Limits Flashcards
Ground starter px and temp limits
140psi?
110psi?
480F
625F
Engine limitations
- limit power during transients should not exceed…?
- how many minute limit during climb?
- when will red overtorque light illuminate? (Note)
- when does flopover occur (Caution)
- 4600shp for 3 secs on the gauge
- 5 minutes
- above 4600shp
- 5300shp
Hp Max, mil, and normal
4600shp
APU Tachometer limits
- Ground
- Flight
98-102%
98-103%
Engine tachometer limits
99-101% normal
Engine Oil Temp
- Max: 5 minutes in flight range and 30 minutes in ground range
- Normal range
- permitted under extremely cold conditions
- minimum for start low or normal rpm (note)
- min allowable range during run up below 1000shp (note)
- what and rising for takeoff? (note)
100C 60-90C 50-60C -54C and -40C if MIL-L23699 is used 0-40C 40C
TIT Temp limits
- Max allowable over temp
- Max allowable
- military power
- Max cruise
- warning light comes in at? (note)
1175C for 5 seconds 1077C for 5 mins 1049C for 30 mins 1010C 1080C plus or minus 2C
EGT Limits
- Max peak
- Max peak (10 secs)
- Max continuous
732C
710C
649C
Oil PX power section
- normal range
- max allowable
- Max during warmup (note)
50-60psi
60psi
100psi
Hyd System 1 and 2 normal pressure range
2960-3200psi
HYD Brake PX min
1900psi min for normal flight
Oil PX range for gear section
- Max allowable (except during warmup)
150-250psi
250psi
Start TIT range
750-830 degrees C
Start Oil Px (9) for RGB & P/S
Positive oil px by 35% rpm
(9) Max allowable fluctuation at 100%rpm provided px remains within limits is + or - 5psi for P/S and + or - 20 for RGB
Start oil temp minimum
- 40C
(6) : if L7808 is used -54C is the lower limit ; if L23699 oil is used -40C is the lower limit; when ambient tem below 0C, ref starting engines paragraph 18.3.2
Low rpm (2)(7) TIT range
410-730C (12)
(12): Max TIT in low rpm shall be limited to 730 degrees C regardless of power lever position, accessory loading, or use of diffuser bleed air to ensure adequate cooling airflow to the turbine.
(2) use of power between GND Start and MAX Reverse in low rpm can cause engine rpm to decay. Contributing causes to higher ambient temp, field elevation, airspeed, accessory load, end bleed are effects on the power available at low rpm. If rpm begins to decay, advance the power lever. If rpm decay continues, shut down the engine
(7) acceleration time from start of rotation to low rpm should not exceed 60secs.
Low rpm RPM range
71.0-73.8%
Low rpm Max oil px RGB
250psi, except start and warmup: 50 psi
Low rpm oil px P/S
100psi Start and Warmup only, then 50-60psi
(4) if px is below 50psi at low rpm, condition is acceptable provided px is within limits at 100%rpm
Low rpm oil temp range
90C (5) Max
-40C (6) Min
Range: 60 to 90C
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
(6): if L7808 is used -54C is the lower limit ; if L23699 oil is used -40C is the lower limit; when ambient tem below 0C, ref starting engines paragraph 18.3.2
Low rpm Indicated HP
Minimum until oil temp is above 0C
Normal RPM (start position) TIT range
445-645C
Normal RPM (start position) RPM range
96.3-99.1
Normal RPM (start position) oil px RGB
250psi except start and warmup 150
(3): operation below 150psi when rpm is below 100% is permitted. If RGB px is between 130-150psi at 100% rpm, record and continue. Maintenance action shall be accomplished prior to next flight.
Normal RPM (start position) oil px P/S
100psi start and warmup only, then 60-50
(4): if px is below 50psi at low rpm, condition is acceptable provided px is within limits at 100%rpm
Normal RPM (start position) Oil PX P/S
100psi Start and Warmup only, then 50-60psi
(4) if px is below 50psi at low rpm, condition is acceptable provided px is within limits at 100%rpm
Note
TIT and rpm values in ground operation are based on 0 airspeed, no diffuser bleed, no accessory loading, and ambient air temp range from -54 to 55C
Normal RPM (start position) Indicated HP
1,000hp Max at oil temp 0 to 40C
Maximum Reverse 0 degrees TIT
580-790C
Maximum Reverse 0 degrees RPM
96.7 to 104.9%
Maximum Reverse 0 degrees Oil Px RGB
250psi except start and warmup 150(3)
(3): operation below 150psi when rpm is below 100% is permitted. If RGB px is between 130-150psi at 100% rpm, record and continue. Maintenance action shall be accomplished prior to next flight.
