Simply Instruments Flashcards
Smoking is prohibited in or within what distance of Army aircraft.
(50 feet) (5-1-c)
For Rotary wing IFR flight planning a fuel reserve of how long is required.
(30 minutes). (5-2-b-1-b)
Are you allowed to fly into known or forecast severe icing conditions?
(No) (AR95-1 5-2-c-1)
Apache light or trace
What is the Helicopter SVFR minimum.
(1/2 mile Clear of Clouds) (5-2-c-4) (OzR 300 ½)
To file IFR, what weather must meet published wx minimums through 1 hour after ETA.
(Predominant) (5-2-c-5)
How long does the weather forecast last before being void?
(1 hour 30 minutes) (5-2-c-7)
What are the 4 times you may not reduce visibility minimums by 50%.
Flying faster than 90kias (Cat A)
Copter Approaches
Appr plate states “Visibility reduction by helicopters NA”
No reduction less than 1/4 mile (5-2-c-5)
An alternate airfield is required when filing IFR if:
(5-2-e)
(Weather) Predominant WX through ETA + lhour is less than wx planning mins + 400/1)
(Radar) Radar is required for the approach
(Navaids) Navigational aids are unmonitored
Is an alternate required if radar is required for the approach but descent from en route minimum altitude for IFR operations can be made in VFR.
(No) (5-2-e-4)
An alternate airfield can be used when filing IFR if: (5-2-f)
(Weather) Worst WX through ETA + 1 hour is better than (wx planning mins + 400/1)
(G) GPS is not required for the approach.
(Radar) Radar is not required for the approach.
(A) ANA does not appear in the FLIP.
(Monitored) Navigational aids are monitored.
(S) Surface Area Airspace (If Class B,C,D, or E surface exists)
What are the take-off weather minimums for a pilot without 50 hrs W-PC?
(100-1/4) (5-3-c-2)
When does an Army aviator no longer have take-off minimums?
(50 hrs W-PC) (5-3-b)
What are the take-off weather minimums for a pilot with more than 50 hrs W-PC?
(0/0) (5-3-c-2)
What is the minimum WX required to initiate an approach?
(0/0) (5-5-a-5)
When can an aircraft be flown below the published MDA or DH?
Rwy
Appch lights
landing area in sight
Safe position to land
(5-5 d (1&2))
How long can elapse before a pilot must be given a PFE for currency?
(60 days in similar A/C) (4-16)
When is it acceptable to not file IFR?
VFR training
Time Limit
VFR mission
Excessive IFR delays
Hazardous Weather conditions IFR
Single Pilot (5-2-d-1)
What does the L stand for in the L class VOR?
Low Altitude Ref AIM table 1-1-1
If a VOR is 25NM away, how far off the ground would be required to receive it considering the signal is line of sight reception?
@400ft Ref old 1-240 pg 99
If I am 60nm from a VOR how wide is each radial?
1 mile
How many degrees off course are you when you have full scale deflection on a VOR Approach?
At least 10 degrees
How many degrees off course are you when you have a full scale deflection on an ILS Approach?
At least 2 ½ degrees
What does Category A,B,C, etc mean on an approach?
Its determined by the aircraft speed, & usually changes the weather minimums. Ref FAR 97.3
What are the speeds associated with the Category’s?
A: 1-90kts, B: 91-120kts, C: 121-140kts, D: 141-165kts, E: 166+ Ref FAR 97.3
Are category speeds determined by Airspeed or Groundspeed?
Airspeed Ref GP 2-3 and FAR 97-3
If circling to land using Category A approach minimums how large is the obstacle clearance area?
1.3nm Ref AIM fig 5-4-28
When do you start a turn on a departure procedure?
400 feet above departure end of the runway Ref AIM pg 5-2-8
What is EFAS - Enroute Flight Advisory Service -
(On the back of the Airport Facility Directory) (Green book)(AIM 7-1-5)
Who - Flight Watch
What - En route weather updates & collection of PIREP’s
When - 0600 - 2200
Where - 5000’
How - 122.0 mhz
What is PMSV?
Pilot to Metro Service -
a direct pilot to Wx briefer service. It is used to update wx or give a PIREP.
MINIMUM ENROUTE IFR FLIGHT ALTITUDE/MEA
The lowest published altitude between radio fixes which assures acceptable navigational signal coverage and meets obstacle clearance requirements between those fixes.
MINIMUM OBSTRUCTION CLEARANCE ALTITUDE/MOCA
The lowest published altitude in effect between radio fixes on VOR airways, off-airway routes, or route segments which meets obstacle clearance requirements for the entire route segment and which assures acceptable navigation signal coverage only within 25 statute miles (22 nautical miles) of a VOR.
What is a Precision approach?
AIM PCG P-2
A standard instrument approach procedure that has a glideslope/glidepath.
What is an example of a Precision approach?
ILS & PAR
What is the difference between an ILS and a PAR?
On an ILS, the instruments provide the pilot with the elevation and azimuth information, where on the PAR the Final controller (ATC) provides the information to the pilot.
