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SAMPLE SBTLanding / Approach

Float and Drift at Tampa International

Excess approach energy, a slippery DA20, and the challenge of directional control in gusting crosswind conditions — a runway excursion waiting to happen

Diamond DA20-C1 · Tampa International Airport (KTPA) · Private · Landing / Approach

The scenario

Departing Tampa International Airport (KTPA), Tampa, FL — Runway 19L, on a return-to-base approach after a 45-minute local flight. Elevation 26 ft MSL. You are a Private pilot with roughly 180 hours total time, current and proficient. This is a routine landing in a Diamond DA20-C1 — a light, slippery composite trainer with a fixed gear, fixed-pitch prop, and a single fuel tank. The airplane floats in ground effect and is sensitive to gusts; the castering nosewheel requires differential braking for directional control on rollout.

Conditions: VFR, visibility 10 SM, scattered clouds 3,500 ft AGL. Wind is from 160° at 12 knots gusting to 18 knots. Runway 19L is aligned 182° true; the wind is a crosswind of roughly 8 knots sustained with 6-knot gusts. Not extreme, but enough to demand attention and technique. The runway is 8,300 ft of pavement — plenty of length. The off-field environment off the runway ends is dense development, medium development, and open developed areas (parks, large lots) — marginal forced-landing terrain. You are not in an emergency; this is a normal approach.

You are on a 3° glide slope, 1.5 nm from touchdown on Runway 19L. ATC has cleared you to land. You are configured: flaps 15° (takeoff flap), gear down (fixed), speed 90 KIAS on a 2,000 ft/min descent. The approach is stable. You are planning to reduce flaps to landing flap (full flap, 78°) on short final and touch down around 55 KIAS (Vref). The crosswind is manageable with proper technique — crab into the wind on approach, transition to a forward slip on short final if needed, and land with the fuselage aligned to the runway.

Aircraft: Diamond DA20-C1, solo, full fuel (18 USG usable), within limits. Continental IO-240-B fuel-injected engine, 125 hp, fixed-pitch prop, steam panel, single fuel tank with ON/OFF selector. No carburetor heat (fuel-injected). The airplane is airworthy; nothing was written up.

Pilot: you — Private pilot, 180 hours total, current. You have roughly 40 hours in the DA20. You are familiar with its handling characteristics: light wing loading, sensitive to gusts, floats in ground effect, and the nosewheel castering — it needs differential braking to track straight on rollout. You have landed in crosswinds before, but this is the first time in gusting conditions in the DA20.

The decision

Before we get into the decision tree — what do you already know about crosswind landing technique in the DA20? (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 did not abort the landing early and did not maintain directional control during the go-around. The airplane impacted uneven terrain off the runway. Probable cause: improper landing flare and delayed remedial action to abort the landing.

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 attempted to abort the landing but the aircraft continued to descend with right yaw, exited the runway, and struck rough terrain. Probable cause: failure to maintain runway heading during an attempted 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 control inputs. The airplane veered left and impacted runway lights. Probable cause: 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. Probable cause: failure to maintain directional control during landing.

The consistent failure mode across all these accidents: loss of directional control during landing or go-around in crosswind or gusting conditions. The DA20's light wing loading and sensitivity to gusts make it prone to floating and drifting in ground effect. The castering nosewheel requires differential braking — not rudder alone — to maintain directional control on rollout. Early recognition of an unstable approach and a timely go-around are the primary defenses.

All of these real accidents occurred at other airports — NOT at Tampa International Airport (KTPA). KTPA has its own accident history (see field dominant patterns: FORCED_LANDING 22.2%, LOSS_OF_CONTROL_INFLIGHT 11.1%, LOSS_OF_CONTROL_GROUND 8.9%, WIRE_STRIKE 6.7%, GEAR_UP_LANDING 6.7%), but these specific DA20 runway excursion events happened elsewhere. The scenario is localized to KTPA to make the off-field environment real and consequential for you as a student here.

