Narrative:

With reference to part 2-JAC page 10-7 -- under 'landing' quote 'check approach/climb weight limit if returning after takeoff or diverting into jac.' this is only near reference to plan go around with flaps 15 degrees -- but performance manual has no data for a flaps 15 degrees go around at elevations as high as jac. Is a flaps 40 degrees approach with a flaps 11 degrees go around called for. Performance man airport section page 39 does not address this question 2, reference performance man jac special analysis, airport section, page 39 quote ' for 1 1/2 up to 3 inches of dry snow, apply same limitations as for 1/2 inch slush' the performance man slush correction tables for 1/2 inch slush, airport section, page 4 and 6 have no data for runways as short as jac, 6299 ft.

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Original NASA ASRS Text

Title: ACFT PERFORMANCE QUESTIONED RELATIVE TO PUB DEFICIENCY IN GAR MISSED APCH ACFT CONFIGN, RWY LENGTH REQUIRED.

Narrative: WITH REF TO PART 2-JAC PAGE 10-7 -- UNDER 'LNDG' QUOTE 'CHK APCH/CLB WT LIMIT IF RETURNING AFTER TKOF OR DIVERTING INTO JAC.' THIS IS ONLY NEAR REF TO PLAN GAR WITH FLAPS 15 DEGS -- BUT PERFORMANCE MANUAL HAS NO DATA FOR A FLAPS 15 DEGS GAR AT ELEVATIONS AS HIGH AS JAC. IS A FLAPS 40 DEGS APCH WITH A FLAPS 11 DEGS GAR CALLED FOR. PERFORMANCE MAN ARPT SECTION PAGE 39 DOES NOT ADDRESS THIS QUESTION 2, REF PERFORMANCE MAN JAC SPECIAL ANALYSIS, ARPT SECTION, PAGE 39 QUOTE ' FOR 1 1/2 UP TO 3 INCHES OF DRY SNOW, APPLY SAME LIMITATIONS AS FOR 1/2 INCH SLUSH' THE PERFORMANCE MAN SLUSH CORRECTION TABLES FOR 1/2 INCH SLUSH, ARPT SECTION, PAGE 4 AND 6 HAVE NO DATA FOR RWYS AS SHORT AS JAC, 6299 FT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.