1H-60(H)G-1 Section 5 Flashcards
On any VID strip ___ consecutive lights must not be out and NO lights may be out at a transition point.
Two
The maximum allowable Nr for normal flight operations and emergency procedure training is ___%.
The maximum allowable Nr for Functional Check Flights is ___%.
110%
120%
Maximum wind velocity for rotor start or stop is ___ knots from any direction.
45
Maximum Nr for rotor brake application is ___%
Routine rotor stops shall be done between ___ - ___%.
- 76%
- 30 to 50%. Limit rotor brake stops to 180 psi. Application below 30% Nr should not regularly occur or damage to rotor head may occur.
At 100% Nr on the ground and during level flight, the XMSN oil pressure should remain steady in the ___ - ___ psi range. If pressure should not remain steady or is below 45 psi, make an entry in AFTO Form ____.
50 to 55 psi
781A
Engine ____ check in flight is prohibited.
Overspeed
The rappelling attaching points have a load limit of ___lbs each. Maximum of __ gunners belts may be attached to a single repelling ring.
4,000 lbs.
2 gunners belts
The maximum weight that may be suspended from the cargo hook is ___lbs.
8,000 Lbs.
The maximum weight that can be suspended from the rescue hoist is ___ lbs.
600 Lbs.
Engine starter limits when OAT is ≤ 16°C
1st attempt - 1 minute rest
2nd attempt - 3 minute rest
3rd attempt - 1 minute rest
4th attempt - 30 minute rest
Engine starter limits when OAT is 16-52°C
1st attempt - 1 minute rest
2nd attempt - 30 minute rest
The minimum ground air source required to start the engines is ___ psi and ___ ppm at +___degrees C
The maximum ground air source to be applied to the helicopter is ___ psi at +___degrees C
Min - 40 psi / 30ppm / +149deg C
Max - 50psi / +249deg C
Cross bleed starts will not be attempted unless the source engine’s Ng is above ___%, Nr is ___%, and what advisory light light is OFF?
Ng source engine 90%
Nr 100%
ENG ANTI-ICE ON advisory light - off
The maximum weight that may be suspended from the FRIES release arm is ___ lbs per side when fully extended and ___ lbs when in the intermediate position.
1,300 lbs
1,800 lbs
The CORS is limited to ___ lbs on each cable.
1,560 lbs
The MARS is limited to ___.
5,000 lbs
Both the pilot and copilot airspeed indicators may fluctuate ___ KIAS when firing the GAU 18/A in fixed forward fire mode.
± 10 KIAS
Maximum airspeed for one engine inoperative is ___.
130 KIAS
Maximum airspeed for an autorotation at a GW ≤ 16,825 lbs is ___.
150 KIAS
Maximum airspeed for an autorotation at a GW ≥ 16,825 lbs is ___.
130 KIAS
Sideward/Rearward Flight Limits
Hovering in winds greater than 45 knots from the sides or rear is prohibited.
Sideward/rearward flight into the wind, when combined with windspeed, shall not exceed 45 knots.
Hydraulic/SAS System Airspeed Limits
1 Hyd/SAS - 170 KIAS
2 Hyd/SAS - 150 KIAS
2 Hyd/SAS in IMC - 140 KIAS
Landing/Search Light Airspeed Limits
Maximum to extend the landing light is 130 KIAS, while extended 180 KIAS.
Maximum to extend the search light is 100 KIAS, while extended 180 KIAS.
Flight with cabin doors open is authorized up to ___ with sound proofing installed aft of station 379. Without sound proofing installed aft of station 379, flight is authorized up to ___.
100 KIAS
145 KIAS
Movement of cabin doors will be accomplished at the lowest possible airspeed, not to exceed ___.
130 KIAS
Maximum airspeed to open/close the gunner’s window is ___. They must be secured closed for flight above that airspeed.
170 KIAS
Routine flight with cockpit doors removed is ___.
Prohibited.
Prohibited Maneuvers
- Hovering turns greater than 30° per second.
- Simultaneous moving of both throttles to IDLE or OFF (throttle chop) in flight.
- Practice touchdown autorotations.
- Aerobatic maneuvers and flight beyond 90° angle of bank.
- Aerodynamic breaking with collective full down is prohibited once the landing gear touches down.
