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For the current METAR report, enter one or more the 4-character ICAO airport codes, e.g., KORD for Chicago O'Hare.
"KMTW" reports the current observation at the summit of 6288-foot Mount Washington, NH.
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630H Bell Helicopter
Flight Calculator
Computes weight and balance for Bell Helicopters types 407 (with and without auxiliary fuel), 206L-1, 206L-3 (with and without Fuel Quantity Switch), 206L-4, and 206B (Serial #1 - 3566 with and without Range Extender Fuel System, and Serial #3567+),.
Computes CG at most aft, most critical, and most forward fuel loading, as well as the lateral cg.
Also computes density altitude, true air speed, great-circle distance and initial heading, and estimated time enroute. See other features.
For detailed information on the aircraft types, cg envelopes, and other items, read or download the 630H User's Guide.
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630L Lake Aircraft
Flight Calculator
Computes weight and balance for Lake Aircraft types LA-270, LA-250, LA-200, and LA-200 with Auxiliary Tanks.
The weight and balance calculations include stations for the forward and aft ballast compartments and sponson wing tanks.
Also computes density altitude, true air speed, great-circle distance and initial heading, and estimated time enroute. See other features.
For detailed information on the aircraft types, cg envelopes, and other items, read or download the 630L User's Guide.
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630B Mooney Aircraft
Flight Calculator
Computes weight and balance for Mooney Aircraft types M20J, M20M, and M20M with Monroy long-range fuel tanks.
Also computes density altitude, true air speed, great-circle distance and initial heading, and estimated time enroute. See other features.
For detailed information on the aircraft types, cg envelopes, and other items, read or download the 630B User's Guide.
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| Weight & Balance Features
The weight-&-balance routine computes the gross weight and longitudinal center-of-gravity (and, for helicopters, the lateral cg), and checks it against the published cg envelope for the aircraft.
Pilot, copilot, PX, baggage, and ballast are entered in pounds; Fuel is entered in gallons.
The computed gross weight, cg, and cg envelope at the computed gross weight are displayed. If the computed cg is near (or beyond) the forward or aft limits, or the aircraft is over maximum gross weight, it is reported to the user.
Then the expected quantity of fuel still on board at landing is entered, and the landing weight, cg, cg envelope at landing weight, and VREF are calculated. (VREF is not calculated for helicopters.)
The routine has a Rework option which allows you to review all the weight and balance entries and make changes easily to redistribute or change the loading of the aircraft.
The empty weight and arm, arms of all stations, maximum takeoff and landing weights, and VSO are entered by the user.
Full details are in the applicable User's Guide (see individual products above).
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| Other Features
All the above Flight Calculators have these standard routines as well as the weight-&-balance routines for the specific aircraft.
Density Altitude. This routine computes the density altitude based on indicated altitude, altimeter setting, and outside air temperature. The standard outside air temperature is also calculated.
True Air Speed. This routine computes the true air speed form the calibrated airspeed based on the density altitude.
Great Circle Distance & Heading. This routine computes the distance and initial heading between two lat/long points. Lat/long coordinates are entered in the aviation format of ddmm.m (degrees, minutes and tenths of minutes).
Estimated Time Enroute/Fuel Required. This routine computes the estimated time enroute in hours and minutes based on the distance and groundspeed. It also computes the fuel requirement based on the fuel consumption rate and fuel reserve (45 minutes for fixed wing, 20 minutes for helicopters).
Permanent Program Storage. Program will not be lost if batteries need to be replaced.
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8 Dec 2004 |
