Envoy E175 at Washington on Aug 4th 2026, loss of separation with Marine One

Last Update: August 6, 2026 / 16:32:34 GMT/Zulu time

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Incident Facts

Date of incident
Aug 4, 2026

Classification
Incident

Airline
Envoy Air

Flight number
AA-3742

Aircraft Registration
N307LH

Aircraft Type
Embraer ERJ-175

ICAO Type Designator
E175

An Envoy Embraer ERJ-175 on behalf of American Airlines, registration N307LH performing flight AA-3742 from Washington National,DC to Pensacola,FL (USA), was climbing out of National's runway 01.

At the same time Marine One, the US president's helicopter, took off from its base near the White House for a flight causing a loss of separation with the E175.

According to preliminary data the helicopter crew had radioed ATC about their plan to depart about 3 minutes prior to departure, however, the controller did not hear that transmission due to being overlaid by another transmission, and therefore did not stop the traffic at National Airport as needed.

Both aircraft continued to their destinations without further incident.
Aircraft Registration Data
Registration mark
N307LH
Country of Registration
United States
Date of Registration
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Manufacturer
YABORA INDUSTRIA AERONAUTICA S
Aircraft Model / Type
ERJ 170-200 LR
Number of Seats
ICAO Aircraft Type
E175
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Aug 4, 2026

Classification
Incident

Airline
Envoy Air

Flight number
AA-3742

Aircraft Registration
N307LH

Aircraft Type
Embraer ERJ-175

ICAO Type Designator
E175

This article is published under license from Avherald.com. © of text by Avherald.com.
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