North and South Limbawe are in conflict over oil and a despotic General plans to overthrow his own government in South Limbawe and attacks his neighbors to the North. String and Dom are sent by Archangel to aid North Limbawe and it's leader, Seku Logana, but Logana has his own prejudices about receiving aid for his cause. Also in the mix is an old Vietnam buddy of Hawke's, Marty Vidor, who is working as a mercenary for South Limbawe, and Hawke is hesitant to take him on since Vidor just may know the location of the missing Saint John.

Dr. Robert Winchester is a brilliant researcher and a former test pilot who helped design Airwolf. Now, he's asking for Hawke's help in test flying a simulator that he's designed to enable the Firm to train future test pilots to fly Airwolf. Reluctantly, Hawke agrees, but determines that the simulator's "feel" is a little off. Archangel convinces Hawke to let Winchester hook up the real Airwolf to his computers in order to get a more realistic demonstration. This allows Winchester to engage in a little friendly flying competition with Hawke but it also allows the Russians to nearly get their hands on the high tech super copter.

While demonstrating the capabilities of the new prototype supercopter codenamed 'Airwolf', Dr. Charles Moffet goes rogue, steals the chopper and kills almost all of the observers. At least one man -- Michael Coldsmith Briggs III survives. Briggs, codenamed 'Archangel' is the head of a covert organization called 'The Firm' and Archangel calls upon the one man in the world he knows that can retrieve the copter. The problem is Stringfellow Hawke is not only a loner, but a recluse as well. The amount of money the Firm is willing to pay for Airwolf's recovery is irrelevant. Hawke wants just one thing - the safe return of his brother, Saint John, who was captured during the Vietnam war and is evidently a POW.

A movie producer hires Santini Air for a dangerous stunt involving the landing of a helicopter onto the roof of a moving semi. Dom and String nearly come to blows, however, when String tries to convince Dom that his reaction time might not be up to snuff for this particular action sequence. Things get even more dicey when it appears that the production might just be an elaborate cover for a high-stakes gold heist.

In the midst of it's key part in delivering and collecting a leading American scientist to top secret sanctions aimed at cooling international tensions with Russians, Airwolf develops a seeming computer virus in it's systems, which periodically takes pilot control and makes it a potential killing machine in the air. The systems have been taken over buy a ""time-bomb"" left by the chopper's evil creator, Dr. Moffett, who has programmed it to begin the deadly behaviour if not given it a recognition code by him at that time. Hawke and Dominic must decide whether to let the Firm scientists try and work on the machine - risking having them snatching it back away from them - or to find another way to try and cure The Lady before completing their part in the sanctions, knowing that if they fail to completely cure it, they jeopardise not only international relations, but potentially hundreds of lives...

String must bring in a disgruntled former Firm employee who's been denied his retirement benefits.

After an old Vietnam buddy of Hawke's is shot in the desert when trying to escape a corrupt Sheriff, Hawke gets a call from an inmate who had been in jail with the man to aleart him of the escape, and flies with Dominic in Airwolf to Pope County, Texas, to investigate. There, Hawke meets Highway Patrol Deputy Caitlin O'Shannessy, who had a run in with Sheriff Bogard prior to the killing; but Hawke's appearance on the scene sees him arrested by Bogard and released on a private game reserve, where gun-happy sportsmen pay big money to hunt big game – and Hawke is the latest bait...

Dom inherits from the estate of a millionaire whom he had earlier rescued from a plane crash.

A Russian mole discovers that scientists in the U.S.S.R. have developed a lethal serum that instantly kills anyone exposed to it. He steals a vial of the serum and contacts his friend Archangel for help in escaping the country with his family. Archangel dispatches Hawke and Santini for the rescue effort, but Airwolf can't handle that much passenger weight -- unless all her armaments are stripped leaving the supercopter defenseless.

String must add Caitlin to the Airwolf crew, in order to rescue Archangel from behind enemy lines.

String is captured by Latin American revolutionaries while attempting to rescue American archaeological students trapped by a coup.

