11-251 Flashcards
Normally what power setting do you need for taxi?
Less than 80 rpm
Adjust taxi speed to avoid what canopy restriction?
30 kt relative wind canopy limit
Taxi at what speed?
25 kts GS, technique: no greater than RCR
What are obstacle taxi restrictions?
within 10’ of any obstacle
within 25’ of any obstacle without a wing walker
What is the EHSI check?
within 8 deg mag compass, 5 deg known heading
Can you use RNAV enroute nav ops with EGI in INS solution
Yes, so long as predicted accuracy of the INS is 7 so long as have full gyrocompass alignment
What is 5-4-3-2-1 instrument cockpit check?
within 5 of course (1 dot CDI deflection), 4 deg bearing pointer, 3% distance DME or 1/2 NM
Rolling takeoffs may increase TO distance by how much?
150-300’
What do you rotate at?
145 KCAS; rotate to 7 deg NH boresight
When is liftoff?
Nosewheel at 155 KCAS, fly away at 165 KCAS
When do you bring the power out of MAX on takeoff?
220-280 KCAS to reduce. 300 KCAS out of AB
What pitch should you use to climb at 300 KCAS?
12 deg NH
If carrying a WSSP pod don’t exceed what airspeed?
400 KCAS
How can you calculate cruise IMN?
.52+alt/100
When doing a MAX power climb, what pitch and IMN do you use?
20-25 deg NH; accel to .9 Mach
How should you level off?
10% vvi if less than 6000 VVI; otherwise cut pitch in half first within 2000/4000’ mil/AB
How should you cruise?
1200 pph for 300 KCAS, RNG profile, above 35,000’, 0.9 Mach or higher
When do you get a min mach carat?
FL280
Should you taxi the T-38 single engine?
No. May clear the active if have downside hydro or landing gear pinned
For a straight-in how do you fly it?
Slow to 240 kts or less 10-15 mi out, be configured and on 0.6 AOA for airspeed
How do you execute a closed pull up?
240 kcas min to start, 200 kcas min in closed pull up
What is typical normal spacing?
1.3 mi; move by .1 mi for every 10 kts of winds
What is a visual reference for perch picture?
Top corner of HUD on horizon. FPM 6-7 deg NL
Eventually what VVI will you see?
3000 fpm
When is final turn made?
Within 30 deg rollout, less than .6 AOA required, less than 30 deg AOB needed
What should be the VVI on final?
700-900 fpm
What reference can you use for a HUD OFF normal?
Top of bottom combining glass on HUD on the rwy
What is TD speed?
20-25 kts below final approach airspeed
For landing how far down should the aircraft land and cross the threshold at what speed?
150-1000’ down; 5-10 kts less than final as
What reference do you use for offset centerline?
centerline bw landing gear and wingtip
How do you compute landing distance?
2500’ plus landing point plus fuel
How do you aerobrake?
Pick up the nose 10-12 deg NH
When XW component exceeds 15 kts what should you do?
Land in a crab on the upwind side of the rwy
What is no-wind spacing for a NF?
1.5 NM
What pitch will you see at the perch for a NF?
4-6 deg NL; top corner of combining glass on horizon
What is the HUD OFF NF aimpoint picture?
Top of AOA indexer on the aimpoint or 1/3 of way up HUD
How do you calculate NF landing distance?
(2500’ plus fuel)x2+TD point
On a SE pattern set power no lower than what?
60% rpm
How do you counter adverse yaw in SE ops?
Step on the good engine
How do you reset the ldg gr sys with alt gr ext?
Cycle ldg gr handle down up then down
For an airspeed ind fail what can you do?
Fly with known pitch and powers. .3 AOA is 230+gas, .5 AOA is typically safe to configure
EM diagram notes
cornering v: Mach .82, 3800’ radius, 410ish kts
Mach 0.3 1.1 G, 6000’ radius
Mach 0.4 250 kts 1.8 G, 4000’ radius
Mach 0.58 300 kts 3 G, 4000’ radius
Mach 0.67 350 kts, 4 G, 4000’ radius
Mach 0.75, 380 kts, 5 G, 4000’ radius
Mach 0.80, 400 kts6 G, less than 4000’ radius
Mach 0.6 300 kts 3.5 G P-s 0
Mach 0.9 450 kts P-s 0 5.5 Gs
Mach 1~500 kts, min speed Mach 0.4-5 250 kts
What is the best way to exchange alt and airspeed?
Canopy bow on horizon, MIL power
80-85% rpm at 20 deg NH
Under what as is SB not effective?
250 KCAS
What are G-x parameters?