Maximum Reverse 0 degrees RPM Oil Px P/S
100psi start and warmup only, then 60-50
(4): if px is below 50psi at low rpm, condition is acceptable provided px is within limits at 100%rpm
Maximum Reverse 0 degrees Oil Temp
90C (5) Max
40C Min
Range: 60 to 90C
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
Normal RPM (start position) Oil Temp
90C (5) Max
-40C (6) Min
Range: 60 to 90C
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
(6): if L7808 is used -54C is the lower limit ; if L23699 oil is used -40C is the lower limit; when ambient tem below 0C, ref starting engines paragraph 18.3.2
Maximum Reverse 0 degrees Indicated HP
1,000hp Max at oil temp 0 to 40C
Flight Idle 34 degrees TIT
430 to 705C
Flight Idle 34 degrees RPM
94.5 to 98.4%
Flight Idle 34 degrees Oil Px RGB
250psi except start and warmup 150
(3): operation below 150psi when rpm is below 100% is permitted. If RGB px is between 130-150psi at 100% rpm, record and continue. Maintenance action shall be accomplished prior to next flight.
Flight Idle 34 degrees Oil Px P/S
100psi start and warmup only, then 60-50
(4): if px is below 50psi at low rpm, condition is acceptable provided px is within limits at 100%rpm
Flight Idle 34 degrees Oil Temp
90(5) Max
Normal range: 60 to 90C
0C Min
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
Flight Idle 34 degrees Indicated HP
1,000hp Max at oil temp 0 to 40C
Maximum 90 degrees TIT
1077C (5 mins Max)
Maximum 90 degrees RPM
99 to 101(10)%
(10): Takeoff rpm limits: allowable momentary overshoot/undershoot with power lever advancement is 96 to 106%. An overshoot exceeding 106% but immediately returning to within limits must be corrected prior to the next flight. Rpm should be stabilized within 10 secs of initial overshoot
Maximum 90 degrees Oil Px RGB
150(3) to 250psi
(3): operation below 150psi when rpm is below 100% is permitted. If RGB px is between 130-150psi at 100% rpm, record and continue. Maintenance action shall be accomplished prior to next flight.
Maximum 90 degrees Oil Px P/S
50-60psi
Maximum 90 degrees Oil Px Oil Temp
90C (5) Max
40C (8) Min and increasing then 60 (8)
Normal Range: 60 to 90C
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
(8): Operation with oil temp from 50-60C is permitted under extremely cold conditions provided all oil limits are maintained. When oil temp reaches 40C and RGB px shows no fluctuation, Max power may be applied
Maximum 90 degrees Oil Px Indicated HP
4,600 to 5,300 (engine limiting 3 secs)
Military TIT
1049C (30 mins)
Military RPM
101%
Military Oil Px RGB
250psi Max (1) (1): the maximum time allowed at 0 or negative g conditions is 10 secs. Fluctuating oil px is allowed during and following 0 or negative g conditions however a shutdown is required if: A. Oil px flux continue longer than 15 secs after returning to positive g flight B. Oil px remains at 0 longer than during a momentary transient condition C. After 1 min, an air start may be attempted
Military Oil Px P/S
60psi Max (1)
(1): the maximum time allowed at 0 or negative g conditions is 10 secs. Fluctuating oil px is allowed during and following 0 or negative g conditions however a shutdown is required if:
A. Oil px flux continue longer than 15 secs after returning to positive g flight
B. Oil px remains at 0 longer than during a momentary transient condition
C. After 1 min, an air start may be attempted
Military oil temp
90C (5) Max
40C (8) Min and increasing then 60 (8)
Normal Range: 60 to 90C
(5): 100C is Max allowed for 30mins in beta range and 5mins in alpha range then 90C is max
(8): Operation with oil temp from 50-60C is permitted under extremely cold conditions provided all oil limits are maintained. When oil temp reaches 40C and RGB px shows no fluctuation, Max power may be applied
Military indicated HP
4,600SHP Max
4,600 continuous operation
During air start minimum until oil is above 0C
1,000 maximum at oil temp of 0 to 40C
Over temp during power change description
TIT remains in the 1083 to 1175C range for more than 5 secs or exceeds 1175C
Over temp during power change: Ground Operation action required…
Reduce power. Shut down, record and call for Mx. An over temp inspection is required
Over temp during power change: During Takeoff action required…
Reduce power until TIT is 1077C or below. Record and call for Mx prior to next flight.
Over temp during power change: In flight action required…
Reduce power until TIT is 1010C or below. Record and call for mx prior to next flight.
