P1 / check Flashcards
What MM limits
Norm
Yellow range
Red
Transient
Norm : >50%
Yellow range : 50 - 64 %
Red : 64 %
Transient : 64 - 77% (25sec)
77-90% (7sec)
When does the MM indicator become a circle scale ?
When Nr > 70%
At what % will the MM exceed appear and not disappear until shut down ?
77 %
AEO limits
AEO T/O PWR RANGE ( 8.5 - 10 FLI / 71 - 88% TQ / 5 min )
AEO MAX T/O PWER ( 10 FLI / 88% TQ / 5 min )
AEO TRANSIENT 12 sec, TQ only, unintentional (10.5 FLI / 97 % TQ / 12 sec )
What AEO MCP ?
8.5 FLI / 71% TQ
At what FLI AEO can’t you exceed IAS > 65 KIAS ?
8.5 FLI
Wind speeds for starting and stopping a/c ?
50 kts
Air speed limits
Vne
OEI
Rear flight
Autorotation
Vne >3000 150 < 3000 145 KIAS
OEI 110 KIAS
Rear flight 15 KIAS
Autorotation 90 KIAS
N2 RPM limits
Min : 85%
min continuous: 96%
max continuous: 104%
Transition (low pwr) : 106% - 5 min
Transition (high pwr) : 106% - 12 sec
Rotor RPM limits
PWR OFF
Min GW < 2000 = 85%
Min GW > 2000 = 80%
Max = 104%
Transient = 110% - 12 sec
What weight and balance classification is the UH72 ?
Class 2
(weight and CG can readily be exceeded)
What’s the pilots responsibility for weight and balance IAW 95-1 ?
Pilot must enssure weight and balance form is on board the aircraft and it remains within limits for the entire flight
(Computations correct, form on board, a/c remains within limits)
Fucker W&B form good for 12 months normally 90 days
What’s the pilots responsibility for weight and balance IAW 95-1 ?
Pilot must enssure weight and balance form is on board the aircraft and it remains within limits for the entire flight
Fucker W&B form good for 12 months
Emergency egress
- Engine shutdown
- Escape side doors
(Strike cockpit door, jettison sling in the back) - Meet as briefed
What emergency equipment is onboard the UH72 ?
Fire extinguisher (for personel)
ALSE, first aid kits)
What’s the pilots responsibility for weight and balance ?
Complete and accurate form DD 365-4 is onboard
A/c stays within limits for the entire flight
How long is the weight and balance form current ?
90 days normal
365 days Fort Rucker
Exceeding TQ during hover power check (3ft)
What does this mean for the helicopter ?
- May overgross a/c
- a/c to heavy to perform OGE maneuvers
What does the * on the checklist indicate ?
That these step shall be done before each flight - not just the first flight of the day
What does the * on the checklist indicate ?
That these step shall be done before each flight - not just the first flight of the day
What VEMD voltage would indicate the need for EPU ?
below 23.5 V
What does green LED mean during “BAT HOR test”
That we have 30 min emergency power (stby attitude indicator)
When does VARTOMS become active when increase twist grips from idle to flight ?
> 20% torque
When should rotor RPM light go off in the warning unit ?
Nro > 95 %
What PWR do we need to have to perform vertical T/O
More power than available hover pwr
OGE pwr
What do we call a normal T/O “The____’s”
“The five’s”
5 degree nose low
0.5 FLI
________
reach 50 kts at 50’ and climb with 500 fpm
How long can we be at 10.000 ft and 12.000 ft w/u oxygen
10.000 - 1 hour
12.000 - 30 min
What’s the four levels of the autopilot ?
- Unstabilized
- Backup SAS
- Digital SAS
- Autopilot - attitude retention
- Autopilot - upper modes
Why do we need less power in a IGE hover ?
Reduced induced flow speed
Smaller tip vorticies
