; additional provisions. Sec. 333. Unmanned aircraft test ranges. Sec. 334. Sense of Congress regarding unmanned aircraft safety. Sec. 335. UAS privacy review. Sec. 336. Public UAS operations by Tribal governments. Sec. 337. Evaluation of aircraft registration for small unmanned aircraft. Sec. 338. Study on roles of governments relating to low-altitude operation of small unmanned aircraft. Sec. 339. Study on financing of unmanned aircraft services. Sec. 340. Update of FAA comprehensive plan. Sec. 341. Cooperation related to certain counter-UAS technology. Sec. 342. Definitions. Sec. 343. Special rules for model aircraft. Sec. 344. Recreational UAS. Sec. 345. Unmanned aircraft systems integration pilot program. Sec. 346. Enforcement. Sec. 347. Actively tethered public UAS. Sec. 348. Report on possible unmanned aircraft systems operation on spectrum allocated for aviation use. Sec. 349. U.S. Counter-UAS system review of interagency coordination processes. Title IV—Air Service Improvements Subtitle A—Airline Customer Service Improvements Sec. 401. Reliable air service in American Samoa. Sec. 402. Cell phone voice communication ban. Sec. 403. Advisory committee for aviation consumer protection. Sec. 404. Improved notification of insecticide use. Sec. 405. Advertisements and disclosure of fees for passenger air transportation. Sec. 406. Involuntarily bumping passengers after aircraft boarded. Sec. 407. Availability of consumer rights information. Sec. 408. Consumer complaints hotline. Sec. 409. Widespread disruptions. Sec. 410. Involuntarily denied boarding compensation. Sec. 411. Consumer information on actual flight times. Sec. 412. Advisory committee for transparency in air ambulance industry. Sec. 413. Air ambulance complaints. Sec. 414. Passenger rights. Sec. 415. Enhanced training of flight attendants. Sec. 416. Addressing sexual misconduct on flights. Sec. 417. Overbooking policies of air carriers. Sec. 418. Training policies regarding racial, ethnic, and religious nondiscrimination. Sec. 419. Aviation consumer