Float and Drift at Tampa Executive
Excess approach energy, a slippery airframe, and crosswind gusts — the DA20-C1 demands precision on short final
The scenario
Departing Tampa Executive Airport (KVDF), Tampa, FL — Runway 05, a 5,000 ft asphalt runway. Elevation 22 ft MSL. You are a Private pilot with roughly 80 hours total, 15 hours in the DA20-C1. This is a solo flight in the school's composite trainer.
It is a warm, humid Florida afternoon: OAT 26°C, dew point 21°C, altimeter 29.94. Winds are from 080° at 12 knots, gusting to 18 knots — a crosswind of roughly 8–10 knots on Runway 05 (true heading 042°). Visibility is 10 SM. The sky is scattered clouds at 3,500 ft. Typical Gulf Coast conditions: warm, gusty, and demanding on a light, slippery airframe like the DA20.
You have completed a 45-minute local flight. The approach to Runway 05 is stable at first: you are on a 3° glide slope, 55 KIAS (Vref, approach speed), flaps 15° (landing configuration). The runway is made. But as you cross the threshold, a gust pushes you high. You add power to arrest the descent, then reduce it again. You are now floating — drifting down the runway at 60 KIAS, 30 ft AGL, with 4,000 ft of runway remaining. The DA20 is light and slippery; it floats in ground effect.
Aircraft: Diamond DA20-C1, solo, full fuel, within limits. Continental IO-240-B fuel-injected engine, fixed-pitch prop, fixed gear, steam panel. Single fuel tank, ON/OFF selector. The airplane is airworthy.
Pilot: you — Private pilot, 80 hours total, 15 hours DA20. You are current and have landed the DA20 a dozen times. But you have never landed it in gusts this strong, and you have never had to manage a float this long. The decision clock is now.
- {'label': 'Field', 'value': 'KVDF · Tampa Executive'}
- {'label': 'Runways', 'value': '5/23 · 18/36'}
- {'label': 'Elevation', 'value': '22 ft'}
- {'label': 'Aircraft', 'value': 'DA20'}
- {'label': 'Dominant phase', 'value': 'Landing / Takeoff'}
The decision
Before we get into the decision tree — what do you already know about the DA20-C1's landing characteristics and crosswind handling? (Pick all that apply; this records your baseline.)
What the record shows
What the NTSB files show
NTSB WPR20CA305 (2020): A Diamond DA20 on an instructional flight bounced during landing and veered left during a go-around attempt. The student pilot's improper landing flare and delayed remedial action to abort the landing resulted in a loss of aircraft control, runway excursion, and impact with terrain. The probable cause was the student pilot's improper flare and failure to execute a timely go-around.
NTSB GAA19CA490 (2019): A Diamond DA20 flown by a student pilot on a first solo flight experienced right yaw during the third approach that could not be corrected with rudder input. The student aborted the landing, but the aircraft continued to descend with right yaw, exited the runway, and struck rough terrain. The probable cause was the student pilot's failure to maintain runway heading during the aborted landing.
NTSB GAA19CA330 (2019): A Diamond DA20 student pilot flared too early during a crosswind landing, ballooned, and drifted left. When the instructor called for a go-around, the student maintained a strong grip on the controls, preventing the instructor from making corrections. The airplane exited the runway and struck runway lights. The probable cause was the student's failure to maintain runway heading and refusal to relinquish controls in gusting crosswind conditions.
NTSB WPR11CA099 (2011): A Diamond DA20C1 drifted left during landing rollout and struck a snow bank after the left main tire caught the bank edge. The probable cause was the pilot's failure to maintain directional control during landing.
The common thread: the DA20-C1 is a light, slippery composite airframe with a castering nosewheel that demands precise directional control during rollout, especially in crosswind gusts. A gust-induced drift of just a few feet, if not corrected immediately with differential braking, can grow into a runway excursion. The accidents cited above occurred at other airports — NOT at Tampa Executive Airport. KVDF has its own accident history (LOSS_OF_CONTROL_GROUND 18.4%, HARD_LANDING 18.4%, FORCED_LANDING 15.8%), but these specific NTSB cases happened elsewhere. The scenario is localized to KVDF to make the runway geometry and off-field environment real for you as a student here.
Off Runway 05's departure end (heading 042°), the off-field environment is mostly wooded wetland, medium development, and pasture — a forced landing there is survivable. Off Runway 36's departure end (heading 360°), the off-field environment is medium development, wooded wetland, and open water — a forced landing there is more hazardous. The runway choice matters.
