Bangkok Airways has applied strict security procedures at Thai departure airports following a bombing in Bangkok that killed at least 21 people Aug. 17.

The carrier has increased baggage and passenger checks to what it called “elevated, very strict security measures” compared to standard levels of inspection.

The security issues are the latest blow for Thailand, as has come under fire recently from both ICAO and FAA for its poor control of safety and security oversight. The country has been added to ICAO’s “black-flag” list of countries to be watched or avoided by carriers, and FAA has given the country a deadline of late October to improve its operational systems or face a possible US-flight ban.

Bangkok Airways DG Puttipong Prasarttong-Osoth said Bangkok Airways is working in cooperation with the Airports Authority of Thailand (AOT) to implement increased security measures at Suvarnabhumi International Airport, Samui Airport, Sukhothai Airport and Trat Airport. AOT also operates Don Mueang, Phuket, Chiang Mai, Hat Yai, Chiang Rai and Suvarnabhumi airports.

Puttipong said Bangkok Airways’ new security measures at AOT and company-owned airports are aimed at building confidence in security on flights. “Bangkok Airways is still [committed to] serving regular routes,” he said.

Last month, AOT dropped newly imposed increased security checks at Don Mueang following public outcry over hours-long waiting times.

The enhanced checks, implemented mid-July, saw a 100% baggage X-ray scan policy at all terminals—something not previously done at the predominantly low-cost carrier hub. But just three days later, the extra checks were dropped to ease complaints generated by the several-hours long queues that had developed.