Gear up landing by an M20 private pilot in windy conditions, non tower airport, at daf.

Attributes
ACN	632623
Time
Date	200410
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : daf.airport
State Reference	WI
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Weather Elements	Windshear Turbulence
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	M-20 B/C Ranger
Operating Under FAR Part	Part 91
Flight Phase	landing : roll
Route In Use	approach : visual
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 16 flight time total : 644 flight time type : 345
ASRS Report	632623
Events
Anomaly	ground encounters : gear up landing inflight encounter : turbulence non adherence : published procedure
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	other other other
Supplementary
Problem Areas	Flight Crew Human Performance Environmental Factor Weather
Primary Problem	Flight Crew Human Performance

Narrative:

Gear up landing at small, non-controled aircraft at daf. Moderate turbulence and gusting crosswind of 20+ KTS required frequent corrections of direction and altitude in the landing pattern. This aircraft normally requires gear to be down to slow down to flap operating speed. I suspect that turning downwind leg dropped airspeed dramatically. Began to correct loss of pattern altitude with throttle, lowered flaps at white arc. Concentration focused on altitude and approach speeds in downwind and base legs. Turning final, gusty crosswind required corrections at the point final 'gumps' check is normally performed. Wind added to ground effect at flare point then stopped abruptly. First indication of problem to pilot was tailskid and propeller striking runway centerline. No gear warning horn was heard. Possibly due to anr headset and concentration on course/speed/altitude corrections required by winds.

Original NASA ASRS Text

Title: GEAR UP LNDG BY AN M20 PVT PLT IN WINDY CONDITIONS, NON TWR ARPT, AT DAF.

Narrative: GEAR UP LNDG AT SMALL, NON-CTLED ACFT AT DAF. MODERATE TURB AND GUSTING XWIND OF 20+ KTS REQUIRED FREQUENT CORRECTIONS OF DIRECTION AND ALT IN THE LNDG PATTERN. THIS ACFT NORMALLY REQUIRES GEAR TO BE DOWN TO SLOW DOWN TO FLAP OPERATING SPD. I SUSPECT THAT TURNING DOWNWIND LEG DROPPED AIRSPEED DRAMATICALLY. BEGAN TO CORRECT LOSS OF PATTERN ALT WITH THROTTLE, LOWERED FLAPS AT WHITE ARC. CONCENTRATION FOCUSED ON ALT AND APCH SPDS IN DOWNWIND AND BASE LEGS. TURNING FINAL, GUSTY XWIND REQUIRED CORRECTIONS AT THE POINT FINAL 'GUMPS' CHK IS NORMALLY PERFORMED. WIND ADDED TO GND EFFECT AT FLARE POINT THEN STOPPED ABRUPTLY. FIRST INDICATION OF PROB TO PLT WAS TAILSKID AND PROP STRIKING RWY CTRLINE. NO GEAR WARNING HORN WAS HEARD. POSSIBLY DUE TO ANR HEADSET AND CONCENTRATION ON COURSE/SPD/ALT CORRECTIONS REQUIRED BY WINDS.

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.