DCA27LA013

NTSB accident investigation · Bombardier CL-600-2D24 · St. Louis, MO · October 17, 2026

Accident · Serious injuriesClass 4 · LimitedInvestigation open
Date
October 17, 2026, 09:40 local (14:40 UTC)
Place
St. Louis, MO
Injuries
1 serious, 2 uninjured
Damage
No damage
Phase of flight
Initial climb
Aircraft
N574NNBombardier CL-600-2D24
Defining event
Initial climb: Pressure/environ sys malf/fail
Weather
Visual (VMC) · Day
Status
Investigation ongoing
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Major Investigations Division
Parties
FAA
Case key
204032

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Aircraft

Registration
N574NN
Reported as
Bombardier CL-600-2D24
Category
Airplane
Serial number
15365
Built
2015
Damage
No damage
Flight
Part 121
Operator
PSA Airlines
Registered owner
American Airlines Inc
Destination
Philadelphia, PA
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 37 °F
Altimeter
30.57 inHg
Observed at
KSTL
METAR
METAR KSTL 171451Z COR 03005KT 10SM CLR 09/03 A3057 RMK AO2 SLP356 T00890033 51015