The off-field environment off Runway 19L's departure end (heading 182°) is dense development, medium development, and pasture/hay — marginal forced-landing terrain. A runway excursion off that runway end is not a minor event; it is a collision with obstacles or rough terrain.

Key lesson — The Diamond DA20 is a light, slippery airplane that floats in ground effect and is sensitive to gusts. Crosswind landings require proper technique: crab on approach, forward slip on short final, shallow smooth flare, and differential braking on rollout to maintain directional control. An unstable approach — floating, drifting, or veering — is a signal to go around early, not late. The castering nosewheel requires differential braking (not rudder alone) to correct directional deviations on rollout. Early recognition and a timely go-around are the primary defenses against a runway excursion.

Debrief — teaching points

The DA20 floats in ground effect — excess approach energy is the enemy.

The Diamond DA20 is a light composite airplane with low wing loading. In ground effect (below 50 ft AGL), it floats readily. Excess approach energy — arriving too fast, flaring too early, or carrying power too long — will cause the airplane to balloon and drift sideways in gusting conditions. A shallow, smooth flare at the correct approach speed (55 KIAS / Vref) is critical. Flaring too early or too aggressively will cause the airplane to float and lose directional control.

Crosswind technique: crab on approach, forward slip on short final.

On a crosswind approach in the DA20, crab into the wind on the approach to maintain runway alignment. On short final, transition to a forward slip (left wing down into the wind, right rudder to maintain alignment) to align the fuselage with the runway before touchdown. This technique allows you to touch down aligned with the runway, minimizing side loads on the landing gear and the castering nosewheel.

The castering nosewheel requires differential braking for directional control on rollout.

The DA20's nosewheel is castering — it is not steerable. On rollout, directional control is maintained with differential braking: left brake for left correction, right brake for right correction. Rudder input alone will not correct a veer on rollout; the nosewheel will be forced to track straight by the crab or drift. Differential braking is the tool. Practice this technique on every landing.

An unstable approach is a signal to go around — abort early, not late.

If the approach becomes unstable — floating, drifting, veering, or bouncing — a go-around is always an option. The decision to go around should be made early, when there is altitude and airspeed to climb out safely. Waiting until the last moment to abort a bad landing can result in a runway excursion or impact with obstacles. If you are not assured of a safe landing by 300 ft AGL, go around.

Gusting crosswind conditions demand heightened attention and smooth technique.

In gusting crosswind conditions, the DA20's light wing loading makes it sensitive to wind shear and gusts. A gust can roll the wing up and cause the airplane to drift sideways in an instant. Smooth, coordinated control inputs are essential. Avoid aggressive control movements; use small, smooth inputs to maintain alignment. If a gust breaks the slip or causes a veer, correct it smoothly and continue the approach or go around.

Know the off-field environment off each runway end at your home field.

Off Runway 19L at KTPA, the off-field environment is dense development, medium development, and pasture/hay — marginal forced-landing terrain. A runway excursion off that runway end is not a minor event; it is a collision with obstacles or rough terrain. Know the off-field environment off each runway end at your home field. This knowledge should inform your decision to go around if the approach is unstable.

Built from the real accident record

Scenario built from NTSB WPR20CA305 (2020 DA20 improper flare and veering), GAA19CA490 (2019 DA20 student solo yaw/excursion), GAA19CA330 (2019 DA20 crosswind flare/balloon/excursion), and WPR11CA099 (2011 DA20C1 directional control loss). Real events occurred at other airports — NOT at KTPA.

NTSB reports: WPR20CA305 · GAA19CA490 · GAA19CA330 · WPR11CA099

ACS tasks: PA.II.D — Crosswind Takeoff and Landing · PA.II.E — Slip and Forward Slip · PA.IX.C — Emergency Approach and Landing · PA.I.H — Human Factors · PA.II.A — Normal Takeoff and Climb

Relevant FARs: §91.3 · §91.13 · §91.185

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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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