APU Limits EGT (GTCP 95-10)
- Max Peak
- Max Peak (10 secs)
- Max continuous
732C
710C (10 secs)
649C
APU limits
- Alt / as
- 20,000ft Max
- 225kts Max
(can start engine at field elevations up to 6,000ft and temps of -54 to 54C
Engine starter operation limits
Pull out at 64% rpm
Flaps Max Speeds
- Manuever
- Takeoff and Approach
- Land
- 275kts
- 190kts
- 170kts
Landing gear
- Flight with landing gear extended and main cabin door open
- Flight with landing gear extended above 1G and landing gear retraction speed
- landing lights extended
- over wing exit
- APU door open
- 300kts
- 190kts
- 260kts
- 170kts
- 225kts
IRDS turret
- extended
- extending and retracting
- 405kts
- 350kts
Fuel dump airspeed range
140-300kts
Air starts
- min airspeed
- 170kts Or 210kts (if range critical)
Max airspeed
345kts and reduce 6kts per 1000ft
Flight Restrions: Max Airspeed with Gross Wt less than 125,000lbs
- SL to 15K
- 15K to 20K
- 20k to 25k
- 25k and up
300Kts
Flight Restrions: Max Airspeed with Gross Wt between 125,000lbs and 135,000lbs
- SL to 15K
- 15K to 20K
- 20k to 25k
- 25k and up
- 225kts
- 235kts
- 245kts
- 255kts
Flight Restrions: Max Airspeed with Gross Wt between 135,000lbs and 139,760lbs
- SL to 15K
- 15K to 20K
- 20k to 25k
- 25k and up
215kts
Flight restrictions: Symmetric flight gross weight less than 125,000lbs
- Min
- Max
- 0G’s
2. 5G’s
Flight restrictions: Symmetric flight with Gross Wt between 125,000lbs and 135,000lbs
- Min
- Max
- 0G’s
2. 0G’s
Flight restrictions: Symmetric flight with Gross Wt between 135,000lbs and 139,760lbs
- Min
- Max
- 0G’s
2. 0G’s
Flight Restrictions: Roll Manuever with Gross Wt less than 125,000lbs
- Min
- Max
- 0G’s
2. 0G’s
Flight Restrictions: Roll Manuever with Gross Wt between 125,000lbs and 135,000lbs
- Min
- Max
- 0G’s
1. 5G’s
Flight Restrictions: Roll Manuever with Gross Wt between 135,000lbs and 139,760lbs
- Min
- Max
- 0G’s
1. 5G’s
Flight restrictions notes
1: speed restrictions for all gross weights
2: Exceedsnce of restriction limits
3: for aircraft with AFC-784 (outer wing assembly) or standalone center wing repair
1: may be exceeded for 1.0G weapons release at air speeds not exceeding 300kts then restricted airspeed re established prior to maneuvering
2: required no additional inspection. If abode restrictions exceeded, make log book entry with type, magnitude and number of occurrences
3: airspeed limited to 300kts, symmetrical flight limits 0 to 2.5G and roll Manuever limits 1.0 to 2.0G at all gross wts
Minimum altitude on station: aircraft with operable radalt and raws
- Day/VMC
- Night/IMC
- 200ft AGL
- 300ft AGL
Minimum altitude on station: aircraft without operable radalt and raws but with updated baro altimeter setting
- Day/VMC
- Night/IMC
- 300ft
- 500ft
Minimum altitude on station: aircraft with operable radalt or updated baro alt setting
- Day/VMC
- Night/IMC
- 500ft
- 1000ft
What three primary attitude sources do we have?
INS 1, 2 and standby gyro
Minimum attitude sources for flight: VMC
Any two or three primary attitude sources
Minimum attitude Sources for Flight: IMC/cross country
All three primary attitude sources, or any two of three primary attitude sources and standby attitude indicator
Minimum attitude Sources for Flight: Outside NAVAID coverage
Two inertials (both NAV mode) and standby gyro
Minimum attitude Sources for Flight: note
On aircraft equipped with EFDS, an operable standby attitude indicator (peanut Gyro) is required for flights outside NAVAID coverage and for flights when instrument conditions are anticipated
Zero fuel weight definition
The aircraft gross weight without usable fuel
Caution: If non-standard fuel management results in the calculated 0 fuel weight exceeding the maximums ZFW limit, the aircraft design load factor is 2.1 g
P-3C Max ZFW Limit: Clean Wing
- with foam
- without foam
80,400lbs
82,400lbs
Lateral imbalance maximum differential: For Takeoff
- Tanks one and four
- Tanks two and three
1400 pounds
5025 pounds
Lateral imbalance maximum differential: In Flight
- Tanks one and four
- Tanks two and three
4,389lbs
No restriction
Lateral imbalance maximum differential: For Landing
- Tanks one and four
- Tanks two and three
4,389
No Restriction
Fuel Temp Caution
Do not allow Indicated OAT in flight to dwell at or below the freezing point of fuel type Because airframe and engine fuel filters may become blocked if you’ll is chilled below it’s specified freeze point
Fuel dumping limitations Warning
Feel dumping is prohibited with the wing flaps extended to be on the takeoff/approach position
Weight Limitations
- operations > 135,000 to 139,760 pounds
- operations > 135,000 pounds
- Landing at gross weights > 103,880 pounds
- Landing at gross weights > 114,000 pounds
- May be undertaken only when authorized by the commanding officer and due consideration should be given to other taxiway, runway and aircraft conditions
- Will result in increased airframe fatigue
- Shall be made at a minimum rate of descent and shall be documented. Overweight inspection after 10 landings
- Should be conducted only in an emergency
Weight Limits Max
- Recommended takeoff
- overload takeoff
- landing
135,000 pounds
139,760 pounds
114,000 pounds
Cargo loading limit
Floor panel loading is restricted to 60 pounds max per square foot. Cargo should not be stood in any electronics racks