Key lesson — The DA20-C1's light wing loading and slippery composite airframe make it sensitive to crosswind gusts during landing and rollout. A gust-induced drift of 3–4 feet, if not corrected immediately with differential braking, can grow into a runway excursion. The nosewheel is castering, not steerable — directional control during rollout depends entirely on differential braking. At KVDF, with Runway 05 offering a 5,000 ft landing surface and a relatively benign off-field environment, the margin for error is there — but only if you act immediately when a drift begins. Hesitation or delayed correction is the accident.
Debrief — teaching points
The DA20-C1 floats in ground effect — accept it and plan for it.
The DA20 is a light, slippery composite airframe. It resists settling and floats in ground effect. This is not a defect; it is a characteristic of the airframe. Plan for a longer landing distance than you would in a Cessna 172. Arrive at the threshold at Vref (55 KIAS), not above it. If a gust pushes you high and the float becomes excessive, a go-around is the correct decision. Trying to force the airplane onto the runway with a hard descent trades a long landing for a hard landing, and the impact energy is higher.
Vref is 55 KIAS — this is the target speed to minimize float and ensure a stable descent.
The DA20-C1 POH specifies Vref (approach speed on short final) as 55 KIAS. This is the speed that balances descent rate, control authority, and float characteristics. Arriving at the threshold above Vref (say, 60 KIAS) increases float and landing distance. Arriving below Vref (say, 50 KIAS) risks a stall or a descent rate that is too steep. Fly 55 KIAS on short final. If a gust pushes you above Vref, add power to arrest the descent and maintain the glide slope — do not accept a higher approach speed.
The DA20 has a castering nosewheel — directional control during rollout depends on differential braking.
Unlike a Cessna with a steerable nosewheel, the DA20's nosewheel is castering — it follows the main wheels. Directional control during rollout is entirely a function of differential braking: apply more brake pressure to one main wheel to slow that side and bring the nose back to the centerline. Heavy, even braking pressure on both wheels reduces the nosewheel's load and makes the castering action more sensitive to gusts. Light, even braking is the baseline; differential braking is the correction tool. If a gust-induced drift begins, correct it immediately with differential braking — do not wait for the drift to grow.
A gust-induced drift of 3–4 feet at 30+ knots, if not corrected immediately, grows into a runway excursion.
The NTSB cases (WPR11CA099, GAA19CA330, GAA19CA490) all show the same sequence: a gust pushes the wing up, the airplane drifts a few feet off the centerline, the pilot does not correct immediately, the drift grows, and the main wheel exits the runway. At 30 knots, a 3 ft drift is manageable with a quick differential brake correction. At 20 knots, a 4 ft drift is still manageable. But at 15 knots with a 5 ft drift, the main wheel is at the runway edge and the airplane is about to exit. The decision window is measured in seconds. Scan the runway centerline during rollout; if you see drift, correct it immediately.
A go-around at 30 ft AGL is a valid decision — do not force a landing that is unstable.
If the approach is unstable (too high, too fast, floating), a go-around is the correct decision. At 30 ft AGL, you have enough altitude and airspeed to climb out safely. Advance the throttle to full power, lower the nose to maintain airspeed (do not stall), retract flaps to 0° as you climb through 50 ft, and climb at Vy (75 KIAS) back to pattern altitude. A go-around costs time and fuel, but it costs far less than a hard landing or a runway excursion. The NTSB cases show that pilots who forced unstable landings paid a higher price than those who went around.
Crosswind gusts at 12–18 knots are manageable on a 5,000 ft runway — but only with precision.
A crosswind of 8–10 knots on the DA20 is within limits (the airplane can handle more), but gusts that push the wind to 18 knots demand precision. A steeper descent angle, a go-around if the approach is unstable, and immediate differential braking corrections during rollout are the tools. Alternatively, if a parallel runway with a headwind component is available (like Runway 23 or 36 at KVDF), that runway may offer a more stable approach. Know your options before you line up on final.
Built from the real accident record
Scenario built from NTSB WPR20CA305 (2020 DA20 bounce and veering during go-around), GAA19CA490 (2019 DA20 right yaw during aborted landing), GAA19CA330 (2019 DA20 flare-induced balloon and crosswind drift), and WPR11CA099 (2011 DA20C1 directional control loss during rollout). Anonymized and localized to KVDF (Tampa Executive Airport).
NTSB reports: WPR20CA305 · GAA19CA490 · GAA19CA330 · WPR11CA099
ACS tasks: PA.II.J — Crosswind Takeoff and Landing · PA.II.K — Slip to a Landing · PA.IX.C — Emergency Approach and Landing · PA.I.H — Human Factors · PA.II.I — Forward Slip
Relevant FARs: §91.3 · §91.13 · §91.209
Step through the full decision tree, make the calls, and see where each choice leads — then debrief it with your CFI.
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