What is a Non-precision approach? AIM PCG N-2
A standard instrument approach procedure in which no electronic glideslope is provided.
What is an example of a Non-precision approach?
VOR, NDB, LOC, ASR, LNAV, LNAV+V, LPV (Everything but an ILS and PAR)
What is a Final Approach Fix (FAF)? AIM PCG F-1
The fix from which the final approach (IFR) to an airport is executed.
(The start of the approach)
What is the final approach fix for an ILS/PAR approach?
Glide path/slope intercept.
How do you know when you are at the FAF on a PAR?
Final Controller (ATC) will announce, “On glide path, begin descent”
What is the FAF for a non-precision approach? AIM PCG F-1
Maltese Cross (x) symbol on Government charts
What is a Final Approach Point (FAP)
The Point (on a Non-pre Appch) where the procedure turn is completed & the descent may start
What is a Missed approach point? AIM PCG M-4
A point prescribed in each instrument approach procedure (IAP) at which a missed approach procedure shall be executed if the required visual reference does not exist.
(The end of an approach)
What is the missed approach point for an ILS/PAR approach?
On glide path at decision altitude.
How do you know that you are at the missed approach point on a PAR?
Final Controller (ATC) will announce, “At decision altitude”
What is the missed approach point for a non-precision approach?
As published on each IAP. (Usually a NAVAID station passage or an elapsed time)
On a precision approach what is the lowest altitude allowed called?
Decision Altitude (DA)
On a non-precision approach what is the lowest altitude allowed called?
Minimum Descent Altitude (MDA)
How would you depart an airport that does not have a Departure Procedure published?
As directed by the Alternate Takeoff Minimums or if none are published climb to 400’ HAA before turning
What is the difference between an ADF and an NDB?
ADF is in the Aircraft (receiver) & the NDB is on the Ground (transmitter)
At a pilot control lighting airport how do you get Medium intenty lighting? ATM Tab 2-1-1
5 clicks
How long will the lights stay on after a pilot uses pilot controlled lighting AIM 2-1-8
15 minutes
What is an ILS critical area? (AIM 1-1-9-k)
An area (designated by taxiway markings) that surface vehicles or aircraft operating on the ground, could cause disturbances to the ILS localizer and glideslope courses.
When is this ILS critical area active? (AIM 1-1-9-k)
Control tower active and 800’ ceiling, 2 miles visibility.
What are the basic ground components of an ILS (FM 1-240 / 19-2) pg 185
Localizer radio course (LOC)
Glide slope course
Two VHF marker beacons (OM & MM)
Approach lights
VFR Heli Ops @ Airports (AIM 4-3-17)
Hover taxi - slow forward movement less than 25’ AGL
Air taxi - preferred method (ground operations & conditions permiting) , less than 100’ AGL
What three (3) things are required to initiate an approach?
C Cleared for the approach
O On course
W Within the remain within distance
How does an area forecast differ from a terminal forecast?
Area WX is reported in MSL & Terminal WX is reported in AGL (AIM 7-1-17)
What transponder code (Squawk) is used for lost communications?
7600 (FIH A-6, 5-A-1-b)
Squawk, climb, turn, proceed
In the IFR Supp, what does LAWRS mean.
Limited Aviation weather reporting station
Tell me the step by step procedure for performing fuel management procedures (Fuel Check). Task 1048
Compute in-flight fuel consumption check within 15 to 30 minutes of leveling off or entering into the mission profile.
The crew may utilize either a manual calculation or reference the aircraft’s DMS (electronic fuel consumption check).
Compute total pounds per hour
Bingo time of day
Burn out time of day
When conducting a VOR approach, how many degrees deviation is allowed?
½ scale deflection of the H.S.I. or 5 degrees.
When conducting an ADF approach, how many degrees deviation is allowed?
5 degrees
When conducting a LOC/ILS approach, how many degrees deviation is allowed?
Less than full scale deflection on both the LOC course and the Glide slope needle.
When arriving into holding what determines the type of entry? (Course being flown, A/C heading, Gnd Track)
Aircraft heading
How many degrees variation is allowed between the types of entry into holding?
5 degrees
How many types of ITO’s are there (Instrument Take Off)?
IMC from the ground,
VMC from the ground switch to IMC shortly after
When is the FAF for an ILS?
FAF for an ILS is always the Glide slope intercept.
What is the Lowest altitude called for a non precision approach?
Minimum Descent Altitude (MDA)
What is the Lowest altitude called for a precision approach?
Decision Altitude (DA)
How often does the PAR talk to you?
ATC talk every 5 sec’s
What is the difference in CTAF and UNICOM?
CTAF is the other traffic around the airport.
UNICOM is the ground personnel providing services to you like refuel, parking, etc.
Do Army aviators have to comply with the published takeoff procedures?
Yes, otherwise obstacle clearance would not be guaranteed
Do Army aviators have to comply with the published minimums?
No, ceiling and visibility minimums not applicable to USA/USN/USAF.
What does the H stand for in the H class VOR?
High Altitude Ref AIM table 1-1-1
