Limits Flashcards
- Max aircraft mass for normal landing, and max RoD.
- C/Line, 2 crew, at what fuel is this mass achieved
- 5900 kg, 780 ft/min
- 1,050kg
What is the maximum take-off mass for the Hawk T-165 (at sea level)?
8561 kg
Max heavyweight landing mass and RoD
8561 kg
625 ft/min
Max cleared altitude
48,000’
Aircaft OAT operating limit
-26 to 50C
At ground level
Aircraft configuration restriction in visible icing
Full flap prohibited
Must land with half flap
Aircraft airspeed limits
- 575KCAS up to 0.9M
- 0.9M up to 500KCAS
- 500KCAS up to 1.2M
- 1.2M up to 48,000’
Basic aircraft
Gear Overspeed limits
- 200-210 KCAS: continue sortie
- > 210KCAS: abort sortie
Combat Flap speed limit
350KCAS/0.8M
Flaps G limits
Combat flap: -2 to +8G
1/2, 3/4, or full flap: 0 to +2.5G
Zero/negative G time limit
30sec
Must be followed by an eqaul or greater time of +ve G
Prohibited Manouvres
- Flick/snap manouvres
- Inverted spins
- Stall turns
- Tail slides
- Autopilot with O/B stores and only wingtip fairings/clean wingtips
Max speed for rudder use to enhance manouvres
200 KCAS
Single aircraft crosswind limit
30kts for takeoff or landing (wet or dry)
If >25kts, brakechute must not be streamed, except for emergency on T/O
Formation crosswind limit
15kts
Takeoff or landing
EEC controlled RPM/T6 limit
- 104% NH
- 880 degC
108% NL
Ground start T6 limit
637 degC
Relight T6 limit
840 degC
Transient RPM/T6 limit
- 104.5% NH
- 885 degC
108.5% NL
Ground starting pressure altitude limit
0 to 10,000’
Ground starting OAT limit
-26 to +50 degC
Ground starting tailwind limit
15kts
ISA (15degC) engine time limit to reach ground idle RPM
45sec to reach 95% (from 10% NH)
Provided throttle is opened before 10%
@30degC: limit is 64sec
After start manual FADEC check: duration of switch set to MFC
MFC selected for 2-3 seconds
Max RPM for assisted relight
20% NH
Max RPM for starter engagement
20% NH
Max RPM before switching batts off
10% NH
Max alt for deliberate use of APU
25,000’
Max alt for starting is 20,000’ except for flight test (22,500’)
Max airspeed with APU running
- Below 10,000’: 380KCAS
- Above 10,000’: 460KCAS
G limit with APU running
0 to 8G
Time limit with APU running inflight
1hr
Min interval between APU starts, and why
- 3min
- To avoid overheating APU starter motor
Max speed on ground
180kts
Tyre limit
Max speed for streaming chute
160kts
Max wind speed with canopy open
40kts
Combined wind+taxi speed
Max crosswind for streaming chute
25kts
Except when required during an aborted takeoff
OAT vs APU on/off
Above 32degC: APU must be running
Unless time between landing and shutdown is less than 5min.
Min interval for stores release
80ms
C/line tank G limits (<500kt/M0.8)
> 360kg: -3 to +5 (-2 to +5 with combat flap)
360 to 165kg: -3 to +5.5
<165kg: -3 to +8
Above 500kt/M0.8: linearly reducing to 0 to 3G, until <165kg: 0 to 5
Time limit from Throttle-Idle to achieve an assisted relight
- 30sec
- Then: Throttle-Off and wait 30sec before attempting another assisted relight
30sec required for fuel to drain
Airspeed limit with C/L tank
500KCAS/0.8M
Max speed for brakechute jettison
(Unless in an emergency)
50kts
Brakechute weak link speed
170kts