Hawke meets a mercenary who claims to have information regarding his missing brother. When they part company, Hawke loses consciousness in his helicopter and crashes. When he comes to, he finds himself in a hospital. The medical staff inform him that he has been in a coma for the better part of a year. His friends, Archangel and Dom, were killed on a POW camp raid, but in the process, their heroism helped rescue Hawke's brother Saint John. Believing that his "mission" is over, Hawke reveals the location of Airwolf to his captors, then discovers that it has all been an elaborate ruse and he has inadvertantly turned over the super copter to a group of foreign conspirators.

When new hi-tech attack chopper HX1 is stolen by an elite group of mercenaries, the tactics used fits those that Hawke's MIA brother St. John was trained in, and Hawke is certain that his brother may somehow be involved. Dominic begs him to leave well alone, but Hawke is adamant, and with Archangel insisting that if it cant be retrieved, the Firm will blow HX1 and anyone flying it out of the sky, Hawke goes back into his past and some of the people he knows from it, to desperately try and get a lead on the group and mercenaries and possibly St. John... But the HX1 is so powerful, it may even be able to blow Airwolf out of the sky...

An ambitious executive at the Firm makes a subversive play for Archangel's job. A bomb is planted aboard a vintage helicopter owned by Dominic Santini and he's forced to crash land. When Hawke and Archangel go hunting for Dom, Airwolf is ambushed and shot down. The two must convince a group of locals to help them repair their damaged tail rotor. Complicating matters on Dom's end, he must contend with a stowaway aboard his chopper -- a young girl searching for her dad.

String and Caitlin are sent to a remote Alaskan research station where a deadly Russian bacteria has been let loose.

After being forced down by a volcano eruption, String and Dom discover a mining town being run as a slave colony.

Hawke and Dom must stop a suspected traitor from turning an advanced military fighter over to the Russians in exchange for his son who was born in Vietnam. Things get complicated, though, when Hawke realizes that he was also involved with the boy's mother during roughly the same era as the child's birth.

Caitlin is a passenger on board a plane which Airwolf is sent to search for after the plane is hijacked and forced down at sea.

String receives information that St. John is being held in a POW camp, but by the time a rescue operations put into effect St. John has been moved.

Santini makes an unauthorized flight to Cuba in order to rescue two political prisoners who are being ransomed for $2 million. However, while there, the exchange site is attacked and the ransom money is stolen. While flying back to the mainland, Santini is forced to crash land back on Cuba and Hawke must brave a hurricane in Airwolf to rescue his friend. When String and Dom are reunited, the pair must negotiate with a band of freedom fighters who raised the capital to ransom their compadres and are not convinced of Santini's innocence in the theft of the funds. To make matters more interesting, Archangel is supplying weapons to a paramilitary band that just may have had a hand in stealing the ransom money.

A pilot who escaped from terrorists who stole an experimental aircraft guidance computer leads the Airwolf team to the remote community where the terrorists are holed up.

The Airwolf crew befriend a runaway looking for revenge on the drug runners that murdered his uncle.

Eddie, a friend of Dominic's, was once a pilot until a air crash in which his passengers were killed, causing him to lose his nerve and turn to drink as a result. Living alone in his trailer in the desert, Eddie's alcohol problem has recently become even worse after supposedly seeing lights in the sky in the middle of the night. Though trying to help his friend, Dominic is as skeptical as everyone else, blaming the sightings on Eddie's drunken state, until one night he sees the lights too... The next morning, Hawke arrives to find that the pair of them have vanished, and in searching for them, stumbles upon a fanatical militarist's organization, who is planning to launch his own nuclear missile against Russia...

Santini Air is hired for a 30 day period by agents on behalf of a industrial millionaire, to be on stand-by to pilot the man on an important journey when called upon. Dominic is excited at the prospect of the high-paying job, but Hawke is more sceptical and intends to find out just why they've been given the contract. But unbeknown to any of them, Caitlin's new boyfriend is plotting to assassinate the millionaire; and matters are not helped any by some malfunctions that Airwolf is suffering...

While filming aerial footage, String and Dom accidentally get footage of a mobster believed dead.