The Turn to Final
A base-to-final stall in a Cirrus SR20 — energy management, stall recognition, and the decision to go around
The scenario
Departing Clearwater Air Park (KCLW), Clearwater, FL — Runway 16, a local training flight in the pattern. Elevation 71 ft MSL. KCLW is non-towered (CTAF 122.8); you self-announce on the common frequency. Overlying airspace is Tampa Class B (3,000 MSL floor), but you are staying in the pattern at pattern altitude.
It is a warm, humid Florida afternoon: OAT 31°C, dew point 24°C, altimeter 29.92. Scattered clouds at 3,500 ft, visibility 10 SM. Light winds from the southeast, 3–5 knots. The runway is dry. Density altitude is approximately 1,500 ft — the air is thick, but not extreme.
You are on base leg, descending through 800 ft AGL, airspeed 90 KIAS, heading 245° (left base for Runway 16). The runway is in sight ahead and to the left. You are about to turn final. This is your fourth approach of the day — you have been in the pattern for 45 minutes. You are familiar with KCLW; you have landed here a dozen times.
Aircraft: Cirrus SR20, solo, 2,800 lb gross weight, within limits. Fuel is 35 gallons (sufficient for the training flight). The constant-speed propeller is set to high RPM for the approach. Flaps are at 50% (Vfe 120 KIAS). The angle-of-attack indicator is visible on the Avidyne glass panel.
Pilot: you — a Private pilot, current, roughly 180 hours total. You have 12 hours in the SR20. You have not formally trained on stall recognition in the SR20 or on the differences between this airplane's higher approach speeds (Vref 80 KIAS, best glide 96 KIAS) and the Cessna 172 you trained in (Vref 60 KIAS, best glide 65 KIAS). You are comfortable in the pattern. You are not thinking about energy management or stall warning signs.
- {'label': 'Field', 'value': 'KCLW · Clearwater Air Park'}
- {'label': 'Runways', 'value': '16/34'}
- {'label': 'Elevation', 'value': '71 ft'}
- {'label': 'Aircraft', 'value': 'SR20'}
- {'label': 'Dominant phase', 'value': 'Landing / Approach'}
The decision
Before we get into the decision tree — what do you know about stall recognition and energy management in the SR20? (Pick all that apply; this records your baseline.)
What the record shows
What the NTSB files show
NTSB WPR20LA152 (2020, fatal): A Cirrus SR20 flown by a student pilot on a solo cross-country flight stalled during a steep descending turn to final approach at low altitude. The pilot exceeded the aircraft's critical angle of attack. The parachute was deployed, but too late — at an altitude insufficient for the parachute to fully inflate before impact. The probable cause was the pilot's exceedance of the critical angle of attack during the base-to-final turn. The accident was fatal.
NTSB ERA23FA358 (2023, fatal): A Cirrus SR20 student pilot on a solo night flight impacted trees during initial climb after the fourth takeoff of the evening. The accident was attributed to spatial disorientation (somatogravic illusion). While this accident occurred on climb-out, not on approach, it illustrates the SR20's vulnerability to loss of control when the pilot is not maintaining precise airspeed and attitude control — a pattern that repeats across SR20 accidents.
NTSB WPR12FA235 (2012, fatal): A Cirrus SR20 on a cross-country flight stalled while maneuvering over mountainous terrain at high density altitude. The pilot failed to maintain sufficient airspeed while maneuvering. The accident was fatal. The contributing factor was the pilot's lack of experience operating in high-DA environments.
NTSB GAA19CA099 (2018): A Cirrus SR20 on a training flight stalled during a go-around when the student pilot aggressively pitched up after being instructed to abort the landing. The flight instructor's delayed remedial action allowed the stall to develop. The student pilot exceeded the critical angle of attack during the go-around.
Regional precedent — NTSB FTW91DRG06 (1991, fatal): A Questair Venture experimental aircraft stalled during a base-to-final turn and nosed over out of control. The pilot failed to maintain flying airspeed during the approach. The accident occurred in a different aircraft type, but the mechanism is identical: a slow base-to-final turn, inadequate airspeed, and a stall at low altitude.
Regional precedent — NTSB SEA07CA125 (2007): A Cessna 170B stalled during the base-to-final turn when the pilot allowed airspeed to become too low. The pilot attempted recovery but the aircraft impacted a field adjacent to the airport. The lesson: recognize stall warning during base-to-final and execute an immediate go-around; do not attempt recovery at low altitude.
The real accidents cited above occurred at other airports — NOT at KCLW. KCLW's own accident corpus shows FORCED_LANDING (22.2%), LOSS_OF_CONTROL_INFLIGHT (18.5%), and GEAR_UP_LANDING (18.5%) as dominant patterns — but the specific stall/spin events in this scenario are drawn from NTSB cases at other locations. The scenario is localized to KCLW to make the off-field environment real: Runway 16's climb-out (heading 155°) is over dense development, low-density development, and medium development. A stall at 700 ft AGL on the base-to-final turn would result in impact with that developed terrain.
The consistent thread across all these events: the base-to-final turn is a high-risk phase in any airplane, but especially in the SR20. The airplane is slow, low, and in a bank. The stall speed is higher than in slower airplanes (Vs0 = 56 KIAS, but in a 20° bank it rises to 58 KIAS; in a 25° bank, 62 KIAS). The angle-of-attack indicator is the primary stall-warning tool — it shows when you are approaching the critical angle of attack before the stall horn sounds. If the stall horn sounds or the AOA enters the red arc, the correct response is an immediate go-around, not a recovery attempt. And if the stall becomes unrecoverable at low altitude, CAPS is the primary defense — deploy it early, not late.
