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SAMPLE SBTTakeoff / Climb

Uncoordinated Turn on Climbout

A stall/spin risk in the slippery DA20 at low altitude — recovery requires immediate recognition and correct technique

Diamond DA20-C1 · Tampa Executive Airport (KVDF) · Private · Takeoff / Climb

The scenario

Departing Tampa Executive Airport (KVDF), Tampa, FL — Runway 05, climbing out on a 042° heading. Elevation 22 ft MSL. The runway is short (5,000 ft) and the off-field environment off the Runway 05 departure end is good: mostly wooded wetland, medium development, pasture/hay. Plenty of landing options if you need them.

It is a warm Florida morning: OAT 24°C, light crosswind from the southeast (roughly 8 knots, gusting to 12). Visibility 10 SM, scattered clouds at 3,500 ft. KVDF is non-towered (CTAF 118.5). You are in Class G airspace below 3,000 ft MSL; above 3,000 ft you enter the overlying Tampa Class B (3,000–10,000 MSL).

You are a Private pilot with roughly 180 hours total time, about 40 hours in the Diamond DA20. The DA20 is a light, slippery composite trainer with a fixed gear and fixed-pitch prop — it floats in ground effect and is sensitive to gusts. The nosewheel is a castering design; you will need differential braking for directional control during rollout.

Aircraft: Diamond DA20-C1, solo, 1,650 lb (within limits). Continental IO-240-B fuel-injected engine, 125 hp. Single fuel tank, ON/OFF selector. Steam panel (vacuum-driven attitude indicator, turn coordinator, heading indicator). No carburetor heat — this is a fuel-injected engine. Full fuel (18 gallons usable).

You have just rotated on Runway 05. Airspeed is 52 KIAS (liftoff speed). You are climbing at 75 KIAS (Vy, best rate of climb). The crosswind is noticeable but manageable. You are at 200 ft AGL, heading 042°, when you decide to turn left toward a heading of 020° to avoid a light rain shower to the northeast. You begin a shallow left turn without thinking much about it — routine departure procedure.

The decision

Before we get into the decision tree — what do you already know about stall/spin risk in the DA20 at low altitude? (Pick all that apply; this records your baseline.)

What the record shows

What the NTSB files show

NTSB WPR09FA062 (2008, FATAL): A Diamond DA 20-C1 on a solo instructional flight near Alamo Lake State Park, Arizona, experienced loss of control during the performance of a maneuver. The pilot failed to maintain control and failed to recover from the subsequent aerodynamic stall and spin. The airplane descended into terrain. The pilot was fatally injured. The probable cause was the pilot's failure to maintain control during the performance of a maneuver and his failure to recover from the subsequent aerodynamic stall and spin.

NTSB GAA19CA527 (2019): A Diamond DA20 flown by a student pilot with a flight instructor on board experienced an aerodynamic stall during a soft-field takeoff when the student released back pressure and the instructor's corrective action was delayed. The student's improper pitch attitude during the takeoff climb, combined with the instructor's delayed remedial action, resulted in an aerodynamic stall and ground impact. The airplane was substantially damaged; both occupants survived.

The common thread: the DA20 is a light, slippery composite trainer that is sensitive to pitch and coordination. An uncoordinated turn, a crosswind gust, or an improper pitch attitude during climb can trigger a stall at an airspeed well above the published stall speed. At low altitude — 200 ft AGL or less — there is almost no altitude to recover. The stall/spin sequence happens in seconds.

The real accidents cited above occurred at other locations (Alamo Lake, Arizona; location of GAA19CA527 not specified) — NOT at Tampa Executive Airport (KVDF). KVDF has its own accident history dominated by loss of control, hard landings, and forced landings. The scenario is localized to KVDF to make the off-field environment real and consequential for you as a student here.

The off-field environment off Runway 05 at KVDF is good: mostly wooded wetland, pasture/hay, and medium development. A forced landing there is survivable. Off Runway 36, the environment is ditching — mostly medium development, wooded wetland, and open water. The runway choice matters.

The consistent lesson: coordination at low altitude is not optional. The DA20 floats in ground effect and is sensitive to gusts. An uncoordinated turn, especially in a crosswind, can stall a wing without warning. The only defense is active, conscious coordination: ball centered with rudder, roll with ailerons, pitch control to maintain airspeed. At 200 ft AGL, there is no margin for error.

