SAR Flashcards
What is datum?
Most probable location of a search object over a given period of time.
What forces affect datum?
Wind current
Tidal current
Other water current (lake, river, etc)
What is sweep width?
Swath centered on SRU track where there is equal probability they will detect an object as there is that they will miss an object.
What is track spacing?
Distance between adjacent search legs.
The more difficult an object is to detect, the smaller the ______?
Track spacing.
What is CSP?
Commence search point -location where SRU begins search.
What is a search leg?
Long leg along the track of search pattern.
What is a cross leg?
Connection of two search legs.
What is creep?
General direction that the SRU moves through search area.
Square pattern is used when?
To search a small area when there is doubt about distress position.
Notes: more uniform coverage than a sector search (VS)
Square patterns turns are all?
90 degrees to the right.
Sector (V) pattern turns are?
120 degrees to the right.
Parallel patterns are used for?
Large search areas where only approximate initial position is known and uniform coverage desired.
Creeping line patterns are used for?
Covering one end of search area first.
Can also be used to change direction of search legs to mitigate sun glare or sea state.
Trackline pattern used when?
Intended route of search object is known.
Barrier pattern used when?
Areas with strong currents.
PEACE does what?
Identifies hazards
STAAR does what?
Identifies options
What are the letters of PEACE acronym?
Planning
EVENT
Asset
Communication
ENVIRONMENT
Coverage factor equation?
Sweep width(W) / Track Spacing (S)
Meteor flare height?
250-400 FT
Parachute flare height?
1000-1200 FT
If angle of elevation is more than 8 degrees for flare, then distance of flare from reporting source is?
1.4 NM
Range of 87 WPB?
875 NM
Seas of a 47 MLB?
30 FT
What does POS measure?
Probability of success.
POC x POD =
POS
Coverage factor is?
Measure of search thoroughness.
Search legs for helicopter SRU’s should allow at least ____ ?
1 minute of level flight
PSDA is what?
Probability of Survival Decision Aid
Ice immersion 1-10-1?
1 minute to get breathing under control
10 minutes of meaningful movement
1 hour until you become unconscious
How many distress signals?
16
Afloat units must wait how long to respond?
5 minutes, to allow shore units to respond
DSC Categories?
Distress
Urgency
Safety
Routine
SART frequency?
9 GHz
DSC Frequency?
156.525 MHz
MF voice distress channel?
2182 khz
SAR Stages?
Awareness
Initial Actions
Planning
Operations
Conclusion
VS pattern, upon completion, second pattern with what heading?
30 degrees to the right of final course of first pattern.
VM pattern second SRU course?
90 degrees to the left of first leg of first SRU.
Federal law requires all vessels of what length and greater to carry visual distress signals?
Vessels 16 FT and greater
How many sections in a SITREP?
5
SAFAC
Situation, Action taken, Future plans, Amplifying info, Case status
How many sections in SAP?
07
3 ways to communicate distress?
Visual
Audio
Electronic
Emergency Phases?
Uncertainty
Alert
Distress
SAR System Components?
Organization
Resources
Communications
Emergency Care
Documentation
14 USC 102?
SAR authority established
14USC521
SAR authority, may conduct SAR.
Total surface drift made up of two parts?
Total water current
Leeway
Handheld flare burn duration?
50-120 seconds
Meteor flare burn duration?
5.5 second minimum
Parachute flare burn duration?
30-40 seconds
SAR ADDENDUM INST #?
COMDINST M16130.2G
What appendix is for SAR checksheets?
Appendix G
What appendix for search planning guide?
Appendix H
What appendix for Flare incidents?
Appendix I
What appendix for ORM?
Appendix E
What appendix for MISLE?
Appendix B
Sea Area A1?
0-20 NM
VHF-FM
Objectives of SAR program?
Minimize loss of life, injury, property
Minimize crew risk during mission
Optimize use of resources in SAR
Maintain a world leadership position in maritime SAR
“MMOM”
Sea area A2?
Coastal up to 200NM
MF
Sea Area A3?
70N-70S
Inmarsat geostationary satellite
Sea Area A4
Polar regions
DSC equipped HF
How many steps in ORM?
5 steps
Primary ice rescue asset?
MH60
What is initial track spacing for a PIW?
0.1NM
What is coverage factor unless otherwise directed?
1.0
What does EPIRB stand for?
Emergency Position Indicating Radio Beacon
What is nominal range?
Max distance a light may be seen in clear weather conditions
Luminous range
Max distance at which light can be seen under existing weather conditions
Which incidents require a first light search?
Flare and UNCOR maydays
What is DAN?
Divers Alert Network at Duke University
What is required when MEDEVACING a diver?
Unpressurized aircraft should fly at lowest safe altitude or less than 1000 FT.
HC-27J Spartan range?
2674 nautical miles
HC-130 Hercules range?
5200 NM
HC-144 Ocean Sentry range?
2000 NM
MH-60 Jayhawk range?
700 NM
MH-65 Dolphin range?
375 NM
What are the two types of risk management?
Deliberate and Real-Time.
What is nominal range for meteor flares?
15-17 NM
What is nominal range for parachute flares?
14-20 NM
What is LOB error for R21?
+- 4 degrees
Cloud cover above the SRU reduces visual sweep width by how much?
10-20%
SAROPS automatically computes “search endurance” as?
85%
Nominal range of handheld flare?
8-16 NM
Nominal range of parachute flare?
14-20 NM
Special conditions that may develop with abnormal tide and currents affect search objects EXCEPT what type of current?
Tidal
What publication includes data on times and strengths on flood and ebb currents and time of slack water?
Tidal current tables.
What is max endurance of an MH-60?
6 hours
Offshore range of 47 MLB?
50 NM
What defines a search area?
Geographic area most likely to contain the search object.
NOAA Nowcoast tool in SAROPS is?
A static snapshot and is delayed by about 15 min.
How many raster chart options are in SAROPS?
7
How many graphic map options in SAROPS?
8
LOB scenario, what is the preferred method in SAROPS?
R21 scenario.
Probable error default value for R21 is?
0.1NM
If feedback from SRU’s indicates search crews are fatigued, sweep width values will be?
Reduced by 10%
What is default antenna height in SAROPS?
30 ft
In flare sighting case, if reporting source is in tall building, assume how many feet per floor level?
10 feet per floor.
When a flare is observed in daylight, default search object, if unknown, is what?
A 20 ft power boat.
Dead reckoning error for a boat?
15%