T-6B Ops Limits
Card Set Information
T-6B Ops Limits
6B Ops limits
Operations limits that are boldface, as well as in NATOPs.
Do not try a battery ground start if voltage is below
What do red markings indicate on instrumentation?
The limit above or below in which continued operation is likely to cause damage or shorten operating life.
What do green and white markings indicate on instrumentation?
The safe and normal operating ranges.
What do the amber markings indicate on instrumentation?
The range where special attention should be given to the operation covered by the instrument.
When do you check oil?
Oil must be checked within 15 to 20 minutes after engine shutdown for the most accurate results.
What is the normal oil level?
Between ADD and MAX HOT. If level is at or below ADD, fill to MAX HOT.
What do you use to check engine oil?
The dipstick. Do NOT use the sight glass.
Do not connect external power if battery voltage is below
What are the inflight generator limits?
+50 to -2 amps.
Explain the starter limits.
Starter duty cycles
: 20 seconds
: 30 seconds wait
: 2 minutes wait
: 5 minutes wait
: 30 minutes wait
What are the ground/inflight voltages usually?
28.0 to 28.5 volts
Temperature limitation for start is
Range of N
in which ground resonance will occur on the ground.
What is the propeller over speed limit?
What is the maximum operating airspeed (V
) and at what altitude?
316 KIAS, up to 19,020' MSL.
What is the maximum indicated Mach Number (M
0.67 indicated Mach Number (IMN)
What is the maximum airspeed with the flaps extended (V
) or during flap operation?
What is the maximum airspeed with the landing gear extended (V
What is the maximum and recommended air penetration speed (V
207 KIAS; 180 KIAS
What is maneuvering speed (V
The speed above which full or abrupt control movements in one axis can result in structural damage to the aircraft.
What is the maneuvering speed in the T-6B (V
What airspeed will exceed the limits for the rudder control system at full deflection?
What is the maximum amount of time in inverted flight?
What is the maximum time allowed in intentional zero-G flight?
What are the prohibited maneuvers in the T-6B?
1. Inverted Stalls
2. Inverted Spins
3. Spin with the PCL above idle
4. Spin with landing gear, flaps, or speed brake extended.
5. Spins with PMU off.
6. Aggravated spins past two turns.
7. Spins below 10,000 feet pressure altitude.
8. Spins above 22,000 feet pressure altitude.
9. Abrupt cross-controlled (snap) maneuvers.
10. Aerobatic maneuvers, spins, or stalls with a fuel imbalance of greater than 50 pounds between wings.
11. Tail slides.
What are the acceleration limits for a symmetric, clean configuration?
+7.0 to -3.5 G's
What are the acceleration limits for a symmetric aircraft with gear and flaps extended?
+2.5 to 0.0 G's
What are the acceleration limits for for an asymmetric aircraft that is clean?
+4.7 to -1.0 G's
What are the acceleration limits for for an asymmetric aircraft with gear and flaps extended?
+2.0 to 0.0 G's
When should the weight and balance of the aircraft be checked to determine that gross weight and CG limitations are not exceed?
1. When solo pilot weight exceeds 260 pounds
2. When rear pilot weight exceeds 260 pounds
3. When combined crew weight exceeds 500 pounds
4. When overwing refueling is accomplished over 1100 pounds
5. When the baggage weight exceeds 10 pounds
What is the maximum ramp weight?
What is the maximum takeoff weight?
What is the maximum landing weight?
What is the maximum zero fuel weight?
What is the maximum weight in the baggage compartment?
When can you not use nose wheel steering (NWS)?
Takeoff or Landing
Canopy DEFOG must be
for takeoff and landing.
What is the maximum rate of descent at touchdown?
785 feet per minute (5.8 Gs) with main tires at full pressure (225 +- 5 psi)
What is the maximum crosswind component for a dry runway?
What is the maximum crosswind component for a wet runway?
What is the maximum crosswind component for an icy runway?
What is the maximum tailwind component for takeoff?
Explain how the T-6B should address arresting cables if encountered.
Go over at the slowest speed possible while avoiding nose and main gear contact with the cable support donuts.
1. If contacted donut, have inspected by maintenance.
2. Do not taxi over with main gear doors open.
1. Never engage a raised barrier. Steer around or eject before contact at all costs.
If icing is encountered, what do you do?
Turn on probes anti-ice switch, if not already on.
1. Approved for only going through 5000' band of light rime ice.
2. Probes anti-ice on to prevent freezing of pitot tubes or AOA vane.
3. Climb or descend to get out of and melt ice.
4. Aerobatice after an icing encounter prohibited unless completely melted Only can use 30 degrees AOB and 0 to 2 G's, up to stall warning indication.
5. Increase approach speed by 10 KIAS if icing is suspected.
Fuel must contain what to guard against icing?
1/2 pint of icing inhibitor for every 50 gallons of fuel during refueling.
Aerobatic operations are prohibited with indicated fuel quantities below
150 pounds per side (yellow band on gage)
What is the maximum lateral fuel imbalance?
What is the maximum flight time with the engine-driven low fuel pressure pump and the electric boost pump offline (using only the engine-drive high fuel pressure pump)?
10 hours, which must be recorded and reported to maintenance
What ambient temperatures is ground operation limited to?
-23 to +43 degrees C
What is the cockpit pressurization schedule limit?
3.6 +- 0.2 psi
When does the CKPT PX limit illuminate?
3.9 to 4.0 psi
When does Cockpit pressure display change to red and the overpressurization valve opens?
What is the maximum amount of wind that can be encountered to open to canopy while parked?
What are the weight limits for the ejection seat?
Weights shall be within 103 to 231 pounds nude, or 131.8 to 265.4 with full gear.
1. Never operate with canopy open
2. Operation outside weight limits may place the CG beyon limits, thus increasing injury risk.
3. Lightweigh hazards
: spinal injury, less stablization, more severe drogue correction
4. Overweight hazards
: harder parachute landing, possible degradation or complete loss of safe 0/0 capability
5. If over 8,000 MSL mountainous terrain, manually activate MOR handle.