Hacking is very simple and short and can be patched on any, even a modified version of the ROM.
After defeating the 3rd boss and getting a jet engine (Hover), you can fly indefinitely.
019319:
EA EA EA EA
Database match: Blaster Master (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: ADB89B4923BB34805A39C141BAF227849A27CE41
File CRC32: 52BCF64A
ROM SHA-1: 98845D5716525E68EF7417E6FB55BE30A4C7130D
ROM CRC32: 3F0FD764