

CONTINUE WITH TWO (APPROX 50% TORQUE)

ENGINE MISSED *VDP APPROACH PROFILE AN APPROACH FINAL CHECK. FLAPS 40° (IF DESIRED, BELOW 120 KCAS)

CONSTRUCTED WITH

A VDP SHOULD HAVE THE AIRCRAFT CROSS TOUCHDOWN: POWER LEVERS RETARD TO FLIGHT IDLE STOP,

THE MDA AT OR THEN POWER LEVERS RETARD TO START (GROUND IDLE), BEYOND THE VDP. CHECK BOTH PROPS BETA. REVERSE AND BRAKES AS REQUIRED.

A-90

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Appendix A Figure B-25a NOTE MU-2B J (-35), K (-25), L (-36), M(-26)

EITHER THIS PROCEDURE, NONPRECISION STRAIGHT-IN APPROACH OR ALTERNATELY PROFILE **OPTIONAL USE OF CONTINUOUS DESCENT FINAL APPROACH (CDFA) B-25 MUST BE DEMONSTRATED. COMPLETE DESCENT AND APPROACH CHECKLISTS A/S 150 KCAS, 140 KCAS (J, L, M, K+) MIN, 130 KCAS (K) MIN. A/S 140 KCAS (130 KCAS MIN).

REVIEW APPROACH PLATE. RADIOS: TUNE & IDENTIFY. (20%-25% TORQUE), DESCEND 500 FPM CHECK FINAL APPROACH FIX CROSSING ALTITUDE. TO PROCEDURE TURN OR OTHER **CALCULATE VDA. APPROACH SEGMENT ALTITUDE LANDING APPROACH SPEEDS Vref FLAPS 5°, (IF INSTALLED) A/S 140 KCAS MIN.

FLAPS 20° (1.3 V$1) J,K, L, M FLAPS 40° (1.5 V§1) (25%-30% TORQUE) 93 96 95 100 93 99 100 100 100 103 103 103 1080 103 106 99 106 106 106 109 103 99 109 109 109 108 112 112 106 103 112 112 111 CAUTION - STEPDOWN FIXES A/S 140 KCAS MIN.

115 115 (25%-30% TORQUE) 109 105 115 114 **DURING ALL APPROACHES, 110 117 USE CDFA THAT MEETS ALL 108 110 ALTITUDE CONSTRAINTS LANDING ASSURED, CHECK GEAR 110 119 DOWN, FLAPS 20° APPROACHING

FIX INBOUND, LANDING CHECKLIST COMPLETE A/S 120 KCAS MIN.

**DERIVED DECISION ALTITUDE (DDA) *CAUTION A/S 120 KCAS MIN, (25%-30% TORQUE), MISSED APPROACH MUST BE WHEN USING CDFA METHOD, MISSED APPROACH: MDA BEGIN CALCULATED DESCENT RATE AT FAF EXECUTED UPON REACHING GO-AROUND, MAX *VDP DDA. DESCENT BELOW MDA DURING MISSED APPROACH NOT AUTHORIZED POWER, PITCH TO 8°. CONTINUE WITH TWO APPROACH PROFILE ENGINE MISSED (APPROX 50% TORQUE) A/S 120 KCAS MIN.

FINAL CHECK.

*VDP CHECK FINAL LANDING CONFIGURATION

VISUAL DESCENT POINT AN APPROACH TOUCHDOWN: POWER LEVERS RETARD TO FLIGHT IDLE STOP,

CONSTRUCTED WITH A VDP THEN POWER LEVERS RETARD TO START (GROUND IDLE), CHECK SHOULD HAVE THE AIRCRAFT BOTH PROPS BETA. REVERSE AND BRAKES AS REQUIRED.

CROSS THE MDA AT OR BEYOND THE VDP.

A-91

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Appendix A Figure B-26 NOTE MU-2B J (-35), K (-25), L (-36), M(-26)

EITHER THIS ONE ENGINE INOPERATIVE STRAIGHT-IN NONPRECISION APPROACH

PROCEDURE, OR ALTERNATELY PROFILE A/S 140 KCAS (130 KCAS MIN.) (50%-60% TORQUE), B-26b MUST BE FLAPS 5° (IF INSTALLED). DESCEND 500 FPM TO DEMONSTRATED. PROCEDURE TURN ALTITUDE OR OTHER

APPROACH SEGMENT ALTITUDE FLAPS 5°, (IFINSTALLED) A/S 140 KCAS COMPLETE DESCENT AND APPROACH (130 KCAS MIN) CHECKLISTS. A/S 150 KCAS 140 KCAS (J, L), MIN, (50%-60% TORQUE) 135KCAS (K, (M) MIN. REVIEW APPROACH PLATE.

RADIOS: TUNE & IDENTIFY. CHECK FINAL APPROACH FIX ALTITUDE.

A/S 140 KCAS (130 KCAS MIN.)

*VDP FLAPS 5° (IF INSTALLED). (50%-60% TORQUE),

VISUAL DESCENT POINT MISSED APPROACH:

AN APPROACH CONTINUE WITH ENGINE

CONSTRUCTED WITH AVDP OUT MISSED APPROACH AIRCRAFT CROSS THE MDA SHOULD HAVE THE PROFILE A/S140 KCAS (130 KCAS MIN) AT OR BEYOND THE VDP. *VDP (20%-30% TORQUE), 800-1000 FPM DESCENT WARNING MAP A/S140 KCAS (130 KCAS MIN) (50%-60% TORQUE)

DO NOT ATTEMPT A

GO-AROUND WITH

GEAR DOWN BELOW WHEN RUNWAY IN SIGHT, LANDING ASSURED, GEAR DOWN, 400' AGL OR AFTER FLAPS 20°, SLOWING TO CROSS THRESHOLD AT 20° FLAPS ARE 110 KCAS (J, L), 105 KCAS (K, M), SELECTED. BEFORE LANDING CHECKLIST COMPLETE

CAUTION CAUTION FINAL CHECK.

CHECK FINAL LANDING CONFIGURATION GEAR EXTENSION TIME.

DO NOT USE SINGLE APPROXIMATELY ENGINE REVERSE 17 SECONDS J, L, THRUST WITH THE 15 SECONDS K, M.

SIMULATED FAILED ENGINE POWER TOUCHDOWN, OPERATING ENGINE POWER LEVER SLOWLY RETARD LEVER ABOVE FLIGHT IDLE. TO FLIGHT IDLE STOP. THEN POWER LEVER START (GROUND IDLE), CHECK PROP BETA, REVERSE AND BRAKES AS REQUIRED.

A-92