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The pre-flight safety audit


Rev. 19 — page content was last changed November 17, 2009
consequent to editing by RA-Aus member Dave Gardiner www.redlettuce.com.au
Flight Planning and Navigation
  

Module content

Before departure you should have determined if you are completely prepared for the flight and any emergencies that may arise; checked that all navigation planning, navigation equipment and aircraft equipment requirements have been met; lodged your detailed flight plan — in the form of a Flight Note — with a responsible person; and finally, assessed that your own physical and psychological condition is conducive to safe flight.

6.1 Being prepared for an emergency

There is always a possibility of an en route engine problem, or other event, necessitating an off-airfield landing. A reasonable knowledge is required of the procedures with such incidents, particularly those occurring in remote areas. Read the 'Coping with emergencies' guide. Also read the ERSA emergency procedures dealing with activation of a radio distress beacon, visual distress signals and survival — go to Airservices publications then to En Route Supplement Australia (ERSA) and finally Emergency Procedures.

Before departure it is certainly wise — if not mandatory — to leave enough information with a responsible person, so if you fail to check in with them by an agreed time a telephone ring-around can be initiated. If that is unsuccessful the Rescue Coordination Centre of the Australian Search and Rescue organisation [AusSAR] can be notified. AusSAR will attempt to make contact with the missing aircraft. If that is also unsuccessful AusSAR will initiate a search that uses your planned track as a starting point. The information that AusSAR requires should be contained in the Flight Note form recommended by the Australian Maritime Safety Authority [AMSA]. AusSAR is a division of AMSA.

For further information on radio distress beacons, AusSAR ELT monitoring and search procedures, refer to the 'Safety and emergency communication procedures' in the VHF radiocommunications guide.

6.2 Planning and equipment check list

It is advisable to run through a flight planning, navigation equipment and aircraft equipment check list to ensure that all requirements have been covered:

  • Have I established the safest route and minimum safe altitude; avoiding high ground, tiger country, hazards, restricted areas and CTA/CTR — or airspace where a functioning transponder is mandatory?

  • Have I double checked that all magnetic bearings and distances on the flight plan have been measured correctly?

  • Have I checked the locations and the suitability of refuelling stops, of the destination airfield and of alternate landing areas? Have I checked their details in ERSA including ASIC requirements? For airfields not listed in ERSA have I checked with the owner/operator about the airfield dimensions, slope, condition, approach and departure limitations, animals, power lines and other obstructions? Is my skill level sufficient to safely land and take-off at those airfields?

  • Have I checked the en route, destination and alternate airfields' weather, cloud base and visibility (ARFOR, TAFs, METARS and surface chart) and NOTAM (ADs, ALAs and restricted areas)?

  • Have I calculated density altitude for the departure and destination airfields, and ascertained that the effect on take-off, climb-out and landing performance at the expected aircraft weight will still provide an adequate safety margin?

  • Have I left a Flight Note, showing the itinerary, with a responsible person who knows what action to take if I fail to check in by the agreed time?

  • Have I checked that watch, compass, ASI and altimeter function okay and that nothing is placed in such proximity that compass operation will be affected?

  • Should I be equipped with a functional VHF transceiver; if so, have I noted/loaded all the required frequencies?

  • Should I be equipped with a satellite-compatible 406MHz radio distress beacon?

  • Do I have approved life jackets on board, if any part of my flight is over water?

  • Do I need to take an inflatable life raft with emergency survival kit?

  • Have I back-up batteries for handheld equipment?

  • Am I wearing clothing suitable for the surface conditions, in case of an unplanned landing?

  • Should there be a first aid kit in the aircraft?

  • Should I take an extra supply of prescribed medication?

  • Is there an adequate water supply in the aircraft?

  • Is tie-down gear loaded?

  • Have I physically confirmed that the actual fuel load provides a reasonable margin, on top of the flight plan needs — including the reserve?

  • Has the fuel in the tanks been physically checked for suitability, quality and water or other contamination?

  • Have I checked aircraft weight & balance with everything and everyone loaded?

6.3 Personal fitness for flight

The next check is a personal one, determining if YOU are safe to fly. A mnemonic checklist has been developed for that purpose. Answering 'yes' to any of these questions may mean that your alertness, perception, judgement, situational awareness and general performance capability are seriously downgraded.

The I'MSAFE checklist is:
Illness?
Do I have an illness or any symptoms of an illness or disorder?

Medication and other drugs?
Have I been taking/mixing prescription, over-the-counter or 'recreational' drugs?

Stress?
Am I under psychological pressure from the job or personal circumstances? Am I worried about financial matters, health problems, family problems or discord?

Alcohol?
Have I been consuming alcohol within the previous 8 hours? (Even within 8–16 hours after consumption, blood alcohol levels can be significant; if tested by an authorised person, the permissible blood alcohol content is less than 0.02.) Would my average alcohol consumption be classified at greater than 'very low risk'?

Fatigue?
Am I tired or inadequately rested?

Eating and drinking?
Am I inadequately nourished and/or dehydrated?


There are several articles, contained in the online version of CASA's magazine Flight Safety Australia, which are recommended reading. See the section titled 'Aviation medicine' in our index to those magazine articles.

[ The next section in the airmanship and safety sequence is the section describing the
Procedure when 'lost' ]


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Groundschool – Flight planning & Navigation Guide

| Guide contents | 1. Australian airspace regulations | 2. Charts & compass | 3. Route planning |

| 4. Effect of wind | 5. Flight plan completion | [6. Safety audit] | 7. Airmanship, flight discipline & HF training |

| 8. Enroute adjustments | 9. Supplementary techniques | 10. Global Positioning System |

| 11. Using the ADF | 12. Electronic planning & navigation | 13. ADS-B surveillance technology |


Supplementary documents

| Operations at non-controlled airfields | Safety during take-off & landing |

Next - airmanship The next section of the flight planning & navigation ground school discusses airmanship and flight discipline





Copyright © 2001–2009 John Brandon     [contact information]