420+/-20 kts, MIL
- 0-4.5 G’s, 8-10 deg NL
- 0-5.5 G’s, 18-20 deg NL
What are the airframe buffet levels?
- Light tickle-first appearance of high freq/low amplitude motion
- Light buffet-0.6 AOA, consistent buffet
- Moderate buffet-consistent, moderate appeox 0.7 AOA to DIBI
- DIBI-def increase buffet intensity, inconsistent and irregular, close to 0.8 AOA, potentially 0.9 AOA config
- Heavy buffet-Higher than DIBI to stick full aft
- Wing rock-just prior to fully developed stall
What should you see on full aft stick stall?
1.1 AOA, full stall, 140 kts, 6000 fpm VVI
How do you setup full aft stick stall?
80% rpm min, level flt below FL200. If bank exceeds 90 deg or stabilizes over 60 deg discontinue
How do you execute a simulated trim fail?
Below FL200. 300 KCAS or above, trim, then slow and config final appch speed, no trim. Then retrim, accel bk to 300 KCAS
How do you execute a rudder effectiveness at slow speed ex?
Config ac, any flap setting, level final turn 0.8-0.85 AOA, apply top rudder and wait until ac moves. Do same and remove input before ac reacts
How do you execute an aileron effectiveness ex?
85% - MIL, roll at various G loads
Then try again while not loaded
How do you execute a turn reversal exercise?
350-400 kts, MIL power, 90 deg, 4 G’s
Reverse with rudder. Then reverse by unloading with ailerons
How do you do an accel stall?
300 KCAS, 2-3 Gs to start with MIL
Turn at light tickle, mod buffet, then DIBI then to mild wing rock, nose will stop tracking
Pitchback parameters
450-500 G’s, bank 0-90 deg, 4-5 G’s
Sliceback Parameters
200-300 KCAS, 90-180 deg AOB
How do you do a stab ex?
60 deg NH, 85% rpm, unload at 170 KCAS, try to recover ac w stall ind at horizon, then unload, positive G until 175-200 KCAS, then can add power
How do you do slow flight?
10 kts below final appch speed, 0.7 AOA, do some turns and st and lvl
How do you do a slow flight recovery demo?
Gear down, full flaps at SF a/s, retract flaps to 60% then back to full, then fully retract
Winman’s visual lookout responsibilities?
In front of lead, behind lead, in front of self, to other side of self
When should you not initiate lead changes?
Wingman further aft than 30 deg from LAB, or normal route/fingertip position and wingman not in a place where visual deconfliction can be maintained or the L/C accomplished safely
What do you do for FENCE In?
Fire-Master ARM, A/A A/G or NAV mode Emitters-RALT, TCAS, A/A TACAN, radios NAVAIDs-HSD/area setup Camera-on Elec Countermeas-CMD
What is the reference for 150’ of spacing?
2.5 deg pitch line just under main gear of preceding aircraft
What is min wingtip spacing?
10 feet
Ensure how much wingtip spacing within an element if either crew is solo?
50’
What is the reference for takeoff lineup?
Lining up the main gear doors
When should you reduce power out of MAX on takeoff?
220-280 KCAS
What power setting should you shoot for as lead on a wing TO?
60% nozzles but not less than min AB
What is the TO interval for an interval TO?
10 s
What is takeoff interval bw elements for 2 on 2 interval TO?
15 s min
What is takeoff interval for instr trail?
20 s minimum
How do you execute an instr trail dep?
Use 30 deg bank for all turns, climb at 300 KCAS, 600 deg EGT, call out every 5000’, hdg changes, level off 1000’ preceding aircraft.
When do you assume stack level position on form appch?
VMC or int gs whichever occurs last
What is the FCP ref for form appch?
Figure 8 gear for 50’, head abeam slab bolt, helmet on horizon, position lt aligned with front, middle or trailing edge of gr door
What is the latest drag point and how do you execute?
8 mi from rwy, wingman will slow and config when directed, lead will remain 250 KCAS until 5 mi from rwy then configure and mx 180 KCAS until 3 mi from rwy
How many s for how many feet of spacing in the break?
5 s for 3000’; 8 s for 6000’
What are the fingertip formation ref?
Thin wing, looking down leading edge of wing and helmet abeam slab bolt
Before splitting the flight, what should FL ensure for the wingmen?
That they have good navaids
What are the form apprch ref for line?
10’-position lt aligned w ldg edge gr door
25’-position lt aligned w middle of gear door
50’-position lt aligned w trailing edge of gear door
What are parameters for WW?
200-400 KCAS; up to 3 G’s and 90 deg AOB
What are echelon turn ref?
Horizon splitting lead’s lower intake, nugget abeam slab bolt
What is pitchout delay?
5 s for 1 NM