Bank angles shall be limited to ___ when a PRI SERVO PRESS caution light is illuminated.
30°
To prevent excess tail rotor system landing, avoid abrupt, full pedal input above ___.
80 KIAS
Maximum Touchdown Sink Rates
≥ 16,825 lbs - 540 fpm over level terrain and 360 fpm over slopes
≤ 16,825 lbs - 300 fpm over level terrain and 18- fpm over slopes
Slope Landing Limits
All slope limits shall be reduced by ___ for every ___ knots of wind.
At a slope angle of ___, an indicated oil pressure of ___ is normal, and at an angle of ___ slope, a pressure in the range of ___ is normal due to pitching of the helicopter.
15° nose, right/left wheel upslope (10° for ski equipped aircraft). 6° nose downslope.
2°, 5 knots
10°/30-35 psi, 15°/10-15 psi
Backup Hydraulic Pump Limits
< 33°C - unlimited operation/no cooldown
33°-38°C - 24 minutes/72 minutes
> 38°C - 16 minutes/48 minutes
APU Operational Limits
Engine & Rotors operating: 30 minutes up to 43°C
Engine & Rotors not operating: unlimited up to 51°C
IR Searchlight Limits
With IR filter installed, do not operate the searchlight with lamp rated greater than 250 watts. Do not operate controllable searchlight with IR filter installed for more than 5 minutes on the ground without the rotor blades turning.
Blade De-Ice/Windshield Anti-Ice
Shall not be operated above 21°C
Turbulence and Thunderstorm Limits
- Intentional flight into known severe turbulence is prohibited.
- Intentional flight into thunderstorms is prohibited.
- Intentional flight into turbulence with a sling load attached and an inoperative collective pitch friction grip is prohibited.
Icing Limits
- Helicopters not equipped with operating windshield anti-ice, pitot heat, engine anti-ice, and engine inlet anti-ice are prohibited from flying into icing conditions (≤ 4°C with visible moisture)
- Helicopters not equipped with blade de-ice are permitted to fly in trace conditions. Flight in light conditions is not recommend and flight into moderate conditions is prohibited.
- Helicopters equipped with operational blade de-ice are permitted flight into moderate conditions.
Hoist OAT Limit
-40° to +60°C
Main Rotor Overspeed Latch Lights
★ 127% Nr
★★ 137% Nr
★★★ 142%. Nr
Nf Bands
12 Second Transient: 105-107
Maximum: 105
Transient: 101-105
Continuous: 95-101
Transient: 91-95
Minimum: 91
Avoid Range: 20-40/60-90
Nr Bands (Power On)
Transient: 101-107
Continuous: 95-101
Transient: 91-95
Minimum: 91
Transient Only: 0-91
Nr Bands (Power Off)
Normal: 90-105
Transient: 105-110
Maximum: 110 (120 for FCF)
Engine % TRQ
12 Second Transient
≥ 80 KIAS: 100-144%
≤ 80 KIAS: 120-144%
Single Engine: 135-144%
Continuous
Single Engine: 0-135%
≥ 80 KIAS: 0-100%
≤ 80 KIAS: 0-120%
Velocity Not to Exceed (VNE)
193 KIAS
TGT Bands
12 Second Transient: 903°-949°C
2.5 Minute: 878°-903°C (881°-901°C)
Start Abort: 851°C
10 Minute: 851°- 878°C (857°-875°C)
30 Minute: 810°-851°C
Normal: 0°-810°C
Ng Bands
12 Second Transient: 102-105%
Maximum: 102%
30 Minute Limit: 99-102%
Continuous: 0-99%
Engine Oil Temperature Bands
Maximum: 150°C
30 Minute Limit: 135°-150°C
Continuous: -50° to 135°C
Engine Oil Pressure Bands
Maximum: 120 psi
5 Minute Limit: 100-120 psi
Normal: 26-100 psi
Idle: 22-26 psi
Minimum: 22 psi
Main Transmission Oil Temperature Bands
Maximum: 140°C
Precautionary: 105°-140°C
Continuous: -50° to 105°C
Main Transmission Oil Pressure Bands
Maximum: 130 psi
Precautionary: 65-130 psi
Continuous: 30-65 psi
Idle and Transient: 20-30 psi
Minimum: 20 psi