Key lesson — The base-to-final turn is the highest-risk phase of flight in the pattern. In the SR20, with its higher approach speeds (Vref 80 KIAS, best glide 96 KIAS) and slippery wing, energy management is unforgiving. Monitor airspeed and angle of attack continuously during the turn. If airspeed decays below 90 KIAS or the AOA enters the yellow arc, lower the nose immediately or execute a go-around. If the stall horn sounds, do NOT pull back — lower the nose to reduce angle of attack below the critical value. If the stall becomes unrecoverable at low altitude, deploy CAPS immediately — do not waste time on recovery attempts. The SR20 is not certified for intentional spin recovery by control inputs; CAPS is the answer.
Debrief — teaching points
The base-to-final turn is the highest-risk phase of flight in the pattern.
The airplane is slow, low, and in a bank. The stall speed is higher in a bank than in level flight (in a 20° bank, Vs0 rises from 56 KIAS to about 58 KIAS; in a 25° bank, 62 KIAS). The descent is continuous, and altitude is marginal. Any loss of airspeed or control authority is unrecoverable. The NTSB data shows base-to-final stalls as a recurring accident pattern across all aircraft types. In the SR20, with its higher approach speeds and slippery wing, the risk is even higher. Respect this phase.
The SR20's angle-of-attack indicator is the primary stall-warning tool — use it.
The AOA indicator on the Avidyne glass panel shows when you are approaching the critical angle of attack. Green arc = safe. Yellow arc = caution, approaching critical. Red arc = critical, stall imminent. During the base-to-final turn, keep the AOA in the green arc. If it enters the yellow, lower the nose or execute a go-around. Do not wait for the stall horn — the AOA gives you earlier warning. Scan it as part of your regular instrument scan during the approach.
Vref in the SR20 is 80 KIAS (full flaps) — higher than the Cessna 172 (60 KIAS).
If you trained in a Cessna 172, you are used to approach speeds around 60 KIAS. The SR20 is faster. Vref is 80 KIAS with full flaps. Best glide is 96 KIAS. The SR20's wing is slippery and does not slow down as easily as a Cessna. On the base-to-final turn, maintain 90+ KIAS to stay well above Vref and to have energy for the turn. Do not try to fly the SR20 like a Cessna — it will not slow down, and if you force it slow, you will stall.
If the stall horn sounds on base or final, do NOT pull back — lower the nose immediately.
The instinct to pull back on the yoke when you hear a stall warning is deeply ingrained from slow-flight training. But pulling back increases the angle of attack further — the worst possible response. The correct response is to lower the nose immediately to reduce angle of attack below the critical value. This breaks the stall and increases airspeed. Then, execute a go-around: add full power, lower the nose to maintain airspeed above Vy (96 KIAS), and climb away. The stall is broken; now climb.
An unstable approach is a go-around, not a recovery.
If airspeed is decaying, if the AOA is in the yellow arc, if you are not aligned with the runway, or if you are not comfortable with the approach, execute a go-around. A go-around is not a failure — it is a safety tool. Add full power, lower the nose to maintain airspeed, and climb away. Re-enter the pattern and try again. The cost of a go-around is a few minutes and a bit of fuel. The cost of a stall at low altitude is your life. Choose the go-around.
CAPS is the primary response to an unrecoverable stall or spin at low altitude.
The SR20 is not certified for intentional spin recovery by control inputs. If the stall becomes unrecoverable — if the nose is below the horizon, if the airplane is spinning, if you have lost control — deploy CAPS immediately. The whole-airframe parachute reduces the descent rate from 60+ ft/sec (stall/spin impact) to 15–20 ft/sec (parachute descent). At low altitude, this difference is the difference between fatal and survivable. Deploy CAPS early, not late. The NTSB WPR20LA152 pilot deployed CAPS at 400 ft AGL — too late for the parachute to fully inflate. Deploy it at 600+ ft AGL if possible.
Density altitude affects the SR20 just like any other airplane — but the SR20 is heavier and faster.
KCLW's density altitude on a warm Florida afternoon is roughly 1,500 ft. The SR20 at 2,800 lb gross weight will need more runway to land and will climb more slowly. The approach speeds are the same (Vref 80 KIAS, best glide 96 KIAS), but the airplane is heavier and will not slow down as easily. Plan for a longer landing distance and a shallower climb-out. If the pattern is tight or the runway is short, divert to a longer runway.
Built from the real accident record
Scenario built from NTSB WPR20LA152 (2020 SR20 stall on base-to-final), ERA23FA358 (2023 SR20 spatial disorientation / loss of control), WPR12FA235 (2012 SR20 stall during maneuvering at high DA), and GAA19CA099 (2018 SR20 stall during go-around). Regional precedents: FTW91DRG06 (1991 base-to-final stall), SEA07CA125 (2007 base-to-final stall), ERA12CA019 (2011 stall/spin during pattern turn), ERA10CA300 (2010 stall during climbing turn). Real events occurred at other airports — NOT at KCLW.
NTSB reports: WPR20LA152 · ERA23FA358 · WPR12FA235 · GAA19CA099 · FTW91DRG06 · SEA07CA125 · ERA12CA019 · ERA10CA300
ACS tasks: PA.VII.A — Approach and Landing · PA.VII.B — Go-Around / Rejected Landing · PA.VIII.A — Stall Recognition and Recovery · PA.VIII.B — Spin Awareness · PA.I.H — Human Factors
Relevant FARs: §91.3 · §91.13 · §91.185
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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