Key lesson — In the DA20 at low altitude, uncoordinated flight is a stall/spin trap. A crosswind gust during a turn can unload a wing and stall the loaded wing at an airspeed well above the published stall speed. At 200 ft AGL, there is almost no altitude to recover. The only defense is active coordination: ball centered, roll with ailerons, pitch control to maintain airspeed. If a stall occurs, the recovery is opposite rudder to stop the rotation, then forward stick to break the stall — not a pull-up. At 50 ft AGL after recovery, land straight ahead in the best available off-field environment; do not attempt a turn back to the runway.

Debrief — teaching points

Uncoordinated flight in a turn can stall a wing at an airspeed well above the published stall speed.

The DA20's published stall speed is 44 KIAS clean (36 KIAS landing flap). But in an uncoordinated turn — yaw without roll, or roll without coordinated yaw — a wing can stall at 60, 70, or even 75 KIAS. The reason: the loaded wing in the turn is at a higher angle of attack than the unloaded wing. If the airplane is yawed (nose not aligned with the direction of turn), the angle of attack on the loaded wing increases further. A crosswind gust can unload the outside wing, increasing the angle of attack on the inside wing to the stall point. The published stall speed assumes coordinated flight; uncoordinated flight breaks that assumption.

At low altitude, there is no altitude to recover from a stall or spin.

At 200 ft AGL, a stall/spin sequence takes 10–15 seconds from entry to ground impact. The recovery from a spin requires opposite rudder to stop the rotation, then forward stick to break the stall. This recovery takes altitude — typically 500–1,000 ft in a light airplane. At 200 ft AGL, you have 1/3 to 1/5 of that. The only defense is to avoid the stall entirely. This means active, conscious coordination at all times during low-altitude maneuvering.

The DA20 is light, slippery, and sensitive to gusts — especially in a crosswind.

The DA20 is a composite trainer with a light wing loading. It floats in ground effect and is sensitive to wind gusts. In a crosswind, a gust can unload a wing suddenly. If you are in a turn and not actively coordinating, that wing drop can trigger a stall. The nosewheel is also castering, which means you will need differential braking for directional control during rollout. Know the airplane's handling characteristics and respect them.

Stall recovery in a turn is opposite rudder, then forward stick — not a pull-up.

The natural instinct when a wing drops in a stall is to pull back on the stick to raise the wing. This is wrong. Pulling back increases the angle of attack, deepening the stall. The correct recovery is: (1) apply full opposite rudder to stop the rotation, (2) push the stick forward to reduce the angle of attack and break the stall, (3) level the wings with ailerons, (4) recover the pitch attitude smoothly. At low altitude, step (4) must be smooth — pulling back hard can exceed the airframe's design limit (Va) and cause structural failure.

At 50 ft AGL after a stall/spin recovery, land straight ahead — do not attempt a turn back to the runway.

After recovering from a stall/spin at 50 ft AGL, you are in a steep dive with minimal altitude. The priority is to get the airplane on the ground safely. If there is open terrain ahead (pasture, field, open water for ditching), land there. Do not attempt a turn back to the runway — a turn at 50 ft AGL with a damaged or unstable airplane is a second stall/spin. Land straight ahead in the best available off-field environment. At KVDF, the off-field environment off Runway 05 is good (pasture, wooded wetland, medium development); off Runway 36 it is ditching (open water). The runway choice matters.

Built from the real accident record

Scenario built from NTSB WPR09FA062 (2008 DA20-C1 loss of control / stall-spin, fatal) and GAA19CA527 (2019 DA20 stall during soft-field takeoff, student/instructor). Anonymized and localized to KVDF (Tampa Executive Airport).

NTSB reports: WPR09FA062 · GAA19CA527

ACS tasks: PA.I.F — Weather Information · PA.II.A — Preflight Inspection · PA.II.C — Takeoff and Climb · PA.IV.B — Stall Recognition and Recovery · PA.IV.C — Spin Awareness · PA.I.H — Human Factors

Relevant FARs: §91.3 · §91.13 · §91.107

Run this scenario yourself

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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